Level: JHS, Basic 8 | Subject: Integrated Science | Strand: Systems | Topic: The Solar System (Outer Planets)
Read the summary notes first, then try these questions. Go back to the summary notes for this topic.
Part A has 20 tick-box questions. Part B has 5 essay questions with a marking guide at the bottom.
Test Yourself: 20 Objective Questions
Tick one answer for each question, then press Review answer. If your answer is wrong, it will be marked first, then the correct answer will show in green.
1. Which of these is an outer planet?
2. The four outer planets are
3. The largest planet in the solar system is
4. The planet famous for its bright rings is
5. The farthest planet from the Sun is
6. Jupiter and Saturn are called gas giants because they are made mostly of
7. Uranus and Neptune are called ice giants because they contain a lot of
8. The Great Red Spot is found on
9. Which planet spins on its side?
10. Which gas gives Uranus its blue-green colour?
11. Compared with the inner planets, the outer planets are
12. Compared with the inner planets, the outer planets are
13. The inner planets are mostly made of
14. The asteroid belt lies between
15. Outer planets take a very long time to go round the Sun because
16. About how long does Jupiter take to go round the Sun once?
17. Which statement about the outer planets is TRUE?
18. Which of these is a dwarf planet?
19. A ball of ice and dust with a long path round the Sun is a
20. Moons go round
Essay Questions
- (a) Name the four outer planets in order from the Sun. (b) Which two are called gas giants? (4 marks)
- State five differences between the inner planets and the outer planets. (5 marks)
- Why do the outer planets take a very long time to go round the Sun? (3 marks)
- Write two facts each about Jupiter and Saturn. (4 marks)
- Explain the difference between a planet, a moon and a comet. (3 marks)
Essay Questions: Marking Guide for Teachers and Parents
- (a) Jupiter, Saturn, Uranus, Neptune (2). (b) Jupiter and Saturn (2).
- Any five differences (1 mark each): size, make-up, distance from the Sun, temperature, number of moons, rings, time for one orbit.
- They are very far from the Sun, so their path is very long (1). The pull of the Sun is weaker there, so they move slowly (1). Example: Jupiter takes about 12 Earth years and Neptune about 165 Earth years (1).
- Jupiter: largest planet, Great Red Spot, made of hydrogen and helium, many moons (any two, 1 mark each). Saturn: bright rings of ice and rock, very light for its size, second largest (any two, 1 mark each).
- A planet goes round the Sun (1). A moon goes round a planet (1). A comet is a ball of ice and dust with a long path round the Sun (1).
Education Always (education.inspiringalways.com). Original practice questions, not official WAEC or BECE questions.

