Energy Sources and Their Impact

A bottle is placed on the table what will be the K.E of the bottle?

• 0

• 1

• -1

What type of energy is produced when clouds collide each other and thunderstorm is formed?

• Sound energy and chemical energy

• Electrical energy and sound energy

• Electrical energy and sound energy and chemical energy

• Chemical energy, electrical energy and sound energy

Which of the following is a disadvantage of using fossil fuels?

• They are abundant and easily available.

• They are non-renewable and contribute to pollution.

• They are a clean source of energy.

• They are a renewable source of energy.

Which of the following is a renewable energy source?

• oil

• coil

• nuclear

• geothermal

Heat is type of energy?

• True

• False

Which sector of society uses the most energy?

• residential

• industry

• transport

• commerce

Solar, biomass, geothermal, wind, and hydropower energy are all renewable sources of energy. They are called renewable because they

• are clean and free to use

• can be converted directly into heat and electricity

• can be replenished by nature in a short period of time

• do not produce air pollution

Fossil fuels include:

• coal

• Natural gas

• petroleum

• all of the above

Compared to fluorescent bulbs, incandescent light bulbs:

• use less energy

• use the same amount of energy

• use more energy

• are always brighter and last longer

When energy is converted in everyday processes (like in machines or appliances), which of the following forms of energy is usually produced as a byproduct?

• Motion

• Light

• Heat

• Sound