Vocabulary
Physical Change
Chemical Change
Chemical or Physical Change
True or False
100
Anything that has mass (weight) and takes up space.
What is MATTER?
100

Is a melted popsicle an example of a physical change? 

Explain why? 

What is YES? You can melt and refreeze a popsicle and it will still be a popsicle.

100

Give an example of a chemical change. 

What is a cake, because you cannot turn a cake back into the eggs, flour, sugar, etc. that you mixed together? I will take any other ideas of a chemical change

100

Crumpling a piece of paper

What is physical 

100

Seeing bubbles is a clue that a chemical change has occurred? 

What is True

200
These are the characterstics of an object and you use your senses to identify them.
What are PHYSICAL PROPERTIES?
200

Is Alka-Seltzer and water an example of a physical or chemical change? Explain why

What is Chemical Change? When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.

200
Name the two indicators of a chemical change.
What are color change, bubbles, temperature change?
200

Cooking Pancakes 

What is chemical change
200

Grinding, Cutting, Crushing, Bending, Breaking are all ways that you can cause a chemical change 

False 

300
Type of change where a new substance is created.
What is a CHEMICAL CHANGE?
300

What are some examples (clues) that a physical change has occurred?

What is a change in size, shape or phase. 

300

Give 2 examples (clues) that a chemical change has occurred. 

What is Burning, Rusting, Tarnishing, etc. 

300

Melting Ice 

What is physical change 

300

You can reverse a chemical change 

False

400

When a chemical change occurs, energy is either __________ or _________. 

What is released or absorbed.

400
Explain how water could be an example of a physical change.
What is freezing and melting water to and from ice is an example of a physical change?
400

Is rust an example of a chemical change? Explain why? 

What is YES? You cannot change rust back into the metal is was before; therefore, it is a chemical change.

400

Paper towel absorbs water 

What is physical change 

400

A chemical reaction that absorbs energy in the form of heat is called endothermic

What is true

500

A chemical reaction that releases energy in the form of heat is called

What is a Exothermic?

500
CHALLENGE (not a quiz question): Explain how the water cycle an example of a physical change.
What is YES, it is a physical change, because water changes from a liquid/solid when it precipitates, to a gas when it evaporates, then forms back into a liquid when it condensates. Then the process repeats again with the same substance, WATER!
500

CHALLENGE (not a quiz question) Explain how a rocket launch is an example of a chemical change.

What is the fuel combines with another chemcial to produce large volumes of a hot gas that propel the rocket into space?

500

Silver Tarnishing 

What is chemical change 

500

A change is phase is always a physical change

True 

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