Changes in Materials

Which is a chemical reaction?

• A stick being inserted into an apple.

• An apple being covered with caramel.

• Sugar becoming caramel.

• Sugar dissolving.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is a chemical change?

• Wood being burned.

• Wood being chopped up.

• Wood being ground up.

• Wood being nailed.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is a chemical change?

• Bending

• Burning

• Freezing

• Shredding

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which is a physical change?

• rusting

• rotting

• burning

• breaking

Which is a physical change?

• frying an egg

• rolling out a pie crust

• baking biscuits

• waiting for a banana to ripen

Tags

NGSS.MS-PS1-4

Which is a physical change?

• A piece of burnt paper

• baked cookies

• a rusted nail

• melting ice

Tags

NGSS.MS-PS1-4

Which is a chemical change?

• oiling a squeaky hinge

• cooking eggs

• sewing a torn shirt

• pulling weeds

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

NGSS.MS-PS1-4

Which is not a chemical change?

• a change that gives off heat

• a change that creates bubbles

• a change that makes a new substance

• a change in size, shape, or state

Tags

NGSS.MS-PS1-2

Which is not collecting data about rocks?

• making observations about the rocks

• measure the volume of the rock

• predict the rock's age

• test the effect of dripping vinegar on a rock

If you wanted to figure out which cup of coffee was the hottest, what would be the best way to test this?

• look at the steam

• drink the coffee

• measure the temperature

• touch the outside of the cup