Show:
Earth and Space Systems
Size and Distance of Planet
Gravity-Hold Me Down!
Revolution and Rotation
All Mixed Up!Planet Riddles
100

The only planet in our solar system capable of supporting life.

What is Earth?

100
This planet is found closest to the sun. You can also find me in a thermometer.
What is Mercury?
100
I am the force that holds the planets in orbit around the sun. May the force be with YOU!
What is Gravity?
100

This measurement of time represents one complete revolution of Earth.

What is a year?

100
I the planet that everyone calls "Red". My soil is rust-colored instead. Look up and you may spot me in the sky.
What is Mars?
200
The sun, moon, planets, asteroids, and comets all make up our -
What is the Solar System?
200
I use to be number nine, now they call me a dwarf planet.
What is Pluto?
200

Gravity acts on every object with __________.

What is mass or energy?

200
Earth spinning on its axis is called_
What is a rotation?
200
With over 63 moon, you might say I have a lot. Look with a telescope to see my big, red spot.
What is Jupiter?
300

The outer planets are primarily made up of this type of matter.

What is gas?

300
This planet has hundreds of rings made of chunks of ice and rock. I am the 7th planet.
What is Uranus?
300

Gravity is responsible for keeping the planets in this type of motion around the sun.

What is an orbit?

300

This is the shape of the orbital path of planets around the sun.

What is an ellipse?

300

I'm blue and green and a little brown. I am a small planet with life all around. They call me the 3rd rock from the sun.

What is Earth?

400

A natural satellite that orbits all planets except Mercury and Venus is called the -

What is a moon?

400
The second largest planet in the solar system is called-
What is Saturn?
400

The "Theory of Gravity" was published by this Scientist in 1687.

Who is Isaac Newton?

400

The Earth-centered model was the popular and generally accepted view of the solar system until the invention of this device.

What is a telescope?

400
A gas planet that's off in the distance, only recently they found my rings in existence. I spin sideways.
What is Uranus?
500
Mercury,Venus, Earth, Mars
What are the Inner planets?
500
Name the planets in order from the sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
500

We are the main cause of tides on Earth.

What is the gravitational pull of the moon?

500

I was an Italian scientist who first used the telescope to study the sky. I identified moons orbiting Jupiter, challenging the belief that everything revolved around the Earth in the year 1609.

What is Galileo?

500
Name for the Roman god of the Sea. Look past Saturn and Uranus for me. I am the planet known as-
What is Neptune?