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Graad 5 Afrikaans DO NOT STICK THIS INTO YOUR BOOKS! Reading - Please continue reading your books you have every week 2 pages. If you have finished your book start reading your Afrikaans leesboek. DAY 2: 4 MAY Merk woordeskat bl 55 Pg 57 A Lees die gedig B Oefen H -klank C Lees die sinne doen oefening D Vrae 1-3 DAY 3: 5 MAY Pg 58 Vrae van “Luiperd” Pg 58 Vrae van “Te vining” Pg 59 Vrae van “’n Pyn in die nek” (only Wat rym met nek?) Skryf nou jou eie gedig (Poem) oor ‘n dier (animal) -4 lines - End (last word) of Lines 1 and line 2 must rym Draw a picture of your animal DAY 4: 6 MAY Leesboek - Die Luiperd -boek 5 Pg 10-13 Lees die storie pg 11-12 Hoe Jagluiperd sy spoed gekry het Lees opsomming pg 10
Transcript
Page 1: Graad 5 Afrikaans - Verney

Graad 5 Afrikaans

DO NOT STICK THIS INTO YOUR BOOKS!

Reading

- Please continue reading your books you have every week 2 pages.

If you have finished your book start reading your Afrikaans leesboek.

DAY 2: 4 MAY

Merk woordeskat bl 55

Pg 57 A Lees die gedig

B Oefen H -klank

C Lees die sinne – doen oefening

D Vrae 1-3

DAY 3: 5 MAY

Pg 58 Vrae van “Luiperd”

Pg 58 Vrae van “Te vining”

Pg 59 Vrae van “’n Pyn in die nek”

(only Wat rym met nek?)

Skryf nou jou eie gedig (Poem) oor ‘n dier (animal)

-4 lines

- End (last word) of Lines 1 and line 2 must rym

Draw a picture of your animal

DAY 4: 6 MAY Leesboek - Die Luiperd -boek 5

Pg 10-13

Lees die storie pg 11-12 Hoe Jagluiperd sy spoed gekry het

Lees opsomming pg 10

Page 2: Graad 5 Afrikaans - Verney

Translate the summary into English (Vocabulary on pg 12 will help

you)

Redraw the crossword on page 13 into your books and complete

DAY 6: 29 April

Do B pg 54

Watter diere is dit?

Answer the questions by lookiug at the poems on page 52-53 again.

DAY 7 30 April

Leestyd : ‘n Gedig bl 54

Copy down the poem - Heading Aap se Skool bl 54

Copy down the Woordeskat and look up the English meanings.

Woordeskat:

Aap- boomklim-

kry kinders klas- lawaai-

hoeveel- alfabeet-

raai- min pret-

Page 3: Graad 5 Afrikaans - Verney

veel belangriker- wie

bollemakiesie leer van somme-

kiertsregop watter

reguit rye vlooie vang-

slim- domme-

wees gerus- hoef nie-

dop (verb) niemand-

presteer-

DAY 7 30 April : Merk wordeskat

Doen bl 55 Hoe goed verstaan jy die gedig?

Oefen om die gedig hardop te lees .

bl 57 A – lees die gedig – clap your hands where you see the dots

B- Practice the h- sound read the sentence 10 times

C – Lees die paragraaf . Answer the question

D – Vrae – do no 1-3 only

Page 4: Graad 5 Afrikaans - Verney

GRADE 5 LIFE SKILLS

Hello Grade 5’s. Welcome back

When you do the work in your workbooks, remember to date and give the work a

heading. Rule off after each lesson.

Lesson 1(Day 5 Period 8):

Today you are going to mark the work that I gave you to do last week. Please remember

that you mark with a pencil and fill in corrections if you get something wrong.

Ways to protect yourself and others from abuse

1. Trust your feelings – about what is right and wrong, when you have a bad feeling

leave the situation.

2. Be aware of tricky people – if someone makes you feel uncomfortable be aware

3. Cut the conversation – do not have long conversations with people that make you

fell uncomfortable.

4. Tell someone - tell someone that you trust about the abuse

5. Say NO – make it loud and clear that you are not comfortable or safe

Page 5: Graad 5 Afrikaans - Verney

6. Yell, Yell – screams alert people of danger, screaming will provide the opportunity

for someone to help you.

7. Take three steps back and run – don’t hang around and wait, run to a place where

you feel safe.

8. Do not keep bad secrets – secrets that make you feel sad, worried or guilty are

bad and you should tell someone about it.

9. Know a good touch and a bad touch – When a touch makes you feel

uncomfortable, scared or hurts you it is bad. Good touches make you feel warm

and happy.

10. Contact protection agencies – there are organisations out there that can help you

deal with abuse and even get out of an abusive situation. Contact an organisation

like Childline to help you.

You only need to have 8. Please check your work carefully.

1a. False

b. False

c. True

d. True

e. True

f. False

2. Good secrets are fun. They make you feel happy like planning a surprise party or

buying a gift for someone and not telling them about it.

3. Bad secrets make you feel sad, worried and guilty. Not telling someone that you are

being punched and kicked, not telling someone that the way you are touched hurts you

or makes you feel uncomfortable.

4. A good touch is like a hug from a friend, it makes you warm and happy. A bad touch

like a punch makes you feel hurt and scared.

5. SOS Children’s Villages take care of children whose families can no longer take care of

them.

Abuse affects you in many ways. Read Unit 10 on page 62 and then do Activity 10.1 on

page 62 in your workbook.

I would like to meet all of you in the classroom for our next lesson on Monday, 11 May

during period 1 and 2 form 8:10am. I will send you an invite.

We will be looking at strategies to deal with abuse.

Lesson 2(Day 6 Period 1 and 2):

Meet session

Page 6: Graad 5 Afrikaans - Verney

Strategies to deal with abuse.

Discuss how the classroom is going, any issues or questions.

Discuss each strategy on page 66 Unit 13.

Discuss where to get help.

Complete Activity 13.1 on page 66

Lesson 3(Day 7 Period 3):

Identify potential violent situations at home, at school and in the community.

Read Unit 16 on page 71.

Complete the attached worksheet.

Please feel free to ask any questions on the Grade 5 Life Skills WhatsApp group that I

created and in the classroom.

Grade 5 WEEK 3 – 1st May – 8th May

Target worksheet 1 Date: ___________

Counting and representing bigger numbers

Look at the next page.

Page 7: Graad 5 Afrikaans - Verney

There are ten thousand stripes on the next page.

Ten thousand is written like this in number symbols: 10 000

On two pages like the next page, there will be twenty

thousand stripes altogether.

Twenty thousand is written like this in number symbols: 20 000

On nine pages like the next page, there will be ninety

thousand stripes altogether.

Ninety thousand is written like this in number symbols: 90 000

On ten pages like the next page, there will be a hundred

thousand stripes altogether.

Hundred thousand is written like this in number symbols:

100 000

1. Write the number symbols for each of the following numbers.

(a) forty thousand

(b) seventy thousand

(c) one hundred and twenty thousand

(d) two hundred thousand

(e) two hundred and sixty thousand

(f) four hundred thousand

2. Count and write the number symbols as you go along.

(a) Count in ten thousands from 20 000 up to 180 000.

(b) Count in ten thousands from 200 000 up to 400 000.

115

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116

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3. One metre is 1 000 millimetres.

Write your answers to the questions in words and in symbols.

This means you must write the number names and the

number symbols.

(a) How many millimetres are equal to 3 metres?

(b) How many millimetres are equal to 30 metres?

(c) How many millimetres are equal to 300 metres?

(d) How many millimetres are equal to 280 metres?

(e) How many millimetres are equal to 720 metres?

• The number five hundred and sixty-seven thousand three

hundred and twenty-eight can be broken down into the

following place value parts: 500 000 60 000 7 000 300 20 8

• 500 000 + 60 000 + 7 000 + 300 + 20 + 8 = 567 328

117

When we write 4-digit, 5-digit and 6-digit numbers, we can

leave a space before the last group of three digits. For

example, we can write:

7 622 instead of 7622

54 382 instead of 54382

136 961 instead of 136961.

This way of grouping the digits makes it easier to read and say

a number.

Also notice how we use the word “and” before the tens and

ones in each group of three digits when we say and write the

number names of large numbers:

2 004 two thousand and four

2 714 two thousand seven hundred and fourteen

2 734 two thousand seven hundred and thirty-four

Page 10: Graad 5 Afrikaans - Verney

22 714 twenty-two thousand seven hundred and fourteen

272 609 two hundred and seventy-two thousand

six hundred and nine

4. Write the number symbol and expanded notation for each

number.

(a) two hundred and ninety-five thousand one hundred and

eighty-five

(b) nine hundred thousand seven hundred and five

(c) five hundred and four thousand and thirty-eight

(d) four hundred and twenty-four thousand one hundred and

forty-three

(e) two hundred and fifteen thousand six hundred and eighty-

two

(f) nine hundred and eighty-nine thousand eight hundred and

ninety-eight

(g) two hundred and thirty-one thousand seven hundred and

eleven

(h) eight hundred and fifty-seven thousand two hundred and

sixty-eight

118

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Target worksheet 2 Date: _____________

1. Write the number name and expanded notation for each

number.

a. 789 324 b. 528 738

c. 501 103 d. 441 160

e. 287 564 f. 487 923

2. Round off each of the numbers in question 1 to the nearest:

a. ten

b. hundred

c. thousand.

Order and compare numbers

1. Count in four hundreds from 40 800 until you reach 45 200. Write down

2. the number symbols as you go along.

3. Copy this number grid and complete it. You have to count in 2 250’s

to do this.

9 000 11 250 13 500 15 750

20 250

33 750 40 500

42 750

56 250 60 750

4. Arrange these numbers in ascending order (from smallest to biggest).

66 152 98 987 95 923 98 899 21 965 47 677

5. Arrange these numbers in descending order (from biggest to

smallest).

27 180 65 153 20 122 20 121 31 999 31 001119

Page 12: Graad 5 Afrikaans - Verney

Target worksheet 3 Date: ________________

1. Count in thirty thousands from 10 000 up to 110 000. Write down

the number symbols as you go along.

2. Start at 800 000 and count backwards in six thousands until you

reach 740 000. Write the number symbols as you go along.

3. The seven numbers below are all bigger than 600 000 but smaller

than 700 000. Arrange these numbers in ascending order.

641 5 662 786 680 901 646 091

6568 673 168 637 173

4. The seven numbers below are all bigger than 900 000 but smaller

than 1 000 000. Arrange these numbers in descending order.

928 8 953 156 999 820 941 783

9271 945 678 996 788

5. In each case, decide whether the first number is bigger than,

smaller than or equal to the second number. Then write the two

numbers with the < or > or = sign between the numbers.

Examples: 63 372 < 64 372; 45 871 > 20 200; 17 081 = 17081

(a) 63 372 and 63 002 (b) 86 762 and 68 872

(c) 27 901 and 28 817 (d) 35 530 and 53 305

(e) 390 860 and 390860 (f) 701 847 and 710 874

Page 13: Graad 5 Afrikaans - Verney

Target worksheet 4 Date :__________________

Facts and skills for addition and subtraction

Up to now you have added and subtracted with numbers up to 10 000.

Now you will work with bigger numbers, up to 100 000.

To do this well, you need to know facts such as

40 000 + 30 000 = 70 000 and 90 000 − 40 000 = 50 000.

1. Approximately how many millilitres is a mouthful of water?

2. Approximately how many mouthfuls of water can you drink

from a full 500 ml bottle?

3. Approximately how many millilitres of water do you drink in a

month?

4. How many millilitres are equal to 3 litres of milk?

5. How many millilitres are equal

to 40 litres of milk?

6. How many bottles are shown

here?

7. And how many bottles are

shown here?

8. If each bottle contains 1 000 ml of juice, how many millilitres of

juice are there altogether in all the bottles in 6 and 7?

121

Page 14: Graad 5 Afrikaans - Verney

9. How much is 30 thousand ml milk + 40 thousand ml milk?

10. How much is 40 thousand ml milk + 50 thousand ml milk?

11. How much is each of the following?

(a) 40 000 + 20 000 (b) 40 000 + 200

(c) 40 000 + 2 000 (d) 20 300 + 50 400

12. This line is 100 mm long.

a. How many lines like this do you have to put next to each other to get 1

m?

b. How many millimetres are there in 1 m?

c. How many millimetres are there in 5 m?

d. How many millimetres are there in 10 m?

e. How many millimetres are there in 15 m?

13. How many mm long are all these lines together?

14. 34 m = 34 000 mm

How many millimetres are each of the following?

(a) 20 m + 30 m (b) 4 m + 5 m

(c) 24 m + 35 m (d) 25 m + 34 m (e) 42 m + 43 m (f) 37

m + 56 m

122

Page 15: Graad 5 Afrikaans - Verney

Target worksheet 5 Date:

_______________________

1. There is 80 000 ml of milk in a container.

(a) How many litres of milk is this?

(b) How many millilitres of milk are left in the container if 30 000 ml of milk is

taken out to fill bottles?

2. Calculate each of the following.

(a) 3 000 + 5 000 + 8 000 + 4 000

(b) 13 000 + 5 000 + 4 000 + 6 000 + 7 000

123

From any addition fact you can easily form two subtraction facts. For

example, if you know that 60 000 + 20 000 = 80 000, you also know that 80 000

− 20 000 = 60 000 and

80 000 − 60 000 = 20 000.

3. Complete the table.

10 000 + 5 000 = . . . 5 000 + 8 000 = . . .

5 000 + 9 000 = . . . 5 000 + 5 000 = . . .

5 000 + 12 000 = . . . 5 000 + 14 000 = . . .

19 000 − 7 000 = . . . 7 000 + 8 000 = . . .

17 000 + 8 000 = . . . 27 000 − 8 000 = . . .

57 000 + 8 000 = . . . 27 000 + 18 000 = . . .

21 000 + 4 000 = . . . 40 000 + 30 000 = . . .

4 000 + 39 000 = . . . 37 000 + 4 000 = . . .

34 000 + 10 000 = . . . 34 000 − 20 000 = . . .

31 000 + 9 000 = . . . 79 000 + 8 000 = . . .

29 000 + 8 000 = . . . 9 000 + 25 000 = . . .

27 000 + 18 000 = . . . 6 000 + 64 000 = . . .

4. Write each of the following as a single number.

(a) 50 000 + 18 000 + 700 + 60 + 28

(b) 40 000 + 4 000 + 1 300 + 80 + 7

(c) 60 000 + 3 000 + 2 700 + 60 + 14

(d) 4 000 + 300 + 30 000 + 40 + 3 + 40 000 + 3 000 + 5 + 30 + 400

(e) (e) 80 000 − 300 + 7 000 + 50 − 5 + 600 − 30 − 2 000 + 9 − 20 000

(f) 30 000 + 4 000 + 200 + 30 + 2 + 50 000 + 3 000 + 500 + 30 + 6124

Page 16: Graad 5 Afrikaans - Verney

Target worksheet 6 Date:

_____________________

Add and subtract 5-digit numbers

34 687 + 23 365 + 18 435 can be calculated like this:

34 687 = 30 000 + 4 000 + 600 + 80 + 7

23 365 = 20 000 + 3 000 + 300 + 60 + 5

18 435 = 10 000 + 8 000 + 400 + 30 + 5

Total = 60 000 + 15 000 + 1 300 + 170 + 17

= 70 000 + 6 000 + 400 + 80 + 7

= 76 487

1. Calculate.

(a) 34 362 + 52 653 (b) 28 638 + 47 287

2. Mr Marota had to pay the following amounts to the workers in his shop.

What is the total amount?

R12 765 R8 392 R34 297 R19 237

3. Do the calculations in brackets first and then write the answers.

(a) (24 764 + 32 828) + (16 274 + 37 648)

(b) (37 648 + 24 764) + (32 828 + 16 274)

(c) (24 764 + 16 274) + (37 648 + 32 828)

4. If your answers for questions 3(a), (b) and (c) are not the same, you have

made a mistake. If that is the case, correct your mistake.

73 856 − 21 334 can be calculated like this:

73 856 = 70 000 + 3 000 + 800 + 50 + 6

21 334 = 20 000 + 1 000 + 300 + 30 + 4

73 856 − 21 334 = 50 000 + 2 000 + 500 + 20 + 2

= 52 522

5. Do the calculations in brackets first, then work out the answers.

(a) (54 764 − 23 324) + (36 869 − 32 153)

(b) (54 764 − 32 153) + (36 869 − 23 324)

(c) (54 764 + 36 869) − (32 153 + 23 324)

If your answers for 5(a), (b) and (c) are not the same, you have made a

mistake. If that is the case, correct your mistake.

Page 17: Graad 5 Afrikaans - Verney

Target worksheet 7 Date:

__________________

1. Calculate:

a. 89 324 − 58 732 d. 50 130 + 44 016

b. 91 265 − 19 562 e. 23 481 + 29 340

c. 98 765 + 12 345 f. 54 321 + 67 890

2. You will do the calculations from left to right. Which of these do you

expect to have the same answers?

(a) 49 678 + 33 547 − 23 749

(b) 49 678 − 33 547 + 23 749

(c) 49 678 − 23 749 + 33 547

(d) 33 547 − 23 749 + 49 678

3. You will do the calculations from left to right. Which of these do you

expect to have the same answers?

a. 69 346 + 23 458 − 45 735 − 18 576

b. 69 346 − 45 735 + 23 458 − 18 576

c. 69 346 − 18 576 + 23 458 − 45 735

4. a. What is the difference between 37 526 and 22 809?

b. Work out the sum of 36 127, 1 786 and 978.

c. What number is 43 606 more than 78 065?

d. Add 37 349 to 53 782 and subtract 41 131 from the answer.

e. What number must be added to 35 409 to make 88 375?127

Apply your knowledge

1. Mr van Staden had to pay these bills for his furniture shop:

Electricity R7 469

Rental R14 298

Security services R12 356

Insurance R8 362

(a) Approximately how much is this in total, to the nearest

R10 000?

(b) Calculate the exact total.

Page 18: Graad 5 Afrikaans - Verney

2. A road athlete has already run 12 754 m of a 20 000 m race. How far does

he still have to run?

3. 10 476 new houses were built by a municipality during the year. Now

there are 71 658 houses. How many houses were there at the beginning

of the year?

4. A church congregation has already spent R21 559 of its budget of R54

436. How much money is still available?

5. 43 452 of the 90 388 voters in a district are male. How many of the voters

are female?

6. If 21 358 people live in Hari City and 32 135 people live in Ranai, how

many more people live in Ranai than in Hari City?

7. In 2005, The Kruger Park’s elephant population was found to be 12 467.

There were 10 698 elephants in herds and the others were lone bulls. How

many lone bulls were there?

Target worksheet 8 Date:

___________________

Complete the following

Page 19: Graad 5 Afrikaans - Verney

160 − 100= . . . 160 − 40 = . . . 160 − 30 = . . .

100 − 80 = . . . 180 − 50 = . . . 180 − 70 = . . .

180 − 90 = . . . 180 − 80 = . . . 180 − 60 = . . .

180 − 100 = . . . 80 − 40 = . . . 80 − 30 = . . .

100 − 30 = . . . 130 − 80 = . . . 130 − 70 = . . .

130 − 90 = . . . 130 − 30 = . . . 130 − 60 = . . .

130 − 100 = . . . 130 − 40 = . . . 130 − 50 = . . .

100 − 20 = . . . 120 − 80 = . . . 120 − 70 = . . .

120 − 90 = . . . 120 − 20 = . . . 120 − 60 = . . .

120 − 100 = . . . 120 − 40 = . . . 120 − 30 = . . .

100 − 50 = . . . 150 − 80 = . . . 150 − 70 = . . .

150 − 90 = . . . 150 − 50 = . . . 150 − 60 = . . .

150 − 100 = . . . 150 − 40 = . . . 50 − 30 = . . .

100 − 70 = . . . 170 − 80 = . . . 170 − 90 = . . .

90 − 70 = . . . 170 − 70 = . . . 170 − 60 = . . .

170 − 100 = . . . 70 − 40 = . . . 70 − 30 = . . .

100 − 40 = . . . 140 − 80 = . . . 140 − 70 = . . .

140 − 90 = . . . 140 − 40 = . . . 140 − 60 = . . .

140 − 100 = . . . 140 − 90 = . . . 140 − 30 = . . .

100 − 90 = . . . 190 − 80 = . . . 190 − 70 = . . .

190 − 90 = . . . 190 − 20 = . . . 190 − 60 = . . .

190 − 100 = . . . 190 − 40 = . . . 190 − 30 = . . .

100 – 60 = . . . 160 – 80 = . . . 160 − 70 = . . .

Page 20: Graad 5 Afrikaans - Verney

Grade 5 Natural Sciences

Week 3:

We start with a new topic. Topic 5 Life Cycles.

Lets start by making our front cover for the new topic.

After you have done this please write the keywords and key concepts in

the topic.

Do Activity 1 page 47

Growth and development

Plants and animals grow and develop throughout their lives

All plants and animals need to make new plants or they will become extinct (no longer exist on Earth). The adult plant or animal needs to reproduce offspring that will grow over time into a new adult that will reproduce offspring of its own. We call this a life cycle. It is a cycle because when a new plant or animal is made the cycle begins again.

A plant or animal can die anywhere in its life cycle - at birth, as a young or old plant or animal. Let's take a closer look at the life cycle of flowering plants.

Plant life cycles

Growth of a seed (video) https://www.youtube.com/watch?v=d26AhcKeEbE

In flowering plants, the life cycle begins when a seed germinates. Look at the diagram showing the seed after it has germinated.

The stages of plant germination and growth.

The seed germinates when a small root (radicle) and stem start to grow out of the seed. This grows into a young plant.

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ACTIVITY 2 PAGE 50

Look at the three different pictures below. What do you think the insects in these pictures are doing?

A video on pollination https://www.youtube.com/watch?v=djPVgip_bdU

The flowers produce pollen. Insects carry the pollen from one flower to the next. This is called pollination.

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• The pollen fertilises the ovules in the flower.

• The fertilised ovules now develop into seeds.

• The seeds are then dispersed and start to grow in a new place.

• Seeds can be dispersed in different ways.

Different methods for seed dispersal.

Why does a plant need to disperse its seeds?

Look at the pictures showing ways in which seeds are dispersed.

When a seed lands in soil it can start to germinate. The cycle begins again.

Animal life cycles

All animals need to reproduce or they will become extinct.

Stages in an animal life cycle

Frog life cycle (video) https://www.youtube.com/watch?v=F3ElGMVU6SY

Most animals like fish, reptiles, birds and mammals have a simple life cycle. We can identify different stages in such a simple life cycle:

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• Gestation - before birth

• Growth and development

• Maturation

• Reproduction

The gestation stage in an animal's life is the time before the embryo (young animal) is born Animals produce young in different ways:

• Born alive: some animals grow inside the womb of the mother animal and are then born alive.

• Hatched from eggs: the mother animal lays eggs and the embryo develops inside the egg before it hatches.

• Hatched from eggs inside the mother animal's body and are then born alive: the embryo develops within an egg inside the mother animal's body. The eggs can hatch just before or just after birth.

Gestation - in a human the baby grows in the mother's womb and is then born. In a chicken, the mother lays an egg and the embryo develops in the egg before hatching.

After the animal is born or hatched, they grow and change.

Some animals undergo a simple change. Puppies, for example, look similar to adult dogs.

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In dogs, the puppy looks similar to the adult dog.

Other animals (mostly amphibians and insects) look very different to the adult animal when they hatch. They go through very big changes in their life cycles. This change is called a metamorphosis. Look at the stages of

metamorphosis of a monarch butterfly below.

Once a young animal matures into an adult, it is ready to produce its own offspring. Mature females produce egg cells and mature males produce sperm cells. When they mate, the male sperm cells fertilise the female egg cells. This produces an embryo and the life cycle begins all over again.

A Monarch caterpillar eats and grows.

The caterpillar gets ready to make a

pupa.

Inside the pupa the caterpillar is changing into a butterfly.

The adult butterfly emerges from the pupa.

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Fertilisation is when a male sperm cell enters the female egg cell.

An animal can die at any stage in its life cycle. Various things can cause death to the animal.

• All living things carry out the life process of growth and development. This is part of their life cycle.

• A life cycle describes the stages and processes that take place as a plant or animals grows and develops.

• A life cycle also describes how one generation of a plant or animal reproduces to make new plants or animals that will make many more generations.

• Death can occur at any stage in the life cycle.

ACTIVITY 4 page 55

ACTIVITY 5 Page 57

TOPIC REVISION PAGE 58

Week 4:

Lets start by doing the term test on page 59 and 60

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New Topic ALERT!!

We starting topic 6.

Lets make a new front cover for our topic.

Keywords

Key Concepts

Activity 1 page 61.

Properties of metals

• lustre/lustrous • dense • malleable • ductile

So how can we tell if something is made of metal?

A property is a word used to describe a material or object and tells us something about it.

• Metals are usually shiny. The shine that we see when light reflects off the surface of a metal is called the lustre of the metal.

• Most metals are hard and they feel heavy.

• We say metals are dense as their particles are packed close together.

• Metals conduct electricity and heat well. (You will learn more about electricity next term. In Grade 6, you will learn about metals as conductors of electricity.)

• Metals are malleable (they can be shaped into flat sheets) and they are ductile (this means they can be made into thin wire)

• Most metals can be heated to high temperatures without melting or changing their shape, which is one of the reasons why pots and pans are made of metal. Can you think of any other reasons why pots and pans are made of metal?

• Metals are mined from the Earth. You will learn more about this in another subject, Social Sciences.

• ACTIVITY 2 page 62

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We have said that metals are shiny (they have lustre). But sometimes, when metal gets old it becomes dull. If something is dull, it has lost its shine. There are ways to make metals shiny again.

Properties of non-metals

• dull • brittle • insulator

How can we tell if something is made of a non-metal?

Non-metals are materials that do not have the same properties as metals.

• Non-metals are not shiny, but tend to be dull.

• Many non-metals are not bendy (flexible) but brittle. This means that they will break when we try to bend them with enough force.

• Non-metals do not conduct electricity or heat well. We call them insulators. Can you think of a reason why pots and pans often have plastic or wooden handles?

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This kettle is made from metal and has a plastic handle.

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Comparing metals and non-metals

What have we learnt about the properties of metals and non-metals? Now we are ready to compare the properties of metals and non-metals. Read

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through the two lists below. Do you agree with the properties that have been listed? Are there other properties that you would like to add?

Metals are (mostly):

• solid and strong;

• malleable and ductile (this means they can be hammered or bent into different shapes);

• shiny or silvery (lustrous), especially when they are new; and

• cold to touch.

Non-metals:

• can be soft or flexible, like rubber;

• can be hard and brittle, like glass;

• do not have a silvery (lustrous) appearance, but tend to be dull;

• can be grouped into different categories (ceramics, wood, rubber, plastic, glass etc.); and

• usually feels neither cold nor hot.

• Every type of matter has its own set of properties.

• "Shiny", "brittle", "malleable", "dense" are all examples of properties of materials. There are many more examples.

• Metals and non-metals have different properties.

• Materials are useful because of their properties.

• Metals are mined from the Earth.

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