Show:
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

Identify 1 example of a solid, liquid, and gas.

What is Solid- desk, book; Liquid- water, lemonade; Gas- helium, air?

100
You use these to help you identify the physical properties.
What are YOUR SENSES?
200

These are the characterstics of an object you use your senses to observe.

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 2 ways you could know a chemical change has taken place.

What are color change, bubbles, temperature change, produce light or sound, produce a precipitate?

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, trail mix, or ice cream?

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 to cake batter.

What is an egg, because you cannot return it to a raw version.

What is a roasted marshmallow, because you cannot undo the toasting or burning.

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 or shape could 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 into homemade peanut butter is an chemical change.

What is FALSE? To make peanut butter, you grind up roasted peanuts, a new substance is not created.

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

The shape and volume of this type of matter is determined by its container.

What is a GAS?

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

Explain how a rocket launch is an example of a chemical change.

What is the fuel combines with another chemcial to produce large volumes of a hot gas that propel the rocket into space?

500

True or False. Light and sound are examples of matter.

What is FALSE?

500

When we separated the mixture in our Savvas Interactivity, the last step was to evaporate the water from the sugar. Why did we not boil the water away?

What is boiling could cause a chemical change.