Physical Concepts 15.2 Review

This supports that matter is never created or destroyed

• Gravity

• Tyndell effect

• Law of Conservation of Mass

• Mixture

What is a process used to separate substances in a mixture by evaporation and re-condensing?

• Distillation

• Tyndell Effect

• Melting

• Vaporization

This picture best demonstrates

• Tyndell Effect

• Distillation

• Melting

• Smoking effect

You are stranded on an island in the Pacific Ocean with no source of fresh water. What would be the best way to separate salt water so you could drink it?

• Burn the salt out of the water

• Distill the mixture

• let the mixture settle for years

• pour the mixture through sand

How would you classify the color of a rose?

• as a chemical property

• as a physical property

How would you classify fireworks?

• as a physical change

• as a chemical change

a bike fender rusting is a

• physical change

• chemical change

baking a cake

• physical change

• chemical change

mowing the lawn

• physical change

• chemical change

rocks splitting

• physical change

• chemical change