Grade 8 Biology Worksheet: The Solar System

Solar System Short Answer

Grade 8 Biology Solar System Short Answer Easy 40 Questions 7 Views

Classroom Worksheet

Grade 8 Biology Worksheet: The Solar System

Solar System Short Answer

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Grade: Grade 8

Subject: Biology

Topic: Solar System

Time: 20 Minutes

Difficulty: Easy

Questions: 40

Instructions:
Answer each question in a short sentence or phrase. Start with the easiest questions and work carefully through the worksheet. Write neatly and use complete ideas when needed.

Skills Practiced:

Solar System
Biology
Critical Thinking
Problem Solving

1Question

What is the Solar System?

2Question

What is the center of the Solar System?

3Question

What is the name of the path a planet follows around the Sun?

4Question

What force keeps planets in orbit around the Sun?

5Question

How many planets are in our Solar System?

6Question

Which planet is closest to the Sun?

7Question

Which planet is farthest from the Sun?

8Question

What do we call the natural object that orbits Earth?

9Question

Which planet do we live on?

10Question

What is the brightest star in our sky?

11Question

Name one planet that is larger than Earth.

12Question

Name one planet that is smaller than Earth.

13Question

What is a planet?

14Question

What is a satellite?

15Question

What do we call the path Earth takes around the Sun?

16Question

How long does Earth take to orbit the Sun once?

17Question

How long does Earth take to spin once on its axis?

18Question

What causes day and night on Earth?

19Question

What is the axis of a planet?

20Question

What is the name of the group of planets closest to the Sun?

21Question

Name the four inner planets.

22Question

What are the four outer planets?

23Question

Which planet is known for its rings?

24Question

Which planet is known as the Red Planet?

25Question

Which planet is the largest in the Solar System?

26Question

What is a moon?

27Question

What is a dwarf planet?

28Question

Name one dwarf planet in our Solar System.

29Question

What is an asteroid?

30Question

What is a comet?

31Question

Where is the asteroid belt located?

32Question

What are the planets made of: solid rock, gas, or both?

33Question

Why is Earth able to support life?

34Question

Why is Mars colder than Earth?

35Question

Why is Mercury very hot during the day and very cold at night?

36Question

What is the atmosphere?

37Question

How does the Sun help living things on Earth?

38Question

What do scientists use to study objects in space from Earth?

39Question

What is the term for the time it takes a planet to complete one orbit?

40Question

How is the Solar System important to life on Earth?

Answer Key

#	Answer
1	The Sun and all the objects that move around it.
2	The Sun.
3	An orbit.
4	Gravity.
5	Eight.
6	Mercury.
7	Neptune.
8	The Moon.
9	Earth.
10	The Sun.
11	Jupiter, Saturn, Uranus, or Neptune.
12	Mercury or Mars.
13	A large round object that orbits the Sun.
14	An object that orbits a planet.
15	Earth’s orbit.
16	About one year.
17	About one day.
18	Earth’s rotation.
19	An imaginary line it spins around.
20	The inner planets.
21	Mercury, Venus, Earth, and Mars.
22	Jupiter, Saturn, Uranus, and Neptune.
23	Saturn.
24	Mars.
25	Jupiter.
26	A natural satellite that orbits a planet.
27	A small round object that orbits the Sun but is not a full planet.
28	Pluto, Ceres, Eris, Haumea, or Makemake.
29	A small rocky object that orbits the Sun.
30	An icy object that orbits the Sun and can have a glowing tail.
31	Between Mars and Jupiter.
32	Both, depending on the planet.
33	It has water, air, and a suitable temperature.
34	It is farther from the Sun and gets less heat.
35	It has almost no atmosphere to hold heat.
36	The layer of gases around a planet.
37	It gives light and heat.
38	Telescopes.
39	Its year or orbital period.
40	It provides the Sun’s light and heat, which support life on Earth.