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Vocabulary
What Change?
Energy
Matter
Properties
100
Anything that has mass (weight) and takes up space.
What is MATTER?
100
Is a melted popsicle an example of a physical change?
What is YES? You can melt and refreeze a popsicle and it will still be a popsicle.
100

Energy is the ability to do what?

what is WORK OR CAUSE CHANGE

100

TRUE or FLASE: Changing state (solid to liquid, liquid to gas, etc.) is a chemical change?

What is FALSE?

100
You use these to help you identify the physical properties.
What are YOUR SENSES?
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 change?
What is NO? When you mix Alka-Seltzer and water, bubbles form, which indicates a chemical change as taken place.
200

Thermal energy natural flows from _____ to ______.

What is warmer matter to cooler matter

200
Name the 3 types of matter.
What are SOLID, LIQUID, GAS?
200
Name 2 physical properties of ice.
What are cold, hard, solid, wet, etc.?
300
Type of change where a new substance is created.
What is a CHEMICAL CHANGE?
300
Is rust an example of a chemical change?
What is YES? You cannot change rust back into the metal is was before; therefore, it is a chemical change.
300

Energy is RELEASED during an __________ reaction

What is EXOTHERMIC?

300
These molecules can move freely and will take the shape of any container you put them in.
What is a LIQUID?
300
Name 2 physical properties of water.
What is liquid, wet, odorless, etc.
400
A type of change where the substance stays the same, but size and shape may change.
What is a PHYSICAL CHANGE?
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

Energy is ABSORBED during an __________ reaction.

What is ENDOTHERMIC?

400
These molecules move rapidly and freely whereever there is open space.
What is a GAS?
400
Explain how iron fillings and sand can be separated using physical properties.
What is iron is magnetic and sand is not, so you can use a magnetic wand to separate the two substances?
500
This type of matter keeps a definite shape.
What is a SOLID?
500
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?
500

What does temperature measure?

What is motion and energy of the particles of matter?

500
Identify 1 example of a solid, liquid, and gas.
What is Solid- desk, book; Liquid- water, lemonade; Gas- helium, air?
500

Name 2 examples of PHYSICAL changes.

What is ripping paper, crushing rocks, melting butter, cutting hair, boiling water, etc?