Conservation of Mass Review

Select the best synonym for conserved in the following statement:

"Matter is always _______ during any kind of change."

• lost

• gained

• kept

• destroyed

Tags

NGSS.MS-PS1-5

True or False: Like matter, energy is always conserved during any kind of change.

• True

• False

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In the U.S., imperial (non-metric) units are usually used. Which of these is an imperial unit?

• grams (g)

• kilograms (kg)

• pounds (lb)

• milligrams (mg)

During a chemical reaction, the particles in substances can change by...

• breaking apart

• joining together

• rearranging

• all of these

Tags

NGSS.MS-PS1-2

A glass with 400 grams of ice is left out on a counter. The ice melts, then evaporates. The water vapor from the ice now has a mass of...

• less than 400 grams

• 400 grams exactly

• more than 400 grams

• 400 kilograms exactly

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5

When a person gains weight, the additional mass comes from...

• matter that was already in the person's body

• matter taken in from the environment

True or False: When a log burns in a fire, some of the matter in the log turns to water vapor and other gases.

• True

• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

When a substance heats up, which of the following happens?

• Its particles become larger

• Its particles move farther apart

• The substance's mass increases

• all of these

Tags

NGSS.MS-PS1-4

Matter is conserved during a...

• physical change

• chemical change

• both of these

Tags

NGSS.MS-PS1-5

Ice cream is made using 500 grams of heavy cream, 10 grams of vanilla extract, and 100 grams of sugar. What is the mass of the ice cream?

• 500 grams

• 510 grams

• 600 grams

• 610 grams

Tags

NGSS.MS-PS1-5