5.PS1.2 Law of Conservation of Mass

The law of conservation of mass states substances can neither be created nor destroyed.

• True

• False

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

When matter goes through a physical change or chemical change, the total mass with most likely ______________.

• change

• increase

• decrease

• remain the same

Tags

NGSS.MS-PS1-5

Mrs. Howell mixed hot cocoa for William. She pours a glass of warm milk with a massof 42 grams. Then she adds cocoa mix with a mass of 6.5 grams to the milk. What is the total mass of the hot cocoa mixture?

• 48.5 g

• 35.5 g

• 42 g

• 6.5 g

Tags

NGSS.MS-PS1-5

A cup contains two substances. One of the substances has dissolved. Since the substance has dissolved, the total mass decreases.

• True

• False

Tags

NGSS.MS-PS1-5

If solid water (ice) melts to liquid in a sealed container, then the total mass does not change.

• True

• False

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Andrew adds 5.4 grams of green food coloring to 10.2 grams of water. What is the total mass of the green colored water?

• 15.6 grams

• 4.8 grams

• 10.2 grams

• 5.4 grams

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Brittany adds 10 grams of salt to 20 grams of water. The salt is mixed into the water. What is the total mass of the mixture?

• 10 g

• 20 g

• 25 g

• 30 g

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Ben is performing an experiment. He adds 0.25 g of baking soda to 5 g of water and stirs. Ben watches the baking soda dissolves in the water. What is the total mass of the baking soda mixture?

• 0.25 g

• 4.75 g

• 5 g

• 5.25 g

Tags

NGSS.MS-PS1-5

4 grams of hydrogen and 32 grams of oxygen will combine to form how many grams of water?

• 4 g

• 28 g

• 32 g

• 36 g

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

If Olaf (the snowman) melts, his mass before and after he melts _____________.

• changes

• stays the same

• increases

• decreases

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-4