Fragile Earth unit assessment revision quiz

What are the three types of fossil fuels mentioned in the document?

• Coal, Petrol, and Oil

• Coal, Oil, and Natural Gas

• Coal, Bunsen Burners, and Power Stations

• Sand, Oil, and Mud

How did coal form according to the document?

• From the remains of animals and bacteria

• From fossilised plants compressed over millions of years

• From mud and sand compressed together

• From the energy stored in sunlight

What does the document state about the nature of fossil fuels?

• They are renewable energy resources

• They can be replaced once used

• They are finite energy resources

• They are mainly used in schools

Where did the energy stored in the fossil fuels originally come from?

• From Bunsen burners

• From power stations

• From sunlight

• From mud and sand

What do plants use from the Sun for photosynthesis to make their chemicals?

• Heat energy

• Light energy

• Electrical energy

• Kinetic energy

How is the stored chemical energy in plants transferred to animals?

• Through water consumption

• By animals eating the plants

• By animals absorbing sunlight

• Through osmosis

What happens to the chemical energy stored in fossil fuels when they are burned?

• It is lost completely

• It is converted to heat and light energy

• It remains unchanged

• It turns into magnetic energy

To produce electrical energy from fossil fuels, what must happen to the fuel?

• It must be frozen

• It must be dissolved in water

• It must be burned

• It must be exposed to sunlight

What is the sequence of energy conversion when producing electricity from fossil fuels?

• Chemical potential energy → Kinetic energy → Electrical energy

• Kinetic energy → Thermal energy → Electrical energy

• Thermal energy → Chemical potential energy → Electrical energy

• Electrical energy → Kinetic energy → Thermal energy

What are the waste products of burning fossil fuels that may harm the environment or people?

• Oxygen and hydrogen

• Carbon monoxide and helium

• Sulfur dioxide, nitrogen oxides, and carbon dioxide

• Methane and argon