Energy chains & Fossil fuels

The energy chain used to describe someone straightening their hair would be

• Electrical -> Heat

• Electrical -> Kinetic

• Chemical potential -> Heat

• Chemical potential -> Kinetic

Fossil fuels are a ____________ energy source

• Heat

• Renewable

• Non renewable

• Transformation

Renewable energy sources are

• Never available

• Rarely available

• Always available

• Sometimes available

An example of a renewable energy source is

• Fossil fuels

• Biomass

• Wind turbines

• Acid rain

These players ate a chicken sandwich before playing on the field. The basic energy chain is

• Chemical potential -> Kinetic

• Kinetic -> Heat

• Gravitational potential -> Kinetic

• Elastic potential -> Light

Non renewable energy sources are

• An example of energy transfers which occur only at certain times in the year

• Not replaced as they are used

• Replaced as they are used

• A form of energy

Fossil fuels are made from

• Coal

• Poor air quality

• Buried combustible geologic deposits of organic materials, formed from decayed plants and animals

• Excess carbon dioxide that hasn't been decomposed properly

The arrows in an energy chain diagram symbolise

• The energy transformation

• The amount of wasted energy

• There are no arrows

• The next series of events

The energy chain of a candle is

• Chemical -> Heat + Kinetic

• Electrical -> Heat + Kinetic

• Electrical -> Heat + Light + Sound

• Chemical -> Heat + Light + Sound

Heat energy is emitted from the sun. The plants grow through _______________

• Oxygen

• Photosynthesis

• Water coming from the soil

• Carbon dioxide