planets
the sun
moons
asteroids, comets, meteors
misc
100
This is the planet that is closest to the sun.
What is Mercury?
100
The sun is the center of this system.
What is the solar system?
100

The moon is a natural type of this that revolves around a bigger object.

What is a satellite?

100

a streak of light produced burning of a meteoroid in Earth's atmosphere

What is the new meteor?

100

scientists believe dense rock is at the center of these

What are gas giants?

200
This is the 3rd planet from the sun.
What is earth?
200
The sun is a type of this gas sphere that gives off light and heat.
What is a star?
200

These are hollow pits on the surface of the moon.

What are craters?

200

a loose collection of ice, dust, and small rocks with a narrow, long ellipse

What is a comet?

200

Put the objects found in the solar system in the correct order of their relative distance from the Sun, starting at the Sun and moving out.

What is Mercury, Venus, Earth, Mars, Asteroid Belt, Jupiter, Saturn, Uranus, Neptune, Kuiper Belt, Oort Cloud?

300
This is what all the planets have in common?
What is "they revolve around the sun?"
300
It takes the earth 365 days to do this.
What is revolve (orbit) around the sun?
300

This planet has one moon

What is Earth?

300

Large rocky objects which revolve around the Sun between Mars and Jupiter . . .

What is an asteroid?

300

Johannes Kepler showed orbits of the planets this and not circular

What is elliptical or oval?

400
These are the rocky planets.
What is Mercury, Venus, Earth, and Mars?
400
This is how long it takes earth to complete one rotation.
What is 24 hours --or one day?
400

This planet has 2 moons.

What is Mars?

400

A chunk of rock or dust  in space (10 meters or smaller) broken off from a comet or asteroid . . .

What is a meteoroid?

400

The evidence Galileo provide that disproved the geocentric theory, thus supporting the heliocentric model.

What is 4 moons orbiting Jupiter and not Earth?

500
These are the gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
500

  This is how the sun affect the planets in the solar system.

What is -It's gravitational pull holds the planets in their orbits, creates weather patterns, ocean currents, and climate, and gives light and heat necessary for photosynthesis?

500

Planets that have no moons.

What are Mercury and Venus?

500

A meteoroid that passes through Earth's atmosphere and hits the Earth's surface . . .

What is a meteorite?

500

These have ice as a main part of their composition and those do not

What is the difference between comets and asteroids?