Physical Science

Katie uses all her force to roll a bowling ball. Then Katie uses the same amount of force to roll a soccer ball. The soccer ball has less mass, but both balls are the same size. Why is the movement of the two balls different?

• The soccer ball moves a greater distance because more force is acting on it.

• The soccer ball moves a greater distance because it has less mass.

• The bowling ball moves a greater distance because it has more mass.

• The bowling ball moves a shorter distance because it has less force is acting on it.

Tags

NGSS.MS-PS2-2

Students were playing tug of war on the playground. Students on both sides were pulling on the rope, but the rope does not move. Which of the following sentences is true.

• No forces are being used in the tug of war game.

• Balanced forces are evident in the tug of war game.

• Unbalanced forces are evident in the tug of war game.

• Friction is the only force being used in the tug of war game.

The following illustration shows a tool that is used to separate certain mixtures.

This type of tool can be used to best separate what type of mixture?

• a mixture of sand and salt

• a mixture of particles of the same size

• a mixture of particles of different sizes, such as seashells and sand

• a mixture of steel, which is magnetic, and aluminum, which is not magnetic

Four students put 30 g of salt in a 100 mL solution of water. Each student heated his or her water solution to a different temperature.

Which student most likely had the solution with the fastest dissolving rate?

• Marcus

• Luis

• Tyra

• Andrew

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is an example of evaporation?

• When water changes to ice.

• When water forms on the outside of a glass.

• When ice changes into water.

• When water changes into water vapor.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What happens to water's weight when you freeze it?

• stays the same

• increases

• decreases

• water can't freeze

What is matter?

• Anything that is small and has weight.

• Anything that is small and takes up space.

• Anything that takes up space and has weight.

• Anything that is large and has weight.

What caused the mini lake weight to drop?

• The water disappeared into the sand.

• The lid had condensation on it and that made it lighter.

• The mini lake didn't change weight.

• The lid was removed allowing evaporation of the water into the air.

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happened to the salt that we added to the one mini lake as the water turned into water vapor?

• It disappeared.

• It was left on the rocks and the side of the container.

• It evaporated into the air with the water.

• It was clumped up into a pile in the middle of the lake.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Condensation is the opposite of evaporation.

• True

• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4