Post on 03-Apr-2022
transcript
Physical Changes Chemical Changes
Cracking an egg Cooking an egg
Fireworks exploding Ice Cube melting
Slicing bread Toasting bread
Bending a nail Nails rusting
Milk turning sour Lighting a match
Boiling water Roasting a marshmallow
Making lemonade Baking bread
Burning wood Chopping wood
Breaking glass Mixing sugar into tea
Chewing food Digesting food
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Chemical and Physical Changes
Name: _____________________ Date: ______________________
Objective: I CAN differentiate between chemical and physical changes.
Background Knowledge:
Matter can be changed in multiple ways.
Physical Changes Chemical Changes
Definition:
Examples:
Drawing:
Definition:
Examples:
Drawing:
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Group Practice DIRECTIONS: Gather your activity cards. Place the titles “Chemical Changes” and “Physical Change” at two different locations on your desk or table. With your group, read each card and discuss if it should be a physical change or chemical change and sort it under the correct title. Do not write your answers onto your sheet yet. As a group, write down the answers in the chart below.
Physical Changes Chemical Changes
www.julicannonscience.com ã Julia Cannon 2015
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Practice DIRECTIONS: Complete the following questions in full sentences. 1. What is the difference between a physical and chemical change?
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2. Which is an example of a chemical change that occurs in the home?
a) Boiling water
b) Burning wood
c) Melting an ice cube
d) Dissolving sugar in water
Explain your answer:
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3. Which is a physical change?
a) Burning
b) Cutting
c) Rotting
d) Rusting
Explain your answer:
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www.julicannonscience.com ã Julia Cannon 2015
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Show What You Learned Today!
1. _________________Glass Breaking
2. _________________Squeezing a piece of clay into a new shape
3. _________________A nail rusts when left outside
4. _________________Melting butter into liquid
5. _________________Mixing kool-aid mix and water
6. _________________Rotting food
7. _________________A copper penny turns green
8. _________________ Ice cream melts
9. _________________A lion digests meat
10. _________________Squeezing juice out of oranges
11. _________________Burning garbage
12. _________________Mixing salt and water
13. _________________Baking a cake
14. _________________ Crushing a soda can
I CAN differentiate between chemical and physical changes. J
Name: _____________________ Date: ______________________
www.julicannonscience.com ã Julia Cannon 2015