Chemistry Lessons

Mixing substances can cause properties to change. For example, mixing vinegar and baking soda causes a(n)

• reaction

• no change

• color change

• none of these

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When chemicals change from one state of matter to another, it is called a(n)

• observation

• hypothesis

• reaction

• state change

Tags

NGSS.MS-PS1-4

When a substance changes into a new substance, it is called a(n)

• reaction

• hypothesis

• state change

• observation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When substances change from a solid to a liquid state, it is called

• freezing

• condensation

• evaporation

• melting

Tags

NGSS.MS-PS1-4

When substances change from a liquid to a solid state, it is called

• freezing

• condensation

• evaporation

• melting

Tags

NGSS.MS-PS1-4

When substances change from a liquid to a gas state, it is called

• freezing

• condensation

• evaporation

• melting

Tags

NGSS.MS-PS1-4

When substances change from a gas to a liquid, it is called

• freezing

• condensation

• evaporation

• melting

Tags

NGSS.MS-PS1-4

Heating, cooling, and mixing substances can cause them to change. Often heating a material will cause it to____________, or get larger.

• contract

• expand

• freeze

• hypothesis

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Cooling a material usually causes it to _______________, or get smaller

• expand

• contract

• melt

• boil

Tags

NGSS.MS-PS1-4

During any change, matter is conserved, which means it

• gets larger

• gets smaller

• doesn't change

• melts

Tags

NGSS.MS-PS1-5