Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Year 8 Earth Resources
0
%
0
0
0
Back
Restart
What is the raw material that plastics are made from?
Crude oil
Oops!
Okay!
What is the cathode?
The negative electrode
Oops!
Okay!
What is the word given to a resource that is not in danger of being used up?
Renewable
Oops!
Okay!
What is paper made from?
Trees
Oops!
Okay!
How are fossil fuels made?
Remains of dead organisms were buried under layers of sand. Heat and pressure turned the organisms into fossil fuels
Oops!
Okay!
How could you test a sample of water to see how much salt is dissolved in it?
Weigh a watch glass, evaporate the water, re-weigh the watch glass and calculate how much salt is left
Oops!
Okay!
What does the term pure mean in chemistry?
Something that only contains one element or compound
Oops!
Okay!
What is electrolysis?
Using electricity to split up a compound
Oops!
Okay!
What is the anode?
The positive electrode
Oops!
Okay!
When iron oxide reacts with carbon what will the products be?
Iron + carbon dioxide
Oops!
Okay!
Using an item again, but in a different way is called what?
Reusing
Oops!
Okay!
What is potable water?
What that is safe to drink
Oops!
Okay!
What is an electrolyte
A liquid that conducts electricity
Oops!
Okay!
What do we need to heat copper oxide with to extract copper metal?
Carbon
Oops!
Okay!
Which word means a resource that is in danger of being used up?
Non-renewable
Oops!
Okay!
Which metal is found in the Earth in it's native state (not bonded to any other elements)?
Gold
Oops!
Okay!
What is recycling?
Breaking the item down into its raw materials and turning it into something new
Oops!
Okay!
Using less of something to preserve our natural resources is called what?
Reducing
Oops!
Okay!
What process is used to extract metals from compounds when the metal is more reactive than carbon?
Electrolysis
Oops!
Okay!
Give an example of a renewable resource
Trees
Oops!
Okay!
What does the term impure mean?
When a substance is mixed with something else
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies