What was the initial reaction when the paper disappeared?

• No reaction

• Everyone was scared

• Everyone was confused

• Everyone was amused

What does the law of conservation of matter state?

• Matter can disappear without a trace

• Matter can be created and destroyed

• Matter is conserved in amount even when its form changes

• Matter cannot change forms

Tags

NGSS.MS-PS1-5

What evidence shows that sugar is still present in the water?

• The sugar crystallizes

• The mixture weighs more than the water alone

• The water tastes sweet

• The water turns clear

Tags

NGSS.MS-PS1-2

What does the fire snake experiment demonstrate?

• Matter can spontaneously generate

• Matter decreases in mass when burned

• Matter changes form and is conserved

• Matter can vanish

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

What happens to dry ice as it warms up?

• It melts into a liquid

• It sublimates directly into gas

• It remains solid

• It disappears completely

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How can you prove that dry ice is turning into gas?

• By touching it

• By freezing it

• By smelling it

• By weighing it over time

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does the homemade lava lamp experiment illustrate?

• Chemical reactions can create matter

• Matter is destroyed in reactions

• Matter conservation in a chemical reaction

• Color changes indicate new matter

Tags

NGSS.MS-PS1-4

What principle do airbags demonstrate?

• Rapid gas generation

• Destruction of matter

• Inflation without gas

• Conservation of matter in a rapid reaction

Why does the candle appear to lose mass?

• The wax is destroyed

• The fire consumes the wax

• The scale is broken

• The wax turns into gas

Tags

NGSS.MS-PS1-5

What happens to the cinnamon rolls when baked?

• They lose mass

• They gain mass

• Their mass stays the same

• They turn into a different substance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5