Solar System - Gravity and Inertia

A geocentric model of the solar system has all of the planets revolving around the Sun.

• True

• False

Which object is in the center of a geocentric system?

• The sun

• Earth

• A black hole

• A star

This diagram is a representation of a heliocentric system.

• True

• False

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Which object is in the center of a heliocentric system?

• The sun.

• Earth.

• The Milky Way.

• Heaven

Tags

NGSS.MS-ESS1-2

Who was responsible for using a telescope to find more evidence of the heliocentric model?

• Copernicus

• Kepler

• Galileo

• Newton

All planets in the solar system have an elliptical orbit.

• True

• False

Tags

NGSS.MS-ESS1-2

What would happen if the mass of the Sun was much, much greater?

• Planets would explode.

• Planets would drift off into space.

• Planets would be pulled in more.

• Nothing.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

As planets move closer to the sun, they slow down.

• True

• False

Tags

NGSS.MS-ESS1-2

What should be reduced to increase the gravitational force between any two objects in space?

• Mass

• Distance

• Mass and distance

• Size

Tags

NGSS.MS-PS2-4

Kepler mathematically determined that the orbits of the planets are

• circular.

• oval.

• elliptical.

• random.