Schoolnet

Which container will be less likely to feel cold on the outside when filled with ice?

• a foam cup

• a glass cup

• a metal cup

• a paper cup

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Sandra washed her hair. She dried it with warm air from a blow dryer before going to school.

Which statement BEST explains why the blow dryer was able to dry Sandra’s hair quickly?

• The blow dryer used electricity.

• The blow dryer transferred heat.

• The blow dryer created sound waves.

• The blow dryer used mechanical energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

How does a greenhouse help a gardener grow plants during a cool season?

• The glass transmits light into the greenhouse but it slows the transfer of thermal energy out of the

  greenhouse.

• The glass panels transfer thermal energy into the greenhouse but they do not transfer thermal

  energy out.

• The greenhouse converts light energy into thermal energy so the plants grow faster.

• The glass blocks the flow of all types of energy into or out of the greenhouse.

Tags

NGSS.MS-LS1-5

NGSS.MS-PS3-3

What is the temperature of the water in the glass just after the ice cube melts?

• 0°C

• between 0°C and 28°C

• 28°C

• greater than 28°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What causes your skin to feel warm when it is in the sun on a summer day?

• Particles in the atmosphere reflect energy from the Sun downward.

• Hot particles from the Sun still carry some heat when they reach your skin.

• The solar wind carries heated air from the Sun’s atmosphere to Earth’s surface.

• The Sun radiates energy that passes through space and the atmosphere to your skin.

On very hot days, animals will often find a patch of dirt on the ground to lay in to keep cool. Which best explains how laying on the ground and dirt keeps the animal cool?

• The coolness from the ground is transferred to the animals body, lowering the

  animals body temperature.

• Dirt on the ground protects the animal from the heat in the air, lowering the animal's

  body temperature.

• The animal's body temperature does not change, but the dirt makes the animal feel

  cooler.

• Heat from the animals body is transferred to the ground, lowering the animal's body

  temperature.

Tags

NGSS.MS-PS3-5

Which best exemplifies how heat is transferred by conduction?

• fire warming a house

• coals in a grill heating food

• sunlight warming the ground

• metal coils on a stove heating a pan of bacon

Tags

NGSS.MS-PS3-3

In the picture, which letter shows where convection is taking place?

• A

• B

• C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What form of energy transfer is taking place in the picture?

• radiation

• convection

• conduction

• condensation

Which best describes what is occurring when a fire in a fireplace warms a boy sitting across the room?

• Heat is transferred from the fire to the boy by convection.

• Heat is conducted through air to the boy.

• Heat is conducted through the floor to the boy.

• Heat radiates through the air to the boy’s skin.