Planets
The North Star
Earth’s Motion
Space Tools
Key Words
100

Which planet is closest to the sun?

Mercury 

100
If you are facing the North Star what direction is behind you?

South

100

How long does it take for the Earth to complete one 360° turn?

24 hours 

100

This object is used to make distant objects appear larger and closer, more than binoculars

A telescope 

100

Describe what a constellation is 

A group of stars that form a pattern

200

What is the smallest planet in our solar system other than Pluto?

Mercury 

200

What is the scientific name for the North Star?

Polaris 

200

Which season are days longer than nights?

Summer 

200

These objects orbit Earth and sends back signals or pictures 

Satellites 

200

What is the purpose of the sun?

To provide light and heat 

300

Which planet has the most moons?

Saturn with 140 moons 

300

What constellation is the North Star apart of?

The Ursa Minor 

300

What is it called when Earth spins on its axis?

Rotation 

300

This is the name of the force that pulls rockets back toward Earth

Gravity 

300

What are celestial objects?

Things in the sky, such as stars, planets, the Moon, and comets

400

Which planet has an invisible ring?

Uranus 

400

Why is the North Star important for travellers?

To find direction and tell time 

400

What does the sun produce that could be harmful to our eyes?

UV rays 

400

This robot has wheels and explores planets like Mars

A rover 

400

What is the only natural satellite that orbits planets?

The Moon

500

Which planet has the largest canyon ever known?

Mars 

500

What object can you use to tell time with the North Star?

A Star clock

500

What direction does Earth spin?

East to West

500

This is what helps rockets move forward in space even without air

Thrust 

500

What is the term for all matter and space as a whole?

The Universe