Materials from Earth and Celestial Bodies

Where do most of the materials we use on Earth come from?

• The Moon

• The Sun

• The Earth's rocks

• Outer space

Which of these materials is obtained from rocks?

• Oil

• Natural gas

• Metals

• All of the above

What are rocks that contain valuable metals called?

• Fossils

• Ores

• Crystals

• Sediments

How is natural gas formed?

• From cooling lava

• From the decay of plants and animals over millions of years

• By mixing water with rocks

• By breaking down metals

Which of the following is a material commonly found in rocks?

• Plastic

• Glass

• Granite

• Paper

Which of the following metals is extracted from rocks?

• Gold

• Silver

• Iron

• All of the above

How are rocks important to human life?

• They provide building materials

• They are a source of energy resources

• They contain valuable metals and minerals

• All of the above

Which of these materials is NOT derived from Earth's rocks?

• Coal

• Wood

• Aluminum

• Oil

How do humans extract useful materials from rocks?

• By boiling them

• By mining and refining

• By freezing them

• By exposing them to sunlight

Which of the following materials come from rocks?

• Oil

• Gold

• Salt

• All of the above