Unit 5 Test Corrections

If you place an ice cube on the sidewalk during a hot summer day, how will the heat energy move?

• The coldness will move from the sidewalk to the ice cube.

• The coldness will move from the ice cube to the sidewalk.

• The heat will travel from the sidewalk to the ice cube.

• The heat will move from the ice cube to the sidewalk.

Mrs. Jones heats a piece of scrap metal to 100* C and placed it in a graduated cylinder of water which is 20* C. What will be the temperature of the scrap metal and water after 10 minutes?

• The water is 10 °C and the metal is 110 °C.

• The water is 40 °C and the metal is 40 °C.

• The water is 70 °C and the metal is 40 °C.

• The water is 100 °C and the metal is 70 °C.

You make a mug of hot chocolate, and you know that the cup of hot chocolate transfers thermal energy to the surrounding air. The heated air over your mug of hot chocolate expands, rises, and is replaced by cooler, denser, air. This method of energy transfer is known as what?

• convection

• condensation

• conduction

• radiation

What is radiation?

• The transfer of heat through electromagnetic waves

• A form of cancer treatment

• Waves moving in the ocean

• The sun heating the Earth

The energy to transfer water between the Earth's surface and the atmosphere comes from the —

• clouds

• ocean

• sun

• Wind

What is convection energy?

• Thermal Energy

• The heat transfer through fluids

• Water heating in a pot

• A bird flying over the ocean

What is an example of energy being added to water to change its state of matter?

• droplets collecting on the outside of a pan filled with cold water

• water being frozen into ice

• puddles of water evaporating during the day

• dew forming on grass during the evening

What type of energy transformation occurs by the uneven heating of the earth's surface.

• Conduction

• Convection

• Radiation

• Thermal Energy

If you put a metal spoon in a cup of hot tea, the handle of the spoon becomes hot due to which process?

• convection

• condensation

• conduction

• radiation

When you heat a pot of water on the stove, the heat energy is transferred from the stove to the pot of water through which process?

• convection

• condensation

• conduction

• radiation