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Our Solar System - What Do We Know?

Total questions: 20

Worksheet time: 53mins

Name
Class
Date
1.

Which is the largest object in our solar system?

a)

Sun

b)

Earth

c)

Jupiter

d)

Pluto

2.

How many days does it take the Earth to revolve around the Sun?

a)

30 days

b)

100 days

c)

365 days

d)

40 days

3.

Why does the sun seem to change position in the sky?

a)

Earth's rotation

b)

The Sun's rotation

c)

Earth's orbit

d)

The Sun's orbit

4.

Where do most astronauts conduct their experiments?

a)

In a space station

b)

In a space capsule

c)

In outer space

d)

In a rocket ship

5.

Which list shows the correct order of planets from the sun?

a)

Mars, Venus, Earth, Saturn

b)

Mercury, Venus, Earth, Mars

c)

Earth, Mars, Venus, Jupiter

d)

Uranus, Jupiter, Neptune, Saturn

6.

Identify features of Earth. Which three answers are correct?

a)

Earth is made of 75% water

b)

Earth is a gaseous planet

c)

Earth is the third

d)

Earth has life form

7.

Which planet in our solar system is closest to the Sun?

a)

Earth

b)

Mercury

c)

Jupiter

d)

Saturn

8.

Do planet year lengths get longer or shorter the further away from the sun that they are?

a)

Longer

b)

Shorter

9.

Which of the following are common items used in daily life that were originally created as space technology? Choose all that apply.

a)

‘Space blankets’ found in first aid kits

b)

Scratch resistant sunglasses lenses

c)

Memory foam used to make beds and pillows more comfortable

d)

Air purifiers used to clean indoor air

e)

Wireless headsets/headphones

10.

What four planets are gas planets?

a)

Mercury, Venus, Earth, Mars

b)

Neptune, Uranus, Earth, Jupiter

c)

Mercury, Venus, Jupiter, Saturn

d)

Jupiter, Saturn, Uranus, Neptune

11.

Which of the following is an accurate model of how the Sun, Earth and Moon move?

a)

Sun and moon orbit Earth

b)

Earth orbits the Sun and the moon orbits Earth

c)

Earth and moon orbit the Sun

d)

Earth and Sun orbit the Moon

12.

What are the rings of Saturn made of?

a)

Rocks and dust

b)

Ice crystals

c)

Stars

d)

Rock, frozen gases, ice crystal and water

13.

Which planet is the hottest?

a)

Earth

b)

Mercury

c)

Venus

d)

Neptune

14.

Click on the planets that are rocky.

a)

Earth

b)

Mars

c)

Neptune

d)

Saturn

e)

Venus

15.

What keeps a planet moving on its path around the Sun?

a)

Gravity and inertia

b)

Inertia and pressure

c)

Heat and pressure

d)

Gravity and heat

16.

All planets have the following characteristics EXCEPT…

a)

They rotate

b)

They have an atmosphere

c)

They revolve

d)

They have elliptical orbits

17.

The Sun is at the centre of our solar system. All the planets in the solar system orbit around the Sun. Which of the following planets has the longest orbit?

a)

Mercury

b)

Saturn

c)

Earth

d)

Neptune

18.

What do Jupiter, Saturn, Uranus and Neptune have in common?

a)

They all have rocky surfaces

b)

They all are gaseous planets

c)

They all appear to be similar to Earth

d)

They all appear to be made of rock and ice

19.

What did the astronauts collect from the moon to bring back to Earth?

a)

Clay and sand

b)

Sand and water

c)

Rocks and dirt

d)

Rocks and water

20.

What is an astronaut?

a)

Someone who builds rockets

b)

A person who is specially trained to travel to outer space

c)

A person who fixes the space shuttles