Earth Science Homework Practice: Space

Space Homework Practice

College Earth Science Space Homework Practice Easy 20 Questions 12 Views

Classroom Worksheet

Earth Science Homework Practice: Space

Space Homework Practice

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Grade: College

Subject: Earth Science

Topic: Space

Time: 20 Minutes

Difficulty: Easy

Questions: 20

Instructions:
Directions: Answer each question in complete sentences or with the best choice. Work from the first question to the last. The questions start with basic facts and become a little more challenging as you go.

Skills Practiced:

Space
Earth Science
Critical Thinking
Problem Solving

1Question

What is the name of the force that keeps planets in orbit around the Sun?

2Question

Which object is the center of our solar system?

3Question

What do we call a group of stars that forms a pattern in the sky?

4Question

Which planet is known as the Red Planet?

5Question

What is the name of the natural satellite that orbits Earth?

6Question

What is one reason the Moon appears to change shape over the course of a month?

7Question

What is the term for the path an object follows as it moves around another object in space?

8Question

How long does Earth take to complete one orbit around the Sun?

9Question

What is the name of the path the Earth follows as it rotates?

10Question

What causes day and night on Earth?

11Question

What is the term for a large collection of stars, gas, and dust held together by gravity?

12Question

What is the name of our galaxy?

13Question

What is a meteor?

14Question

What is the difference between a meteor and a meteorite?

15Question

What is a comet mainly made of?

16Question

Why do comets develop a tail when they get close to the Sun?

17Question

What is the name for the scientific study of stars, planets, and other objects in space?

18Question

Why does the Sun look larger and brighter than other stars in the night sky?

19Question

What is the main difference between a star and a planet?

20Question

In one or two sentences, explain why seasons happen on Earth.

Answer Key

#	Answer
1	Gravity.
2	The Sun.
3	A constellation.
4	Mars.
5	The Moon.
6	We see different amounts of the Moon’s sunlit side as it orbits Earth.
7	An orbit.
8	About 365 days, or one year.
9	Earth rotates on its axis.
10	Earth’s rotation on its axis.
11	A galaxy.
12	The Milky Way.
13	A small piece of rock or metal that burns up in Earth’s atmosphere.
14	A meteor burns in the atmosphere; a meteorite reaches Earth’s surface.
15	Ice, dust, and rock.
16	Heat from the Sun causes ice and dust to vaporize and form a tail.
17	Astronomy.
18	Because it is much closer to Earth than other stars.
19	A star produces its own light and energy, while a planet reflects light from a star.
20	Seasons happen because Earth’s axis is tilted as it orbits the Sun, changing the angle and amount of sunlight different places receive.