revision g4

What is NOT a renewable energy source?

• coal

• wind

• solar

• water

Which is NOT a non-renewable energy source?

• coal

• oil

• wind

• gas

Sound is a kind of energy that travels in ..............

• waves

• current

• group

A group of friends gather around a fire to stay warm.

• conduction
• convection
• radiation

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder

• Colder to hotter

• Hotter to hotter

• Colder to colder

The handle of a metal spoon warms up when it is placed in a hot bowl of soup because of

• Convection

• Conduction

• Radiation

• insulation.

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

Solar Energy is transferred to _____ Energy.

• Mechanical
• Solar
• Sound
• Electrical

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

What energy is given off when a cell phone rings?

• Sound Energy
• Gravitational Energy
• Thermal Energy
• Nuclear Energy