Solar System, Gravity and Space Exploration

The force that holds all of the planets in orbit around the sun is _______.

• gravity

• friction

• magnetism

• stickiness

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What keeps the moon in orbit around the Earth?

• gravity

• friendship

• magnets

• electricity

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the order of the outer planets from the sun?

• Mercury, Venus, Earth, Mars

• Jupiter, Saturn, Uranus, Neptune

• Neptune, Jupiter, Saturn, Uranus

• Uranus, Saturn, Jupiter, Neptune

What is the order of the inner planets from the sun?

• Mercury, Venus, Earth, Mars

• Jupiter, Venus, Earth, Mars

• Mars, Venus, Mercury, Earth

• Uranus, Saturn, Jupiter, Neptune

Which planet is between Venus and Mars?

• Mercury

• Earth

• Saturn

• Uranus

Gravity on Mars’ surface is much lower than it is here on Earth. This is because the mass of mars is ______ than Earth.

• less
• more
• the same

Tags

NGSS.MS-PS2-4

Mercury has ______ gravity than Earth.

• less
• more
• the same

A person would weigh more on Jupiter than on the Earth because . . .

• Jupiter has more mass, and therefore more gravity
• Jupiter has less mass, and therefore more gravity
• Jupiter has more mass, and therefore less gravity
• Jupiter has less mass and therefore less gravity

Tags

NGSS.MS-PS2-4

A person weighs _____ on the moon than they do on Earth. 

• less
• more
• the same

Gravity is the force objects put on each other because of their ______.

• Mass
• Friendliness
• Acceleration
• Speed

Tags

NGSS.MS-PS2-4