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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

Name the 3 types of matter.

What are SOLID, LIQUID, GAS?

100

What type of change occurs when two substances mix and bubbles form?


What is a CHEMICAL CHANGE.

200

The amount of matter inside of an object.

What is MASS?

200

Is boiling an egg an example of a physical change?

What is NO? When you boil an egg, the egg turns to a solid that cannot be liquefied again.

200

Name the two indicators of a chemical change.

What are color change, bubbles, temperature change?

200

These molecules are tightly packed together and maintain a definite shape.

What is a SOLID.

200

What type of change occurs when ice melts?

What is a PHYSICAL change.

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

TRUE or FALSE

Is baking a cake an example of a chemical change.

TRUE

300
These molecules can move freely and will take the shape of any container you put them in.
What is a LIQUID?
300

This substance forms when iron mixes with air and moisture.

What is RUST.

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

Why is wood burning an example of a chemical change?

When wood burns it creates ash, and ash cannot be turned back into wood.

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

When two substances mix together and an odorous gas forms.

What is a CHEMICAL CHANGE

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

TRUE or FALSE

When an object undergoes a physical change, a new substance is formed.

FALSE

500

TRUE or FALSE

When a chemical change occurs, a new substance is formed.

TRUE

500

How much solution is made when 2 mg of salt is added to 900 mL of water?

What is 902 mL of solution

500

List at least 3 ways to determine if a CHEMICAL CHANGE has occurred?

  1. Change in Color.
  2. Formation of a Gas.
  3. Formation of a Precipitate.
  4. Change in Odor.
  5. Change in Temperature.
  6. Something is Burning.
  7. Light is Being Produced.