Which of the following statements is true about the Earth-Centered Model?

• The Sun is at the center and planets revolve around it.

• The Sun, Planets, Stars, and the Moon revolve around the Earth.

• The Earth revolves around the Sun.

• The Moon is at the center of the universe.

Tags

NGSS.MS-ESS1-1

Sun-Centered Model (Heliocentric): Which scientist proposed that planets revolve around the Sun?

• Aristotle

• Copernicus

• Newton

• Plato

Tags

NGSS.MS-ESS1-1

Who observed Jupiter’s Moon and the phases of Venus, supporting the Sun-Centered Model?

• Copernicus

• Galileo

• Newton

• Plato

Who determined that gravity held the planets in place and used a mathematical equation to describe gravitational forces?

• Copernicus

• Galileo

• Newton

• Aristotle

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

As the nebula collapsed, what formed in the center? What happens to it?

• The sun formed at the center and became hot.

• A planet formed at the center and became cold.

• An asteroid belt formed at the center and became rocky.

• A black hole formed at the center and became dense.

Tags

NGSS.HS-ESS1-1

In order to be a planet, what must it orbit?

• It must orbit a star (for us, the Sun).

• It must orbit a moon.

• It must orbit an asteroid.

• It must orbit a comet.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

In order to be a planet, what shape must it have?

• It must have a nearly spherical (round) shape.

• It must have a triangular shape.

• It must have a flat, disc-like shape.

• It must have a cube-like shape.

In order to be a planet, what must its gravity have done?

• Its gravity has cleared away most other objects of a similar size near its orbit around the Sun. (It is the biggest object in its orbit.)

• Its gravity has caused it to spin rapidly on its axis.

• Its gravity has attracted all the asteroids in the solar system.

• Its gravity has made it the hottest object in the solar system.

Where is the Asteroid Belt located?

• Between Mars & Jupiter

• Between Earth & Mars

• Between Jupiter & Saturn

• Between Venus & Earth

Which of the following is a general characteristic of inner planets?

• Gaseous

• Rocky

• Many moons

• Less dense