Earth Space Science Module 8 Our Solar System

What do you call a large, round body that revolves around the sun?

• Asteroid

• Comet

• Moon

• Planet

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

This object is rocky or metallic and revolves around the sun. Which object is this describing in the solar system?

• Asteroid

• Comet

• Moon

• Planet

Tags

NGSS.MS-ESS1-3

What is a component of the solar system that revolves around the sun and is made of ice, gas, rock, and dust?

• Asteroid

• Comet

• Moon

• Planet

Tags

NGSS.MS-ESS1-3

How is a planet different from a moon?

• A planet orbits around the sun, while a moon orbits around a planet.

• A planet orbits around a moon, while a moon orbits around the sun.

• A planet is dull, while a moon is bright and shiny with a bright tail behind it.

• A planet is made of rock, while a moon is made of ice, rock, gas, and dust.

What characteristic makes a star and a comet different from each other?

• A comet revolves around a star.

• A star is composed of gas.

• A comet is brighter than a star.

• A star has a bright tail behind it.

Identify Earth's position in the solar system relative to the sun.

• Earth is just after Neptune.

• Earth comes right before Mercury.

• Earth is after Venus but before Mars.

• Earth comes before Mars and is after Jupiter.

Two objects in the solar system are described below.

Object #1: This object is made of rock and orbits the sun.

Object #2: This object is made of rock and orbits a planet.

Which statement is true about the objects?

• Object #1 is an asteroid, and Object #2 is a moon.

• Object #1 is a moon, and Object #2 is a comet.

• Object #1 is a moon, and Object #2 is an asteroid.

• Object #1 is a planet, and Object #2 is a comet.

Tags

NGSS.MS-ESS1-3

Select the statement that correctly compares the sun and a comet.

• The sun and a comet orbit around the planets in space.

• The sun and a comet are bright and made up entirely of gas.

• The sun is at the center of the solar system, and the comet orbits around it.

• The sun is very small in size compared to a comet.

Tags

NGSS.MS-PS2-4

An investigation into an unknown object in space resulted in the following observations:

It is made of rock. It has a round shape.

What additional piece of information is required to confirm that the object is an asteroid?

• It gives off light.

• It has a tail of dust and gas.

• It orbits the sun.

• It rotates on its axis.

A scientist studying the Milky Way galaxy notices a bright light in the sky. What information would she need to prove that the object is a comet and not a star?

I. Does the object move?

II. Is there gas in the object?

III. How big is the object?

IV. Are there other objects orbiting it?

• II only

• III only

• I and II

• I and III

Tags

NGSS.MS-ESS1-2