Q2 Practice Generated

How is ultraviolet light different from the light emitted by a flashlight? (7.P.10.1)

• Ultraviolet light is brighter than the light from a flashlight.

• Only light from a flashlight can travel through empty space.

• Ultraviolet light has a longer wavelength than the light from a flashlight.

• Ultraviolet light is invisible to the human eye.

White light is made up of a spectrum of many different colors. What property is used to divide the various colors in the spectrum? (7.P.10.1)

• speed

• wavelength

• density

• temperature

Which of the following materials would sound travel fastest through? (7.P.10.3)

• a sponge

• a beaker of water

• the air in the room

• a wooden desk

Tags

NGSS.MS-PS4-2

Which of the following materials would light travel fastest through? (7.P.10.3)

• air

• plastic

• water

• light waves travel through all matter at the same speed

Tags

NGSS.MS-PS4-2

Which of the following could result from heat being transferred to a substance? (7.P.11.1)

• The substance changes from a liquid to a gas.

• The substance changes from a gas to a liquid.

• The substance changes from a liquid to a solid.

• The substance changes from a gas to a solid.

Tags

NGSS.MS-PS1-4

The more heat the particles contain, the faster they move about. In which state of matter do the particles have the most heat? (7.P.11.1)

• in both a solid and liquid

• in a liquid

• in a gas

• in a solid

Tags

NGSS.MS-PS1-4

If the temperature of an object is 30°C, which of the following temperatures would indicate the most heat that was removed from this object? (7.P.11.1)

• 40°C

• 30°C

• 20°C

• 10°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Alexander hooks a rubber band around his thumb and forefinger. He moves his fingers apart, stretching the rubber band. With a quick, sudden motion, he bends his thumb forward so that the rubber band slips off. What happens next? (7.P.11.2)

• The potential energy stored in the rubber band changes to heat energy.

• The potential energy stored in the stretched rubber band changes to kinetic energy.

• The potential energy stored in Alexander’s body changes to kinetic energy.

• The potential energy stored in Alexander’s body changes to potential energy in the rubber band.

Tags

NGSS.MS-PS3-5

Which statement best explains why a bouncing basketball will not remain in motion forever? (7.P.11.3)

• The energy is transferred to heat and chemical energy as it hits the ground.

• The energy is transferred to light and potential energy as it hits the ground.

• The energy is used up and destroyed as it hits the ground.

• The energy is transferred to sound and heat energy as friction as it hits the ground.

Tags

NGSS.MS-PS3-5

Which of the following would best demonstrate the Law of Conservation of Energy? (7.P.11.3)

• Isaiah performed an experiment where he heated 40 g of ice cubes until they changed state to a gas.

• Kendra performed an experiment to demonstrate friction by rubbing her hands together for 50 seconds. She noticed her hands became warm.

• Annabelle performed an experiment where she dropped a tennis ball 35 times and counted the number of bounces.

• Cameron performed an experiment in which he kept ice from melting for 1 hour.

Tags

NGSS.MS-PS3-5