Earth's Resources

Question 1

Name two organic renewable sources.

Answer 1

Timber
Cattle
Olive oil
Wheat
Cotton
Grass

Question 2

Name two inorganic renewable resources.

Answer 2

Sunshine
Water
Wind
Oxygen

Question 3

Name two organic non-renewable resources.

Answer 3

Soil
Natural gas
Peat 
Coal
Diamond
Crude oil

Question 4

Name two inorganic non-renewable resources.

Answer 4

Iron ore
Gold
Uranium
Limestone
Sandstone
Granite
Slate

Question 5

Name the four layers of the earth and their states.

Answer 5

Crust - solid rock
Mantle - molten liquid rock
Outer core - molten liquid rock
Inner core - solid rock

Question 6

Name the three main rock categories.

Answer 6

Igneous
Sedimentary
Metamorphic

Question 7

Which ore is aluminium derived from?

Answer 7

Most aluminium is obtained from bauxite ore, which usually contains between 50% and 70% aluminium oxide. The worlds largest producer of bauxite is Australia which produces about 30% of all supplies; followed by China (20%) and Brazil (15%).

Question 8

State some of the uses of baryte.

Answer 8

-As a drilling fluid in oil and gas extraction. It suspends the rock cuttings and helps to carry these waste mining products up to the surface. Its non-magnetic properties also allow it to cool the drill bits.
-A filler in paints and plastics.
In ceramic and glass production as a brightening agent.
-As a white pigment in the production of textiles, paper and paint.
-In nuclear power as the baryte will block x-rays and gamma rays.
-As barium meals in the health sector. It shows up as white on an x-ray to help show any abnormalities.

Question 9

How can barium be mined?

Answer 9

Barium is extracted through open-cast mining.