Physical vs Chemical
Changes States of Water
Heat Energy
Experiment
100

Melting Ice Cube

Physical Change
100

Solid to Liquid is called

Melting

100
When heat is added to ice  then it will  ____________.

Melt or become a liquid

100

When you mix BAKING SODA and VINEGAR ... what happens? 

Chemical Reaction

A gas is released

It can blow up a balloon

Fizz/Bubble 


200

Fireworks Exploding

Chemical Change

200

Liquid to Gas is called

evaporation 

200
When heat energy is taken away from a gas then it will __________ . 

Condense or become a liquid

200

salt + water weighed separately will weigh

LESS than        MORE than       SAME as

when mixed together

SAME as

300

Rust on a Car Door

Chemical Change

300

Liquid to Solid is called

Freezing

300

When heat energy is taken from a liquid then it will _________

Freeze or become solid

300
Salt Water and Sand Water are both examples of what kind of change?

Physical Change

400

Name 3 Physical Changes

(that haven't been listed)

 ---

400

The process of changing water vapor to liquid water is called ...

Condensation

400

When water becomes ice ... 


a. HEAT energy is being ADDED to the water

b. HEAT energy is being TAKEN from the water

b. heat energy is being taken from the water

400

What is a sign that a chemical reaction occurred (think how you tested if something is an acid)?

1. Fizz/Bubble

2. Curdle

3. Slime/Gooey

4. Color Change

500

Name 3 Chemical Changes

(that haven't been listed)

 ...

500
The process liquid water to water vapor is called ... 

Evaporation

500

What happens during evaporation ....

a. a solid takes in heat energy (to be a liquid)

b. a liquid gives off heat energy (to make a gas)

c. there is no change

d a liquid takes in heat energy (to make a solid)

b. a liquid gives off heat energy

500

Explain the 3 parts of Chemistry in a Bag

Pt 1 = Red/Pink & Cold


Pt 2 = Orange & Hot

Pt 3 = Color change - Yellow & Gas filled Bag