The Solar System

Which astronomer created the optical telescope?

• Copernicus

• Ptolemy

• Kepler

• Galileo

Which astronomer introduced the Heliocentric model of the universe?

• Copernicus

• Ptolemy

• Kepler

• Galileo

Which astronomer introduced the geocentric model of the universe?

• Copernicus

• Ptolemy

• Kepler

• Galileo

Which astronomer explained the motion of the planets of our solar system completely?

• Copernicus

• Ptolemy

• Kepler

• Galileo

Tags

NGSS.HS-ESS1-4

In this model, the universe centers around the Earth.

• Geocentric

• Heliocentric

• Egocentric

Tags

NGSS.MS-ESS1-1

In this model, the universe centers around the Sun.

• Geocentric

• Heliocentric

• Egocentric

Tags

NGSS.MS-ESS1-1

The Sun makes up 99.8% of the _______ in the Solar System.

• mass

• weight

• friction

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

This is a rock that orbits the sun. Most of them are between Mars and Jupiter.

• Comet

• Asteroid

• Meteor

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

This is a streak of light when it enters Earth’s atmosphere. It is also known as a shooting star.

• Comet

• Asteroid

• Meteor

This is a chunk of rock and ice orbiting the sun. It often has a tail.

• Comet

• Asteroid

• Meteor