Practice Test Geeks(CAEC) Canadian Adult Education Credential Practice Test
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Earth and Space Science Flashcards

7 cards from real CAEC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Earth and Space Science flashcards as text

  1. What causes the seasons on Earth?

    Answer: The tilt of Earth's axis as it orbits the Sun

    Earth's 23.5° axial tilt changes the angle and duration of sunlight through the year.

  2. During which lunar phase can a solar eclipse occur?

    Answer: New moon

    A solar eclipse requires the Moon to be between Earth and the Sun, which happens at new moon.

  3. Why do coastal areas experience two high tides roughly every 24 hours and 50 minutes?

    Answer: Earth rotates through two tidal bulges created mainly by the Moon's gravity

    The Moon's gravity creates bulges on the near and far sides of Earth, and Earth rotates through both.

  4. Which statement best describes a light-year?

    Answer: The distance light travels in one year

    A light-year is a unit of distance, about 9.46 trillion kilometres.

  5. What is the main source of the Sun's energy?

    Answer: Nuclear fusion of hydrogen into helium

    In the Sun's core, hydrogen nuclei fuse into helium, releasing enormous energy.

  6. Why do the inner planets (Mercury, Venus, Earth, Mars) have rocky surfaces while the outer planets are mostly gas?

    Answer: High temperatures near the young Sun allowed only rock and metal to condense

    Close to the Sun it was too hot for ices and gases to condense, so rocky materials dominated.

  7. The northern lights (aurora borealis) are caused by:

    Answer: Charged particles from the Sun interacting with gases in Earth's upper atmosphere

    Solar wind particles guided by Earth's magnetic field excite atmospheric gases, which emit light.

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Sources & references

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  1. ilc.org — Eligibility, fees, retake fee · verified Oct 2026
  2. gov.nl.ca — Eligibility, fees, retake policy · verified Oct 2026
  3. ece.gov.nt.ca — Eligibility · verified Oct 2026
  4. edu.gov.mb.ca — Eligibility, fees, registration deadline, retake fee, retake policy, test dates · verified Oct 2026
  5. alberta.ca — Test delivery, passing score, registration, retake policy, score release, score validity, exam format, fees · verified Oct 2026
  6. saskatchewan.ca — Eligibility · verified Oct 2026