Matter/Changes Assessment

Julia is following a recipe to make batter for a cake. She uses a scale to weigh each ingredient separately. Julia can BEST use this information to predict the weight of the mixed batter by...

• adding the weights of each ingredient together.

• multiplying the weights of each ingredient together.

• dividing the weight of the wet ingredients from the weight of the dry ingredients.

• subtracting the weight of the wet ingredients from the weight of the dry ingredients.

If 10 grams of water are added to 5 grams of salt, how much salt water will be made?

• 2 grams

• 5 grams

• 10 grams

• 15 grams

Tags

NGSS.MS-PS1-5

Which change is most likely to produce a new substance?

• a piece of paper burning

• sugar dissolving into water

• glass breaking into many pieces

• water boiling and creating steam

Tags

NGSS.MS-PS1-2

Gloria's family built a wood fire in the fireplace. The next day, Gloria noticed that there was no wood left in the fireplace, only ashes. Which best explains this?

• Wood is separated from ashes as it burns.

• Wood becomes a new substance as it burns.

• Ashes have the same properties as wood.

• Ashes are the same substance as wood.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which explains why the handles of many cooking pans are made of plastic?

• Plastic melts easy.

• Plastic freezes easy.

• Plastic is a poor conductor of heat.

• Plastic is a good conductor of heat.

Tags

NGSS.MS-PS3-3

On a hot day in the sun, why does Robert use a foam can holder to keep his drink cool?

• Foam is a poor conductor of heat.

• Foam conducts cold air.

• Foam is a good conductor of heat.

• Foam is a good conductor of cold.

Tags

NGSS.MS-PS3-3

Which best describes a material that would be used to keep heat in a house?

• excellent conductor of heat

• excellent conductor of cold

• poor conductor of heat

• poor conductor of cold

Tags

NGSS.MS-PS3-3

Which best explains why a full glass bottle of water should not be stored in a freezer?

• The temperature of the freezer will make the water too cold.

• Water expands when it freezes, which could break the bottle.

• Water contracts when it freezes, which could break the bottle.

• The temperature of the freezer will not make the water cold enough.

Tags

NGSS.MS-PS1-4

A jeweler melts gold to make jewelry. As the gold melts, the mass...

• increases.

• decreases.

• is destroyed.

• stays the same.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which activity is an example of a physical change?

• baking a cake

• boiling water

• lighting a match

• rusting bike chain