Generation Genius: Conservation of Matter

Matter must have weight and _________.

• be visible

• take up space

• be a solid

• all of these

If 25 grams of sugar dissolves into 150 grams of water, what is the new weight of the liquid?

• 125 g

• 150 g

• 25 g

• 175 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What evidence was found for conservation of matter in the fire snake demo?

• looked the same before and after

• about the same weight before and after

• smelled the same before and after

• matter was not conserved

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The fire snake weighed slightly less after it burned. Where did that matter go?

• disappeared

• burned up

• escaped as gas

• soaked into sand

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Why does the weight of the dry ice go down while it's sitting on the scale?

• it's melting

• it's disappearing

• turning into a gas

• none of these

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

As the balloon collects gas, what happens to the weight reading on the scale?

• increases

• decreases

• stays the same

• goes to zero

Tags

NGSS.MS-PS1-5

As this candle burns it gets shorter. Where does the wax go?

• wax goes into the air

• disappears

• melts into the candle

• burns and releases gases into the air

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

What makes cinnamon rolls get bigger when you bake them?

• more matter

• gas bubbles get smaller

• more energy

• gas bubbles get larger

Tags

NGSS.MS-PS1-4

Where did Zoe's flash paper go when it disappeared?

• converted to gas

• converted into pure energy

• into the candle

• she hid it in her hand

Tags

NGSS.MS-PS1-2

If you could weigh a sealed air bag before and after it inflates, the weight would do what?

• increase

• decrease

• go to zero

• stay the same

Tags

NGSS.MS-PS1-2