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Unit 2 Space Quiz

Total questions: 40

Worksheet time: 22mins

Name
Class
Date
1.

Which of the following is a characteristic of all planets?

a)

They all have rings.

b)

They all orbit a star.

c)

They all have moons.

d)

They all have atmospheres.

2.

What is the main difference between an experiment and other types of scientific investigations?

a)

Experiments do not require data collection.

b)

Experiments involve manipulating variables.

c)

Experiments are only conducted in laboratories.

d)

Experiments do not require a hypothesis.

3.

Identify Earth's position in the Solar System.

a)

First planet from the Sun

b)

Second planet from the Sun

c)

Third planet from the Sun

d)

Fourth planet from the Sun

4.

Which of the following objects is not part of a galaxy?

a)

Stars

b)

Comets

c)

Gas

d)

Dust

5.

Compare the atmospheres of inner and outer planets.

a)

Inner planets have thick atmospheres, outer planets have thin atmospheres.

b)

Inner planets have thin atmospheres, outer planets have thick atmospheres.

c)

Both have thick atmospheres.

d)

Both have thin atmospheres.

6.

Which of the following best describes a comet?

a)

A rocky body orbiting the Sun

b)

A celestial body with a tail of gas and dust

c)

A large body of gas emitting light

d)

A natural satellite orbiting a planet

7.

Plan a simple experiment to test the effect of sunlight on plant growth.

a)

Place plants in different locations and measure their growth over time.

b)

Observe plants in a garden.

c)

Read about plant growth in a book.

d)

Draw pictures of plants.

8.

Which of the following is a systematic observation?

a)

Watching birds in your backyard randomly

b)

Recording the number of birds visiting a feeder every hour

c)

Reading about birds in a book

d)

Drawing pictures of birds

9.

What is the primary component of a galaxy?

a)

Water

b)

Gas

c)

Soil

d)

Ice

10.

Which planet is known as the "Red Planet"?

a)

Venus

b)

Mars

c)

Jupiter

d)

Saturn

11.

Distinguish between an asteroid and a moon.

a)

Asteroids orbit planets, moons orbit the Sun.

b)

Moons orbit planets, asteroids orbit the Sun.

c)

Both orbit the Sun.

d)

Both orbit planets.

12.

Which of the following is a characteristic of outer planets?

a)

They are rocky.

b)

They have rings.

c)

They are smaller than inner planets.

d)

They have no moons.

13.

What is the primary difference between a comet and an asteroid?

a)

Comets are made of rock, asteroids are made of ice.

b)

Comets have tails, asteroids do not.

c)

Asteroids have tails, comets do not.

d)

Both have tails.

14.

Which of the following is a simple procedure to measure the temperature of water?

a)

Use a thermometer to record the temperature.

b)

Estimate the temperature by touch.

c)

Ask someone else for the temperature.

d)

Guess the temperature.

15.

Explain why the Milky Way is classified as a galaxy.

a)

It contains only stars.

b)

It contains gas, dust, and many stars.

c)

It is the largest object in the universe.

d)

It is the only galaxy with planets.

16.

Which of the following is a characteristic of inner planets?

a)

They are gaseous.

b)

They have solid surfaces.

c)

They have many moons.

d)

They have rings.

17.

Identify the main purpose of a scientific investigation.

a)

To prove a hypothesis

b)

To gather data and draw conclusions

c)

To entertain scientists

d)

To create new theories

18.

Which of the following best describes the Sun?

a)

A planet

b)

A star

c)

A moon

d)

An asteroid

19.

Plan a method to compare the sizes of different planets.

a)

Use a telescope to observe them.

b)

Create a scale model using different sized balls.

c)

Read about them in a book.

d)

Draw pictures of them.

20.

The name of our galaxy is...

a)

The Farm

b)

Galaxy War

c)

The Universe

d)

Milky Way

21.
How many galaxies are estimated to be in the universe?
a)
1
b)
1,000
c)
1 million
d)
Over 1 billion
22.

Which planet in our solar system is known for its rings?

a)

Mars

b)

Jupiter

c)

Saturn

d)

Neptune

23.

What is the center of our Solar System?

a)

Earth

b)

Mars

c)

The Sun

d)

The Moon

24.

What celestial body orbits the Earth?

a)

The Sun

b)

Mars

c)

The Moon

d)

Venus

25.

How many planets are in our solar system?

a)

7

b)

8

c)

9

d)

10

26.

Which planet is closest to the sun?

a)

Earth

b)

Venus

c)

Mercury

d)

Mars

27.

Jacob started creating a diagram to show some of the common characteristics of the planets in our solar system. Which characteristic should Jacob write in the empty circle of the diagram?

a)

Made mostly of gas

b)

has a rocky surface

c)

revolves around a star

d)

is a satellite of another planet

28.

Kayla wants to show Amy what happens during on Earth day. Kayla holds a small globe representing Earth, and Amy hold a large ball representing the Sun.

What should Kayla do to show Amy what happens during one Earth day?

a)

Kayla should move the globe in one complete circle around Amy

b)

Kayla should move the globe toward Amy and then away from her

c)

Kayla should slowly lift the globe above her head and then lower it

d)

Kayla should slowly spin the globe one complete time about its axis

29.

A(n) ____________________ is a scientist that studies stars, planets, and other objects in space.

a)

universe

b)

galaxy

c)

astronomer

d)

Milky Way

30.

VOCAB: A collection of billions of stars, nebulae, gases, dust, and planets.

a)

blue shift

b)

red shift

c)

galaxy

d)

Big Bang Theory

31.

What type of galaxy is the Milky Way?

a)

spiral

b)

barred

c)

irregular

d)

elliptical

32.

What do you call when all the planets in our solar system move

like this around the sun?

a)

spin

b)

rotate

c)

revolve

33.

Of all the outer planets, which one is the

largest in our solar system?

a)

Saturn

b)

Jupiter

c)

Neptune

34.

Which inner planet rotates once on

its axis every 24 hours?

a)

Earth

b)

Venus

c)

Mars

35.

Which planets have a rocky surface?

a)

Jupiter/Saturn

b)

Uranus/Neptune

c)

Mercury/Mars

36.

Which star is the closest to the Earth?

a)

North Star

b)

the Sun

c)

Polaris

37.

What is a small groups of stars that move across the

night sky from one season to the next?

a)

constellations

b)

galaxies

c)

nova

38.

What is the primary reason for the seasons on Earth?

a)

The shape of Earth's orbit

b)

The speed of Earth's rotation

c)

The tilt of Earth's axis

d)

The distance from the Sun

39.

Which planet is known as the 'Red Planet'?

a)

Venus

b)

Jupiter

c)

Mars

d)

Saturn

40.

What is the main component of the Sun?

a)

Oxygen

b)

Hydrogen

c)

Carbon

d)

Helium