The Solar System

One astronomical unit (AU) is equal to the distance between Earth and the

• galaxy

• sun

• moon

• dwarf planet

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

The Greek word for "earth"

• Gree

• Eau

• Ge

• Cent

Ptolemy thought that the ______ was the center of the universe.

• black hole

• Earth

• sun

• moon

The system that says Earth and the planets revolve around the sun

• heliocentric

• geocentric

• circular

• ellipse

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Polish astronomer who created an arrangement of the planets and how they move around the sun

• Aristarchus

• Copernicus

• Kepler

• Galileo

Tags

NGSS.HS-ESS1-4

The oval shaped orbital path of the planets

• rotation

• revolution

• ellipse

• sphere

Tags

NGSS.MS-ESS1-2

The Greek word for "sun"

• Yelo

• Bri

• Helios

• Sunni

The outer planets are also called the

• big ones

• super planets

• gas giants

• gigantic rocks

The force that holds the solar system together

• temperature

• friction

• gravity

• magnetism

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What object is at the center of a geocentric system?

• Earth

• moon

• sun

• star