PS.6 and PS.7 Energy and Thermal Energy 2019 Part B

The direct transfer of heat from one object to another through touching is called

• Convection

• invection

• Radiation

• Conduction

Which energy transformation occurs FIRST in a coal-burning power plant?

• Thermal energy to electrical energy

• mechanical energy to electrical energy

• Thermal energy to mechanical energy

• Chemical energy to thermal energy

This picture shows a radiometer. It is designed to be placed in a sunny window. One side of each thin blade of the radiometer is painted black, and the other side is painted white. The Sun’s rays strike the blades, and the device begins to spin. The device is powered by which kind of energy?

• electrical

• Geothermal

• Wind

• Solar

Which of the followin g is a nonrenewable energy source?

• Wind turbine

• Solar collector

• Hydroelectric generator

• Fossil fuel

What is the source of radiation in the picture?

• The pan

• The hand

• The fish

• The fire

Which temperature scale(s) do scientists use?

• Celsius and Fahrenheit

• Scientists do not use any of these temperature scales.

• Kelvin and Fahrenheit

• Celsius and Kelvin

Identify each example of a renewable energy source.

• Petroleum

• Natural gas

• Coal

• Wind

Two sources of energy that are renewable and available in Virginia are

• Coal and hydropower

• Wind power and solar power

• Petroleum and solar power

• Natural gas and wind power

Fossil fuels such as gas, oil, and coal have what kind of energy

• electrical energy

• Nuclear energy

• Chemical energy

• mechanical energy

If the boy in the picture jumps off the diving board, what energy conversion will take place?

• kinetic to potential

• Thermal to kinetic

• Electrical to light

• Potential to kinetic