Gravity Practice Test

At what point on the picture is the Earth's gravitational pull the greatest?

• Y

• W

• x

• Z

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which graph represents how Earth's gravitational pull acts on the satellite at each point?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-2

Why do astronauts jump higher on the moon than on Earth?

• There is no oxygen on the moon

• Earth has an atmosphere and the moon doesn't

• The moon exerts less gravitational force on astronauts

• The moon's rotation is much faster than Earths.

Tags

NGSS.MS-PS2-4

What did the string represent in the rubber stopper model of our solar system?

• circular orbits

• the sun

• magnetic force

• gravitational force

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Which of the following statements is TRUE about blackholes?

• Gravity is so strong in a blackhole that not even light can escape it.

• A black hole can be seen with the human eye.

• A small amount of matter is squeezed into a large space in blackholes.

• A blackhole indicates the birth of a star.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which picture represents an elliptical orbit?

• 
• 
• 

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What do comets and asteroids have in common?

• Both are made of materials left over from the formation of the solar system

• Both contain iron and nickel metals

• They both burn up as they approach the sun

• They are made of gaseous material

Large amounts of iron (Fe) and nickel (Ni) metals make up rocky _____. Due to these elements, asteroids have great _____ and gravitational force.

• meteoroids, elements

• comets, weight

• meteors, mass

• asteroids, mass

The gravitational putll on an object.

• mass

• weight

• gravity

• acceleration

Tags

NGSS.MS-PS2-4

The amount of matter in an object.

• mass

• weight

• gravity

• atoms

Tags

NGSS.MS-PS1-5