Vocabulary Physical Change Chemical Change Matter Properties

100

What is MATTER?
Anything that has mass (weight) and takes up space.

100

What is YES? You can melt and refreeze a popsicle and it will still be a popsicle.
Is a melted popsicle an example of a physical change?

100

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

100

What is FALSE?
True or False. If you know the weight of a portion of an object than you CANNOT determine the weight of the whole object?

100

What are YOUR SENSES?
You use these to help you identify the physical properties.

200

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

200

What is NO? When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.
Is Alka-Seltzer and water an example of a physical change?

200

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

200

What are SOLID, LIQUID, GAS?
Name the 3 types of matter.

200

What are cold, hard, solid, wet, etc.?
Name 2 physical properties of ice.

300

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

300

What is a salad or trail mix?
Name a food that is an example of a physical change.

300

What is a cake, because you cannot turn a cake back into the eggs, flour, sugar, etc. that you mixed together?
Name a food that is an example of a chemical change and explain why.

300

What is a LIQUID?
These molecules can move freely and will take the shape of any container you put them in.

300

What is liquid, wet, odorless, etc.
Name 2 physical properties of water.

400

What is a PHYSICAL CHANGE?
A type of change where the substance stays the same, but size and shape may change.

400

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

400

What is FALSE? To make peanut butter, you grind up roasted peanuts, so nothing new is being created.
True or False. Turning peanuts to peanut butter is an chemical change.

400

What is a GAS?
These molecules move rapidly and freely whereever there is open space.

400

What is iron is magnetic and sand is not, so you can use a magnetic wand to separate the two substances?
Explain how iron fillings and sand can be separated using physical properties.

500

What is a SOLID?
This type of matter keeps a definite shape.

500

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!
CHALLENGE (not a quiz question): Explain how the water cycle an example of a physical change.

500

What is the fuel combines with another chemcial to produce large volumes of a hot gas that propel the rocket into space?
CHALLENGE (not a quiz question) Explain how a rocket launch is an example of a chemical change.

500

What is Solid- desk, book; Liquid- water, lemonade; Gas- helium, air?
Identify 1 example of a solid, liquid, and gas.

500

What is DESALINATION?
CHALLENGE (not on quiz). We can separate salt and water using physical properties. What do we call this process of evaproating the water to separate the salt?

Physical & Chemical Changes

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