Gr 10_Energy Transfer & Resources

Electrical energy may be obtained from nuclear fission.

In which order is the energy transferred in this process?

What is the source of the Sun’s energy?

• chemical reactions in the Sun’s core

• nuclear fission in the Sun’s core

• nuclear fusion in the Sun’s core

Brakes are used to slow down a moving car.

Into which form of energy is most of the kinetic energy converted as the car slows down?

• chemical

• elastic

• thermal

• sound

Which device is designed to convert chemical energy into kinetic energy?

• an a.c. generator

• a battery-powered torch

• a car engine

• a wind-up mechanical clock

A tennis ball is dropped from position 1.

It falls vertically onto a hard surface at position 2.

Which energy changes have taken place between position 1 and position 2?

• gravitational potential → kinetic → chemical

• gravitational potential → kinetic → elastic (strain)

• kinetic → gravitational potential → chemical

• kinetic → gravitational potential → elastic (strain)

Which energy resource is not renewable?

• geothermal

• nuclear fission

• solar

• wind

What is the main process by which energy is released in the Sun?

• nuclear fission

• nuclear fusion

Which energy resource does not derive its energy from the Sun?

• geothermal

• hydroelectric

• oil

• waves

Which of the following are considered fossil fuels?

• Solar and wind

• Hydroelectric and geothermal

• Coal and oil

• Biofuels and tidal

How is wind power captured?

• Through solar cells

• Through hydroelectric dams

• Through wind turbines

• Through nuclear reactors