Sol Review

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

Which explains why the fork looks different under water?

• Light is refracted at an angle.

• The wavelength of light lengthens.

• Light cannot pass through the glass.

• The amount of light increases when going through water.

Tags

NGSS.MS-PS4-2

A fifth-grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?

• Plastic straw

• Cotton string

• Aluminum foil

• Rubber eraser

Tags

NGSS.4-PS3-2

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

In an ecosystem, what role do producers play in the food chain?

• They consume other organisms.

• They produce energy for consumers.

• They convert sunlight into usable energy.

• They break down dead organisms.

Tags

DOK Level 2: Skill/Concept

Design a year-long investigation to explore how different types of soil affect plant growth in an ecosystem. Describe the variables you would control and the data you would collect.

• Control: sunlight exposure; Data: height of plants

• Control: water amount; Data: number of leaves

• Control: type of plant; Data: soil pH levels

• Control: type of plant and water amount; Data: plant growth in height and health

Tags

DOK Level 4: Extended Thinking

Which contains only one kind of atom.

• Element

• Compund

• Mixture

Answer explanation

How does Earth's rotation affect the day and night cycle?

• It causes the seasons to change.

• It changes the moon's phases.

• It leads to day when the area faces the sun and night when it faces away.

• It affects the gravitational pull of the moon.

Tags

DOK Level 2: Skill/Concept

The amount of space something takes up.

• density

• volume

• mass

• matter

Answer explanation

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