Vocabulary
Physical Change
Chemical Change
Matter
100
These are the characterstics of an object and you use your senses to identify them.
What are PHYSICAL PROPERTIES?
100
Is Alka-Seltzer and water an example of a physical change?
What is NO? When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.
100
Name the two indicators of a chemical change.
What are color change, bubbles, temperature change?
100
Name the 3 types of matter.
What are SOLID, LIQUID, GAS?
200
Type of change where a new substance is created.
What is a CHEMICAL CHANGE?
200
Name a food that is an example of a physical change.
What is a salad or trail mix?
200
Name a food that is an example of a chemical change and explain why.
What is a cake, because you cannot turn a cake back into the eggs, flour, sugar, etc. that you mixed together?
200
These molecules can move freely and will take the shape of any container you put them in.
What is a LIQUID?
300
A type of change where the substance stays the same, but size and shape may change.
What is a PHYSICAL CHANGE?
300
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?
300
True or False. Turning peanuts to peanut butter is an chemical change.
What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.
300
These molecules move rapidly and freely whereever there is open space.
What is a GAS?
400
This type of matter keeps a definite shape.
What is a SOLID?
400
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!
400
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?
400
Identify 1 example of a solid, liquid, and gas.
What is Solid- desk, book; Liquid- water, lemonade; Gas- helium, air?
500

What is Solubility?

The ability of a substance to dissolve into another substance.

500

Think of burning candle demonstration. Describe a physical change during the burning of the candle.

When you burn the end of the candle, and the candle wax melts.

500

Think of the candle burning demonstration. Describe the chemical change during the burning of the candle.

When you burn the wick, it produces a chemical change evidenced by the gas and temperature change.

500

Name two properties of matter? 

Physical and Chemical properties.

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