Chemical and Physical changes and properties

A chemical change is when a —————— changes entirely.

A physical change is what?

• When a substance changes it’s atoms.

• When a material changes appearance.

• When a substance becomes small.

• When a material changes colors.

This is a change in which matter changes to a different type.

• Physical

• Chemical

A change in mass is an indication of which type of change?

• Physical Change
• Chemical Change

An ice cube melting from the heat of your hand is an example of which type of change?

• Physical Change
• Chemical Change

Making popcorn

• Physical

• Chemical

A firework display

• Physical

• Chemical

What are the three states of matter?

• gas, liquid, mass
• solid, liquid, gas
• mass, solid, magnet
• gas, temperature, solids

Examine the diagram. What would a teacher most likely use this image to explain?

• Heat being added and taken away is causing physical changes in water.

• Air being added and taken away is causing physical changes in water.

• Heat being added and taken away is causing chemical changes in water.

• Air being added and taken away is causing chemical changes in water.

If you dissolved a lot of salt in some water in a large flat dish and put the dish in bright sunlight on a hot day, what would be left in the dish after a long time?

• dry salt
• water with no salt
• the same salty water as before
• nothing