Show:
Vocabulary
Physical Change
Chemical Change
Matter
Density or Physical P
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  the ability to 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

What is the definition for mass?

a measurement of how much matter is in object

100

What is the measure of force of gravity on an object?

Weight

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

You use these to help you identify the physical properties.

What are YOUR SENSES?

300

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?

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

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.

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

What is the formula equation for Density?

Mass รท Volume

500

A measurement of how much space an object occupies?

What is a VOLUME?

500

CHALLENGE (not a quiz question): Is the water cycle a physical change? Explain your answer. 

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

When fireworks go off, what evidence of chemical change is shown?

Combustion/burning

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

As mass increases what happens to the density in solids?

As mass increases the density also increases.