Solar System - SciOly

Where do asteroids collect in the Solar System?

• between Earth and Mars
• Between Mercury and Venus
• Between Mars and Jupiter
• Near Pluto

A small rock from space that has hit the Earth's surface

• Meteoroid
• Asteroid
• Comet
• Meteroite

An icy ball of dust and gas

• Comet
• Asteroid
• Meteor
• Planetesimal 

A small rock from space that has entered Earth's atmosphere ("a shooting star")

• Asteroid
• Comet
• Meteor
• Meteorite

Every body in the universe is attracted to every other body in the universe. What factor does not affect the strength of this force?

• Mass of the objects
• Distance between those objects
• Speed of those objects

Where did most of the matter in the early solar system go?

• The sun
• The inner planets
• The outer planets
• The Oort cloud

Which is not a rocky inner planet?

• Mercury
• Earth
• Jupiter
• Mars

Which is not a gassy outer planet?

• Mercury
• Jupiter
• Saturn
• Uranus

One complete rotation of the earth =

• Year
• Day
• Month
• Week

Describe the shape of earth’s orbit

• Elliptical
• Round
• Rectangular
• The sun revolves around the Earth