Physical and Chemical Changes

When an ice cube melts, it is still water.

• true

• false

Tags

NGSS.MS-PS1-4

Matter is lost when a candle is burned.

• true

• false

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When your body digests food, the food is changed into new substances.

• true

• false

Tags

NGSS.MS-LS1-7

A _ is a change that affects one or more physical properties of a substance.

• physical change

• chemical change

• physical property

• chemical property

Tags

NGSS.MS-PS1-4

A _ occurs when one or more substances change into entirely new substances with different properties.

• physical change

• chemical change

• physical property

• chemical property

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Be aware that chemical changes are the same as chemical properties.

• true

• false

Answer explanation

NOT!

Burning is a _; flammability is a _.

• physical change/chemical change

• physical property/chemical property

• chemical change/ chemical property

• chemical change/physical property

Chemical changes are the _ by which substances actually change into new substances.

• properties

• processes

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

At _ temperatures, the particles in a substance have more average kinetic energy.

• lower

• similar

• higher

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Name 5 signs that may be observed during a chemical change.

Tags

NGSS.MS-PS1-2