Planets-Gravity-Inertia

What holds the Earth and other planets in orbit around the Sun?

• The Sun's gravitational force

• The moon's gravitational force

• The Earth's gravitational force

• The lack of gravitational force

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

Tags

NGSS.MS-PS2-2

What two forces affect gravity?

• mass and inertia

• mass and distance

• mass and force

• mass and weight

Tags

NGSS.HS-PS2-4

What forces cause a planet to orbit?

• gravity and orbit
• gravity and inertia
• gravity and mass
• gravity and weight

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Because of inertia, a resting object will remain at ________.

• rest
• a constant speed
• school
• inertia 

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?

• They will stop moving and become static.
• They will stop spinning.
• They will fly away in straight lines.
• They will start moving toward the Sun

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

As distance between objects increases, the pull of gravity...

• increases

• decreases

• Stays the same

Tags

NGSS.MS-PS2-4

Why do all of the planets orbit the sun rather than Earth?

• the sun has more mass
• the sun is a star
• the Earth is heavier
• the sun is in the middle of the milky way

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

When Sean was riding his bike and braked suddenly, he kept moving forward due to

• gravity

• friction

• inertia

• weight

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2