Vocabulary: The Universe

A star is made of...

• rocks and water

• ice and oxygen

• clouds of gas and dust

What is an Orbit?

• an instrument to see the objects in space

• the paths an object in space takes while it moves

• a group of bright stars

An asteroid is...

• too small to form a planet

• the brightest star in sky

• a type of satelite

How many planets (including the Earth) are in our Solar system?

• 8

• 9

• 10

The closest planet to the sun is...

• Venus

• Mars

• Mercury

A famous comet that visits the Earth every 75-76 years is called...

• Harley

• Halley

• Huxley

A comet is made of...

• gas and ice

• gas and water

• gas and stardust

A constellation is a group of...

• planets

• asteroids

• stars

What dwarf planet used to be considered a planet?

• Uranus

• Neptune

• Pluto

What planet is the largest in our solar system?

• Mars

• Earth

• Jupiter