Review

What is solubility?

• different materials placed together but keeping their own properties

• a mixture in which substances spread out evenly and will not settle

• the degree to which a material will dissolve in another substance

• the substance in a solution that has the greatest amount

• the substance in a solution that has the least amount

What is a solute?

• different materials placed together but keeping their own properties

• a mixture in which substances spread out evenly and will not settle

• the degree to which a material will dissolve in another substance

• the substance in a solution that has the greatest amount

• the substance in a solution that has the least amount

Which is an example of a mixture?

• a salad

• an orange

• sand

• nuts

In a solution of saltwater, what is the solvent?

• salt

• water

• ice

• the glass

Which of the following will NOT dissolve in water?

• salt

• rocks

• apple juice

Magnetic attraction, texture, and size are all properties of...

• solids and liquids

• only solids

• only gases

• solids and gases

How are solids liquids and gases different?

• Solids have a definite shape. Liquids and gases don't

• Liquids take the shape of their container, but solids and gases don't

• Gases contain matter and take up space, but solids don't

Tags

NGSS.MS-PS1-4

Which of these is a chemical change caused by heat?

• Water heating up and changing to a gas

• Rust forming on a tire

• Water changing from a gas back to a liquid

• A cake baking in the oven

Tags

NGSS.MS-PS1-4

Which of these is showing energy that creates change?

• A coffee pot spilling on the floor

• Gasoline that makes a car drive

• A person on a bike at a stop sign

• A person standing in line

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What type of energy is a battery?

• Electrical

• Heat

• Chemical

• Mechanical