Planets & The Solar System
Space Objects
The Moon & Earth
Space Exploration & Technology
100
Which planet is known for its large rings?

Saturn

100

What do we call a large system of stars, gas, and dust?

A Galaxy

100

What is Earth’s natural satellite?

The Moon

100

What is a machine sent into space without astronauts called?

A space probe

200

What type of planets are Mercury, Venus, Earth, and Mars?

Terrestrial/rocky/inner planets

200

What is the name of our galaxy?

The Milky Way

200

What moon phase happens when the Moon looks completely bright?

Full Moon

200

What is the name of the station where astronauts live in space?

The International Space Station

300

What force keeps planets moving around the Sun?

Gravity

300

Where is the asteroid belt located?

Between Mars and Jupiter

300

What moon phase happens when the Moon looks completely bright?

Earth's Tilt

300

Name one job artificial satellites help humans do.

Communication, GPS/navigation, weather tracking, Earth observation, etc.

400

Name the planets in order between Earth and Saturn.

Mars and Jupiter

400

What is the difference between a meteroid and a comet?

Meteoroids are small rocks/metal pieces; comets are ice, gas, dust, and rock.

400

If Canada is having summer, is the Northern Hemisphere tilted toward or away from the Sun?

Toward the sun

400

Which famous Canadian astronaut lived on the ISS?

Chris Hadfield

500

Why are the outer planets sometimes called gas giants?

They are mostly made of gases and are very large.

500

Why is Pluto called a dwarf planet instead of a planet?

It does not clear its orbital path.

500

Why do places near the equator usually stay warm all year?

They receive more direct sunlight year-round.

500

A satellite is orbiting Earth. Why doesn’t it fall straight down to Earth even though gravity is pulling on it?

Because it is moving forward fast enough that gravity pulls it around Earth instead of straight down.

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