Vocabulary
Physical Change
Chemical Change
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
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.
100

You weigh separately 2 Tablespoons of baking soda and 4 Tablespoons of vinegar. Then you mix the two together and weigh again. What has happened to the weight?

What is it has stayed the same.

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

Is melting butter an example of a chemical change?

What is no. You are not creating a new substance.

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
Name a food that is an example of a physical change.
What is a salad or trail mix?
300

Name a food that is an example of a chemical change.

What are cake, lasagna, cookies, etc.

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
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?
400
These molecules move rapidly and freely whereever there is open space.
What is a GAS?
400

Name 2 similarities and 2 differences of the properties of salt and sugar.

Similarities: solid, shape, size

Differences: taste, color

500
This type of matter keeps a definite shape.
What is a SOLID?
500

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

Name two indicators of a chemical change.

What are color change, bubbles, temperature change.

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

Name any 3 physical properties of matter. For example: Malleability

What are malleability, elasticity, bounciness, hardness, electric conductivity, magnetic, buoyancy, solubility, reflectivity, thermal conductivity. 

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