Matter Test Review

Wood that is burning in a brush pile has heat, and produces ashes.

• Physical

• Chemical

Is milk going sour a physical or chemical change?

• Physical

• Chemical

Is freezing juice a physical or chemical change?

• Physical Change
• Chemical Change

A __________ is a mixture that is formed when a solid is dissolved in a liquid.

• Chemical compound
• Solution
• Endothermic reaction
• Exothermic reaction

In which of these do particles move slowest?

• matter
• gas
• liquid
• solid

An example of a physical property would be?

• Rust on a nail
• Salt dissolved in water.
• Wood burning
• An egg frying

What is a mixture?

• Pennies
• 2 or more different things combined.
• Ice
• Marbles

Which is NOT a physical change?

• Cutting a pizza into equal slices.
• Ice cubes melting back into liquid. water
• Baking cupcakes.
• A chocolate bar melting.

When you increase the energy by heating a liquid what happens to the motion of the molecules

• They slow down

• They speed up

• Heat doesnt change the motion of the molecules

Evidence of a physical change.

• New substance
• Shape Change
• Light produced
• Gas released.