Round 1
Round 2
Round 3
100

How many planets are there in our solar system?

8

100

What is the biggest planet?

Jupiter.

100

What is the smallest planet?

Mercury

200

True or false: the sun is a star, not a planet.

True.

200

Is Venus hotter than Mercury?

Yes. It is the hottest planet.

200

Which are the coldest planets? (Hint: there are three, and they are the furthest away from the sun).

Saturn, uranus and neptune

300

This planet has rings of rock and ice.

Saturn.
300

The earth spins on its axis. What is the word for this?

Rotation.

300

The earth takes one year to orbit around the sun. What is the word for this?

Revolution

400

What is the closest planet to the sun?

Mercury.

400

True or false: the earth is perpendicular to (90 degrees from) the sun.

False. It tilts away from the sun!

400

In summer, the days are ____ and it is ____ compared to winter.

Longer and hotter.
500

What is the furthest planet from the sun?

Neptune.

500

Give the names of all eight planets.

Any from: Mercury, venus, earth, mars, jupiter, saturn, uranus, neptune

500
At what angle does the earth tilt at?

23.5 degrees

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