Down to Earth

What is the force that pulls objects down toward the Earth?

• gravity

• friction

• air resistance

• static electricity

Tags

NGSS.MS-PS2-4

"Gravity pulls things down to Earth", really means that gravity pulls things ___

• toward the South Pole

• toward the Earth

• away from the North Pole

• toward Antarctica

Tags

NGSS.5-PS2-1

Which type of objects are pulled toward Earth?

• only apples

• only light objects

• only heavy objects

• all objects

Tags

NGSS.5-PS2-1

Sir Isaac determined that "what goes up ___"

• isn't affected by gravity

• stays up

• must come down

• goes into orbit

Tags

NGSS.MS-PS2-4

A thrown ball will go up or sideways for a little bit ___

• then keep going

• then come back

• while it's not affected by gravity

• then will fall to the ground

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Identify the layers of the Earth shown in the diagram.

a

b

c

d

Inner Core

Crust

Outer Core

Mantle

What is the primary reason for the Earth's gravitational pull?

• The Earth's rotation

• The Earth's magnetic field

• The Earth's mass

• The Earth's atmosphere

Tags

NGSS.MS-PS2-4

Which layer of the Earth is responsible for its magnetic field?

• Crust

• Mantle

• Outer core

• Inner core

What is the approximate age of the Earth?

• 4.5 million years

• 4.5 billion years

• 45 billion years

• 450 million years

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Which of the following best describes the Earth's atmosphere?

• A solid layer

• A liquid layer

• A gaseous layer

• A plasma layer