Quiz about Unit 2 Space Quiz

Question 1

Which of the following is a characteristic of all planets?

Accepted Answer

They all orbit a star.

Answer

They all have rings.

Answer

They all have moons.

Answer

They all have atmospheres.

Question 2

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

Accepted Answer

Experiments involve manipulating variables.

Answer

Experiments do not require data collection.

Answer

Experiments are only conducted in laboratories.

Answer

Experiments do not require a hypothesis.

Question 3

Identify Earth's position in the Solar System.

Accepted Answer

Third planet from the Sun

Answer

First planet from the Sun

Answer

Second planet from the Sun

Answer

Fourth planet from the Sun

Question 4

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

Accepted Answer

Comets

Answer

Stars

Answer

Gas

Answer

Dust

Question 5

Compare the atmospheres of inner and outer planets.

Accepted Answer

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

Answer

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

Answer

Both have thick atmospheres.

Answer

Both have thin atmospheres.

Question 6

Which of the following best describes a comet?

Accepted Answer

A celestial body with a tail of gas and dust

Answer

A rocky body orbiting the Sun

Answer

A large body of gas emitting light

Answer

A natural satellite orbiting a planet

Question 7

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

Accepted Answer

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

Answer

Observe plants in a garden.

Answer

Read about plant growth in a book.

Answer

Draw pictures of plants.

Question 8

Which of the following is a systematic observation?

Accepted Answer

Recording the number of birds visiting a feeder every hour

Answer

Watching birds in your backyard randomly

Answer

Reading about birds in a book

Answer

Drawing pictures of birds

Question 9

What is the primary component of a galaxy?

Accepted Answer

Gas

Answer

Water

Answer

Soil

Answer

Ice

Question 10

Which planet is known as the "Red Planet"?

Accepted Answer

Mars

Answer

Venus

Answer

Jupiter

Answer

Saturn

Question 11

Distinguish between an asteroid and a moon.

Accepted Answer

Moons orbit planets, asteroids orbit the Sun.

Answer

Asteroids orbit planets, moons orbit the Sun.

Answer

Both orbit the Sun.

Answer

Both orbit planets.

Question 12

Which of the following is a characteristic of outer planets?

Accepted Answer

They have rings.

Answer

They are rocky.

Answer

They are smaller than inner planets.

Answer

They have no moons.

Question 13

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

Accepted Answer

Comets have tails, asteroids do not.

Answer

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

Answer

Asteroids have tails, comets do not.

Answer

Both have tails.

Question 14

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

Accepted Answer

Use a thermometer to record the temperature.

Answer

Estimate the temperature by touch.

Answer

Ask someone else for the temperature.

Answer

Guess the temperature.

Question 15

Explain why the Milky Way is classified as a galaxy.

Accepted Answer

It contains gas, dust, and many stars.

Answer

It contains only stars.

Answer

It is the largest object in the universe.

Answer

It is the only galaxy with planets.

Question 16

Which of the following is a characteristic of inner planets?

Accepted Answer

They have solid surfaces.

Answer

They are gaseous.

Answer

They have many moons.

Answer

They have rings.

Question 17

Identify the main purpose of a scientific investigation.

Accepted Answer

To gather data and draw conclusions

Answer

To prove a hypothesis

Answer

To entertain scientists

Answer

To create new theories

Question 18

Which of the following best describes the Sun?

Accepted Answer

A star

Answer

A planet

Answer

A moon

Answer

An asteroid

Question 19

Plan a method to compare the sizes of different planets.

Accepted Answer

Create a scale model using different sized balls.

Answer

Use a telescope to observe them.

Answer

Read about them in a book.

Answer

Draw pictures of them.

Question 20

The name of our galaxy is...

Accepted Answer

Milky Way

Answer

The Farm

Answer

Galaxy War

Answer

The Universe

Question 21

How many galaxies are estimated to be in the universe?

Accepted Answer

Over 1 billion

Answer

1

Answer

1,000

Answer

1 million

Question 22

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

Accepted Answer

Saturn

Answer

Mars

Answer

Jupiter

Answer

Neptune

Question 23

What is the center of our Solar System?

Accepted Answer

The Sun

Answer

Earth

Answer

Mars

Answer

The Moon

Question 24

What celestial body orbits the Earth?

Accepted Answer

The Moon

Answer

The Sun

Answer

Mars

Answer

Venus

Question 25

How many planets are in our solar system?

Accepted Answer

8

Answer

7

Answer

9

Answer

10

Question 26

Which planet is closest to the sun?

Accepted Answer

Mercury

Answer

Earth

Answer

Venus

Answer

Mars

Question 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?

Accepted Answer

revolves around a star

Answer

Made mostly of gas

Answer

has a rocky surface

Answer

is a satellite of another planet

Question 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?

Accepted Answer

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

Answer

Kayla should move the globe in one complete circle around Amy

Answer

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

Answer

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

Question 29

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

Accepted Answer

astronomer

Answer

universe

Answer

galaxy

Answer

Milky Way

Question 30

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

Accepted Answer

galaxy

Answer

blue shift

Answer

red shift

Answer

Big Bang Theory

Question 31

What type of galaxy is the Milky Way?

Accepted Answer

spiral

Answer

barred

Answer

irregular

Answer

elliptical

Question 32

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

like this around the sun?

Accepted Answer

revolve

Answer

spin

Answer

rotate

Question 33

Of all the outer planets, which one is the

largest in our solar system?

Accepted Answer

Jupiter

Answer

Saturn

Answer

Neptune

Question 34

Which inner planet rotates once on

its axis every 24 hours?

Accepted Answer

Earth

Answer

Venus

Answer

Mars

Question 35

Which planets have a rocky surface?

Accepted Answer

Mercury/Mars

Answer

Jupiter/Saturn

Answer

Uranus/Neptune

Question 36

Which star is the closest to the Earth?

Accepted Answer

the Sun

Answer

North Star

Answer

Polaris

Question 37

What is a small groups of stars that move across the

night sky from one season to the next?

Accepted Answer

constellations

Answer

galaxies

Answer

nova

Question 38

What is the primary reason for the seasons on Earth?

Accepted Answer

The tilt of Earth's axis

Answer

The shape of Earth's orbit

Answer

The speed of Earth's rotation

Answer

The distance from the Sun

Question 39

Which planet is known as the 'Red Planet'?

Accepted Answer

Mars

Answer

Venus

Answer

Jupiter

Answer

Saturn

Question 40

What is the main component of the Sun?

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Carbon

Answer

Helium

Unit 2 Space Quiz

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