NC Check in Physical Science

A student rolls a ball down a smooth wooden ramp and observes what happens. Then he puts sandpaper on the ramp and rolls the ball again. What is the student most likely investigating?

• the effect of a change in gravity on the ball's motion

• the effect of a change in mass on the ball's motion

• the effect of a change on friction on the ball's motion

• the effect of a change in a ball's motion on the ramp

During January and February, which most likely helps keep weather mild along the coast of North Carolina?

• El Nino

• La Nina

• the Gulf Stream

• the Jet Stream

Tags

NGSS.MS-ESS2-6

Four shoppers are pushing identical shopping carts at the same speed. Each cart contains a different object. Which cart will require the least force to stop it's motion?

• the cart containing an object with a mass of 530 g

• the cart containing an object with a mass of 180 g

• the cart containing an object with a mass of 310 g

• the cart containing an object with a mass of 700 g

Tags

NGSS.MS-PS2-2

Which is an example of transpiration?

• Hail falls from the atmosphere onto a field.

• A corn plant's leaves release water vapor in the air.

• Dew drops on an oak leaf change to water vapor.

• Cloud droplets form from water vapor in the air.

Tags

NGSS.MS-ESS2-4

What is the process by which water vapor changes back into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4

Which of the following is NOT a physical change?

• Boiling water

• Dissolving sugar in water

• Burning wood

• Freezing water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of the following is a property that can be used to identify a substance?

• Color

• Smell

• Density

• All of the above

Which weather condition does a barometer measure?

• precipitation

• wind direction

• air pressure

• temperature

When does heat stop flowing between two objects?

• when the objects gain enough heat to melt

• when the objects reach the same temperature

• when one object loses enough heat to freeze

• when one object loses all its heat

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which best explains what happens when most materials are heated?

• They contract.

• They expand.

• They change color.

• They double in size.

Tags

NGSS.MS-PS1-4