GED Test (High School Equivalency) · Science

Earth and Space Science

12 practice questions, each with the answer and an explanation.

Practise Earth and Space Science now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 12 questions

  1. What type of boundary forms when two tectonic plates move apart?
  2. What is the main gas responsible for the greenhouse effect from burning fossil fuels?
  3. Which type of rock is formed from cooled magma?
  4. Which instrument measures air pressure?
  5. Fossils are most commonly found in which type of rock?
  6. What causes the phases of the moon?
  7. What is the process by which rock is broken into smaller pieces by wind, water or ice?
  8. On the GED test, what causes the seasons on Earth?
  9. Which planet is closest to the sun?
  10. What is the main source of energy for Earth's weather?
  11. What is the layer of gases surrounding Earth called?
  12. Which layer of Earth is liquid and made mostly of iron and nickel?

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