meteoroids and comets

What are small pieces of metal or stone that enter Earth's atmosphere called?

• Planets

• Comets

• Meteoroids

• Asteroids

What do we call the streak of light produced when a meteoroid burns up in the atmosphere?

• Meteorite

• Comet

• Meteor

• Asteroid

What is the term for the remaining matter after a large meteoroid strikes the Earth?

• Comet

• Asteroid

• Meteorite

• Meteor

What is the name of the icy object that travels around the Sun in an elliptical orbit?

• Planet

• Comet

• Meteor

• Asteroid

How often is Halley's Comet visible from Earth?

• Every 10 years

• Every 50 years

• Every 100 years

• Every 75 to 79 years