Which term describes when a substance is changed from a liquid to a gas?

• Condensation

• Evaporation

• Filtration

• Precipitation

A mixture of sand, salt, and iron fillings is stirred into a beaker of water. The mixture is then allowed to settle.

What will separate the iron fillings from the mixture?

• Magnetism

• Filtration

• Flotation

• Sifting

Colton and his brothers put some raisins, hazelnuts, almonds, and peanuts in a bowl to make a snack for their movie. What does this snack represent?

• a solution

• a new element

• a new compound

• a mixture

Which is NOT a method used for separating mixtures?

• sifting

• flotation

• filtration

• dissolving

Lisa was at the fair and noticed people walking around with these 8 differently shaped balloons filled with helium gas.

Which is the best conclusion Lisa could make about gases after she observed these balloons?

• Gases take the shape and size of their containers

• Gases have definite shapes and sizes

• Gases have definite shapes and volumes

• Gases' sizes and shapes do not change

A scientist uses an instrument to study the small particles in a piece of matter. The diagram shows what the scientist sees.

What state of matter is the scientist most likely observing?

• gas

• solid

• liquid

• vapor

A scientist uses an instrument to study the small particles in a piece of matter. The diagram shows what the scientist sees.

What state of matter is the scientist most likely observing?

• gas

• solid

• liquid

• vapor

A scientist uses an instrument to study the small particles in a piece of matter. The diagram shows what the scientist sees.

What state of matter is the scientist most likely observing?

• gas

• solid

• liquid

• plasma

What are the three states of matter?

• solid, liquid, and gas
• solid, water, and gas
• wood, liquid, and gas
• solid, liquid, and helium

Solids have a definite _______________.

• smell
• shape
• picture
• sound