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100

I am the planet on which we live.

Earth

100

I am known as the “Red Planet”o or "Rusty Planet", and astronauts may be able to visit me one day.

Mars

100

This celestial body is the only planet known to have enough water and oxygen to support life.

Earth

100

What are stars made of?

Gas 

100

Why does the moon shine in the sky?

The Sunlight reflects off of the moon

200

I am the largest planet and have a big red spot, which is actually a storm.

Jupiter

200

I am called the dwarf planet. I used to be a planet, but now I am not. 

Pluto

200

This celestial body is the star that allows life to survive on Earth. It is made of gas and is the largest star in our solar system.

The Sun

200

Name one inner planet.

Mercury, Venus, Earth, or Mars

200

Why can't we visit the sun?

It is a burning ball of gas!!!

300

I am the planet with big, beautiful rings.

Saturn

300

This celestial body has phases names after how much is seen of it:  new, crescent, half, and full.

Moon

300

This celestial body was visited by astronauts from Earth.

The moon

300

Name one outer planet

Jupiter, Saturn, Uranus, Neptune

300

What do people use to fly into outer space?

Rocketships

400

I am a blue planet and the farthest from the sun.

Neptune

400

People call me Earth’s sister planet and the brightest planet, and I can be seen in Earth’s sky.

Venus

400

How many Earths can fit in the sun?

1 million

400

How long does it take for the Earth to rotate once on it's axis?

24 hours or 1 day

400

What do we have on earth that allows us to be pulled back down to the ground when we jump or move?

Gravity

500

I am the smallest planet and closest to the sun.

Mercury

500

I lie on my side and I’m the only planet other than Earth not named after a Roman god.

Uranus

500

How many days does it take the earth to orbit around the sun?

365

500

Why is there day and night on the earth?

The Sun rays and Earth's rotation

500

How many planets are there?

8- 4 inner and 4 outer