Lesson 4 Quiz

In our solar system, the sun has 99.8% of the gravitational force because...

• It's the hottest planet

• That's what Earth orbits

• It has the most mass

• It's in the center

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Why is the Earth and other celestial bodies spherical?

• Rocks are circular

• The Earth is like a ball

• Gravity pulls in a directions evenly

• We are pulled in by the sun

Tags

NGSS.MS-ESS1-2

Planets that stay in rotation around an object are defined as being in...

• a circle

• orbit

• rotation

• a sprial

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1

What two factors influence gravitational force?

• Mass and gravity

• Distance and weight

• Weight and shape

• Mass and distance

Tags

NGSS.MS-PS2-4

When two planets become farther apart, or their distance increases, what happens to the gravitational force?

• Gravity becomes stronger

• Gravity becomes weaker

• Gravity stays the same

What path will an object follow if it is not held in orbit by gravity?

• The object falls

• It follows a circular path

• It floats on its own

• It follows a straight path

Tags

NGSS.MS-ESS1-2

When objects in space are closer to a larger mass object, the velocity (speed) is...

• Less

• More

• the same

• none of these

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What terms describes Earth's path around the sun?

• Elliptical path

• Oval path

• Disk path

• Circular path

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is the name of the scientist that "discovered" gravity? He also wrote the three laws of motion!

• Bill Nye

• Galileo Galiei

• Isaac Newton

• Mr. Larson

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4