Science Test Cam

Physical or Chemical Change?

Sodium hydroxide dissolves in water.

• Physical Change
• Chemical Change

Physical or Chemical Change?

Hydrochloric acid reacts with potassium hydroxide to produce a salt water and heat.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical Change?

A pellet of sodium is sliced in two.

• Chemical Change
• Physical Change

Physical or Chemical Change?

Water is heated and changed to steam.

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Physical or Chemical Change?

Potassium chlorate decomposes to potassium chloride and oxygen gas.

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical Change?

Iron rusts.

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical Change?

When placed in H2O, a sodium pellet catches on fire as hydrogen gas is liberated and sodium hydroxide forms.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Physical or Chemical Change?

Evaporation.

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Physical or Chemical Change?

Ice melting.

• Physical Change
• Chemical Reaction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Physical or Chemical Change?

Milk sours.

• Chemical Change
• Physical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5