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

Where would you most likely see this organism?

• Tundra

• Tropical Rainforest

• Taiga

• Grassland

Tags

NGSS.MS-LS2-1

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

Which organism is a decomposer?

• Trout

• Bamboo

• Tube Worm

• Rose Bush

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Which biome is hot and dry?

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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

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NGSS.MS-PS3-1

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

Which best compares forests and grasslands?

• Both forests and grasslands are home to prairie dogs.

• Both forests and grasslands have many trees.

• Most grasslands get less rainfall than forests.

• Most forests are flatter than grasslands.

Which weather condition does a barometer measure?

• precipitation

• wind direction

• air pressure

• temperature

Which best explains why a boy and his parents can all speak French?

• The boy inherited the trait from his parents.

• The parents inherited this trait from their son.

• The boy and his parents acquired this trait before they were born.

• The boy and his parents acquired this trait during their lives.