A student is investigating the time it takes for different objects to reach the ground after they are dropped. The constant in this investigation is the —

• Time to reach the ground

• Distance to the ground

• Weight of each object

• Object being dropped

Identify the quantitative data listed for the unknown substance.

• Hardness of 6-6.5

• Weighs 20.5 g

• Greenish black streak

• About 4 cubic cm

• Sinks in the water

Students investigated how different colors of construction paper in a solar oven affect the heating of water. Which graph correctly represents the data for the brown construction paper?

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Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A student made the model showing the particles in a solid. To improve the model, the student should —

• put the beads in a square container

• take out some beads so the particles can move more easily

• shake the container gently to show how the particles vibrate

• use different-colored beads to make the particles easier to see

Tags

NGSS.MS-PS1-1

In which direction will the ball most likely go after it hits the wall?

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Tags

NGSS.MS-PS2-1

A student made a track for a toy sled using 4 different materials. At which section of the track is friction most likely to cause the greatest resistance to the motion of the toy sled?

• 1

• 2

• 3

• 4

A student rubbed a plastic comb with a piece of wool cloth and then placed the comb near a stream of water. The water bent toward the comb as shown because of —

• thermal energy

• static electricity

• magnetism

• gravity

Tags

NGSS.MS-PS2-3

An electromagnet can be made using a battery, insulated wire, and —

• an iron nail

• an aluminum can

• a nickel coin

• a gold chain

Tags

NGSS.MS-PS2-5

Which plant part develops into a fruit?

• Flower

• Stem

• Leaf

• Root

Which substance produced during photosynthesis is represented by the X in the illustration?

• Water

• Oxygen

• Sunlight

• Carbon Dioxide

Tags

NGSS.MS-LS1-6