Physical and Chemical Changes

What is matter?

• Anything that takes up space

• Anything that is visible

• Anything that is alive

• Anything that is solid

Which statement best describes a physical change?

• The type of matter changes

• The matter changes into a new substance

• The type of matter stays the same

• The matter disappears completely

Baking a pie, where the crust browns and the inside cooks, is an example of what type of change?

• A physical change

• A chemical change

• A state change

• A reversible change

Are you enjoying the video lesson?

• Yes

• No

What type of change occurs when wood is burned in a fire?

• Physical change

• Chemical change

• No change

• Both physical and chemical change

A metal gate is bent and broken after being run into. What type of change has occurred to the gate?

• Chemical change

• Physical change

• No change

• Decomposition

What type of change is observed when a metal gate becomes rusted?

• Physical change

• Chemical change

• No change

• Mechanical change

What type of change occurs when ice melts into water?

• Chemical change

• Physical change

• No change

• Sublimation