P & C Changes

Which action causes a chemical change?

• leaves dropping from a tree

• leaves blowing in the wind

• leaves being burned in a fire

• leaves being crushed into pieces

Which describes a chemical change?

• sugar dissolving in tea

• sunshine warming a sidewalk

• scissors cutting paper into pieces

• acid in the stomach digesting food

Which property of sugar remains after sugar is dissolved in water?

• color

• taste

• shape

• texture

Which is an example of a different substance being formed?

• glass breaking

• metal melting

• water freezing

• wood burning

Which example best describes a physical change?

• baking a pie

• burning a candle

• making a paper airplane

Which is a physical change involving an egg?

• frying an egg

• boiling an egg

• breaking an egg

In which can the original substances involved in a change most likely be recovered?

• a piece of iron rusting

• a pan of cookies baking

• a piece of wood burning

• a container of juice freezing

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• rust

Tags

NGSS.MS-PS1-2