Motion in the Solar System

How does changing the distance between objects affect the force of gravity?

• Decreasing distance increases gravity
• increasing distance increases gravity 
• Distance does not affect gravity

Tags

NGSS.MS-PS2-5

How does changing the mass of objects affect the force of gravity?

• Increasing mass will decrease gravity
• Decreasing mass will increase gravity
• Mass will not affect gravity
• Increasing mass increases gravity

Tags

NGSS.MS-PS2-4

The amount of time it takes Earth to spin on its axis is called 

• an hour
• a month
• a day
• a year

The planet with the shortest year is

• Earth
• Neptune
• Pluto
• Mercury

Why does the moon orbit the Earth and not the Sun?

• The Earth is bigger than the Sun
• The sun is too close to the moon
• The Earth is closer to the moon.
• The Sun did not exist when the moon formed

Which scientist discovered the law of gravitational attraction?

• Kepler
• Brahe
• Galileo
• Newton

What solar system models places the Sun at the center? 

• Geocentric Model
• Heliocentric Model
• Ptolemy Model
• Artistotle Model

Where did the materials used to create planets in our solar system come from? 

• clumps of rocky material between the stars
• the same cloud of gas as our sun
• they flung out of our young sun
• gas cloud in the orion nebula

Tags

NGSS.HS-ESS1-6

Which object will hit the ground first? A 300 kg ball or a 30 kg ball. 

• The 30 kg ball
• The 300 kg ball
• Both hit at the same time
• It only works on the moon

Why does the Earth orbit the sun? 

• The sun pulls Earth toward it.
• The sun pulls Earth in an orbit.
• The sun pushes Earth away.
• Electromagnatism from the sun keeps Earth in orbit.

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

NGSS.MS-ESS1-1