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Which word means a resource that is in danger of being used up?
Non-renewable
Give an example of a renewable resource
Trees
Using less of something to preserve our natural resources is called what?
Reducing
How are fossil fuels made?
Remains of dead organisms were buried under layers of sand. Heat and pressure turned the organisms into fossil fuels
Using an item again, but in a different way is called what?
Reusing
What is paper made from?
Trees
What is the word given to a resource that is not in danger of being used up?
Renewable
What is the raw material that plastics are made from?
Crude oil
What is recycling?
Breaking the item down into its raw materials and turning it into something new
What do we need to heat copper oxide with to extract copper metal?
Carbon
Which metal is found in the Earth in it's native state (not bonded to any other elements)?
Gold
What process is used to extract metals from compounds when the metal is more reactive than carbon?
Electrolysis
What is the cathode?
The negative electrode
What is the anode?
The positive electrode
What is an electrolyte
A liquid that conducts electricity
What is electrolysis?
Using electricity to split up a compound
