What is matter?

• everything that has mass and occupies space

• something important

• only things that are heavy.

Tags

NGSS.MS-PS1-1

The water weighed 150 grams. The sugar weighed 25 grams. Why did they weigh 175 grams after the sugar dissolved?

• The sugar had disappeared.

• The sugar was still there. It was in a different form.

• The water was heavier.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

True or False:

When water changes from solid to liquid state, some of the matter is destroyed

• True

• False

Tags

NGSS.MS-PS1-4

What happens to the mass of materials before and after an experiment?

• The mass remains the same.

• The mass decreases.

• The mass increases.

• The mass becomes null.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What happens to matter when it changes form?

• It is not really destroyed.

• It disappears completely.

• It transforms into energy.

• It transforms into a different type of matter.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

Which is a physical change?

• burning paper

• melting ice

• burning firewood

• food decomposing

Tags

NGSS.MS-PS1-4

50 grams of salt are dissolved in 300 grams of water.

What is the mass of the saline solution?

• 250 grams

• 300 grams

• 50 grams

• 350 grams

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

100 grams of ice melt.

What is the mass of the melted ice?

• 75 grams

• 50 grams

• 100 grams

• 150 grams

Tags

NGSS.MS-PS1-4

What happens to the mass of a substance when it changes from solid to liquid state?

• The mass decreases.

• The mass increases.

• The mass remains the same.

• The mass becomes null.

Tags

NGSS.MS-PS1-4

True or False:

When ice changes to water, it transforms into a different type of matter.

• True

• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4