Physical and Chemical Change

According to the Law of Conservation of Mass, when ice cream melts, its total mass will

• increase

• decrease

• stay the same

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-4

Which of the following is NOT a chemical change?

• baking cookies

• slicing bread

• frying an egg

• metal rusting

Tags

NGSS.MS-PS1-2

If two substance are mixed in a sealed container, and a gas is created, it is an example of a

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

If two substance are mixed in a sealed container, and a gas is created, the total mass of the container should

• increase

• decrease

• stay the same

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Water evaporating is an example of a

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

According to the Law of Conservation of Mass...

• new matter can never be made or lost

• new matter can be lost, but not made

• new matter can be made, but not lost

• new matter can be made or lost

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Solubility refers to...

• an object's ability to create new matter

• an object's ability to dissolve in water

• an object's ability to float in water

• an object's ability to solve a math problem

Buoyancy refers to..

• an object's ability to dissolve in water

• an object's ability to bounce

• an object's ability to float in water

• an object's ability to leap tall buildings in a single bound

Which of the following is NOT a sign of a Chemical Change?

• Heat or light is created.

• A gas is created.

• A change in color.

• A change in taste

Tags

NGSS.MS-PS1-2

An ice cube melting is an example of a

• physical change

• chemical change

Tags

NGSS.MS-PS1-4