6th Grade Chemistry Review

Which beaker shows a liquid?

• A

• B

• C

Which beaker shows a solid?

• A

• B

• C

Which beaker shows a gas?

• A

• B

• C

Which phase of matter matches the description:

Molecules move past each other but are somewhat close together, molecules take the shape of the container they are in

• Solid

• Liquid

• Gas

Which phase of matter matches the description?

Molecules are tightly packed together, substance holds its own shape

• Solid

• Liquid

• Gas

Which phase of matter best matches the description?

Molecules are flowing quickly, molecules move in and out of space freely, can fill the container they are in if the container is closed

• Solid

• Liquid

• Gas

If energy (heat) is added, solid ice will turn into a _____________

• Liquid

• Gas

If energy (heat) is added, liquid water will turn into a _____________

• Solid

• Gas

What will happen to the mass of the ice when it melts?

• The mass will increase

• The mass will decrease

• The mass will stay the same

Which of the following are PHYSICAL changes? (Remember, you can choose more than 1)

• An ice cube melts in a glass

• Eggs, water, oil, flour, and cocoa are baked into a cake

• Paper is ripped in half

• Paper is burned