Unit Test Review Packet States of Matter and Changes of State REVIEW I. STATES OF MATTER A. Directions: Fill in the blank. 1. All matter is made up of tiny particles called __________. 2. These particles can join together to form ___________. 3. The four states of matter are ___________, _____________, ____________, and ______________. 4. The two things that determine that determine the state of matter of a substance are: 1) __________________________________ and 2) ________________________ B. Directions: Fill in the diagrams and blanks. Particle Diagrams *Draw a diagram of each state of matter. Make sure you indicate the speed of the particles and the amount of attraction (strong, medium, or weak) between particles. 1) Liquid a) Speed of Particles = ______________ b) Amount of Attraction = __________________ 2) Gas a) Speed of Particles = ______________ b) Amount of Attraction = __________________ 3) Solid a) Speed of Particles = ______________ b) Amount of Attraction = __________________ 6 th Grade Science States of Matter – Chemical Reactions Unit Name: _________________________ Date: _________________________ Period:_______________________
Transcript
Unit Test Review Packet
States of Matter and Changes of State REVIEW
I. STATES OF MATTER
A. Directions: Fill in the blank.
1. All matter is made up of tiny particles called __________.
2. These particles can join together to form ___________.
3. The four states of matter are ___________, _____________,
____________, and ______________.
4. The two things that determine that determine the state of matter of a
substance are: 1) __________________________________ and
2) ________________________
B. Directions: Fill in the diagrams and blanks.
Particle Diagrams
*Draw a diagram of each state of matter. Make sure you indicate the speed of the particles and the amount of attraction (strong, medium, or weak) between particles.
1) Liquid
a) Speed of Particles = ______________
b) Amount of Attraction = __________________
2) Gas
a) Speed of Particles = ______________
b) Amount of Attraction = __________________
3) Solid
a) Speed of Particles = ______________
b) Amount of Attraction = __________________
6th Grade Science
States of Matter – Chemical Reactions Unit
Name: _________________________
Date: _________________________
Period:_______________________
C. Directions: Fill in the table.
State of Matter
Shape
Volume
Speed of Particles
Attraction Between Particles
Solid
_____________: particles do not move fast enough to
overcome the attraction between them (particles
vibrate in place)
Liquid
_____________: particles move fast enough to
overcome some of the attraction between them
(particles slide past one another)
Gas
______________:
move fast enough to
overcome nearly all of the attraction between them
(particles move independently of one
another)
The picture below shows a solid floating in a liquid.
Which of the following statements
describes one way that solids are
different from liquids?
A. Solids have weight and liquids
do not.
B. Solids take up space and liquids
do not.
C. Solids have a definite shape and liquids do not.
D. Solids have a definite volume and liquids do not.
Carol poured some water into a 200-milliliter (mL) graduated cylinder. Pictured below are Carol’s graduated cylinder
and four numbered graduated cylinders.
Which numbered graduated cylinder contains the same volume of water as Carol’s graduated cylinder?
A. graduated cylinder 1
B. graduated cylinder 2
C. graduated cylinder 3
D. graduated cylinder 4
D. Answer the following short-answer in complete sentences.
4) How are the particles in a crystalline solid different from the particles in an amorphous solid? Give an example of a
crystalline solid and an example of an amorphous solid. _________________________________________________________________________________________________
5b) Draw a picture showing what would happen to the shape and volume of a solid if you put it in two different
containers. (Your picture should include two different containers, and should show what the shape and volume of the solid would be if it was placed in these two containers.)
6a) Describe what happens to the shape and volume of a LIQUID when you place it in different containers.
6b) Draw a picture showing what would happen to the shape and volume of a LIQUID if you put it in two different
containers. (Your picture should include two different containers, and should show what the shape and volume of the LIQUID would be if it was placed in these two containers.)
7a) Describe what happens to the shape and volume of a GAS when you place it in different containers.
7b) Draw a picture showing what would happen to the shape and volume of a GAS if you put it in two different containers. (Your picture should include two different containers, and should show what the shape and volume of the
GAS would be if it was placed in these two containers.)
II. CHANGES OF STATE
A: Directions: Fill in the blanks.
1. ______________ is needed in order for a substance to change from one state to another.
2. Energy can be in the form of _____________.
3. Fill in the following chart with high or low for each column.
Movement Energy Temperature
Fast
Slow
B. Directions: Answer the following questions about the pictures.
Which picture shows what the particles of water look like during evaporation? _________ Which picture shows what the particles of water look like during boiling? ________
Which picture shows what the particles of water look like as a solid? _________ Which picture shows what the particles of water look like as a liquid? _________
Which picture shows what the particles of water look like as a gas? ________
#1: #2: #3:
#4: #5:
C. Directions: Fill in the blanks on this water cycle diagram.
D. Directions: Answer the following questions.
1. What is the freezing point of water? � 2. What change of state is freezing?
3. What is the melting point of water? � 4. What change of state is melting?
5. What is the boiling point of water? � 6. What change of state is boiling?
7. What is the condensation point of water? � 8. What change of state is condensation?
9. What is the difference between boiling and evaporation?
III. Temperature
A. Directions: Fill in the blanks.
Measurements can be made using two different systems of measurement: the _____________________ system or the ______________________ system.
In Science, we will always use the ______________ system.
We always measure temperature in units called _______________.
B. Directions: Fill in the blanks.
C. Directions: Fill in the correct temperature.
IV. PHYSICAL AND CHEMICAL CHANGES
A. Directions: Fill in the blanks.
A physical change is a change that _____________ cause a new substance to be made.
A chemical change is a change that ____________ cause a new substance to be made.
A. Directions: Label the following as evidence of a physical change (P) or a chemical change (C).
____ The substance changes size or shape. ____ The substance burns.
____ The substance changes temperature on its own.
____ The substances changes to an “unexpected” color. ____ The substance dissolves in a liquid.
____ The substance makes gas bubbles (usually after two substances have combined). ____ The substance changes from one state to another.
____ A funny smell is give off.
B. Directions: Write whether each of these changes is a chemical or physical change. Explain why you
chose your answer in COMPLETE SENTENCES.
1. Toasting a marshmallow: _________________________________________________________________________________________________
2. What is the equation used to calculate density?
= divided by
3. The rectangle below represents a bus. Draw some people inside of the rectangle to show bus with a VERY HIGH
density of passengers. (Stick people are fine!!)
4. Two different bars of soap are being investigated by a group of students. They measured the mass and volume of
each bar and recorded the results in the table below.
Soap Mass (g) Volume (cm3)
A 110 100
B 95 100
Density of water = 1.0 g/cm3
a. Calculate the density of each bar of soap. Show your work. b. The diagram below represents a container of water. Draw and label the positions that soap bar A and soap bar
B would occupy if they were placed in this container.
c. Explain why you drew each bar of soap in the position selected.
5. A solid cube was put into a cylinder containing four liquids with different densities as shown below.
The cube fell quickly through layer A, fell slowly through layer B, and stopped upon reaching layer C.
The density of the cube most likely lies between
A. 1.00 and 1.50 g/cm3.
B. 1.51 and 3.50 g/cm3.
C. 3.51 and 6.00 g/cm3.
D. 6.00 and 9.00 g/cm3.
VI. Law of Conservation of Mass
A. Directions: Fill in the blanks.
When I have a ___________ container, I will observe the law of conservation of mass.
When I have an ________________ container, I will NOT observe the law of conservation of mass.
B. Directions: Answer the following question in a complete sentence.
1. What do you think would happen if Mr. Ridler placed the dry ice in an OPEN container and took the mass before
AND after the dry ice had sublimated? Would the mass increase, decrease or stay the same? Why?
The diagram below shows a balance being used to measure a burning candle in a sealed glass ball before and after the
burning is complete.
Before After
As the candle burns, the size of the candle decreases, but the reading on the balance does not change. Which of the following is demonstrated by this experiment?
A. The total mass of the system is constant.
B. Energy is converted to mass when the candle is burned.
C. Smoke particles have more mass than molecules of candle wax.
D. Kinetic energy is converted to potential energy when the candle is burned.
