HMH Science

What is the force that is keeping us on Earth?

• Centrifugal force

• Gravity

• Rarity

• There isn't one.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

To where is the force that is keeping us on Earth pulling us?

• To the ground.

• To the center of the Earth.

• To sea level.

The force that keeps us on Earth affects _______________.

• Only matter on the Earth's surface.

• All matter on Earth.

• All matter except on the North and South Poles.

• Only people.

Tags

NGSS.5-PS2-1

What is the best definition of "down?"

• The direction towards one feet.

• The direction towards the center of the Earth.

• The direction facing downhill.

Hemisphere means...

• The Earth.

• Half of the Earth.

• Quarter of the Earth.

What is the Earth's axis?

• the north and south pole

• the spinning of the Earth

• an imaginary line through the center of the Earth through its poles

• 24 hours

What is the Earth's rotation?

• the spinning of the Earth on its axis

• the sunrise and sunset

• the constellations moving in the sky

• the sun moving around the Earth

Tags

NGSS.MS-ESS2-6

What is a constellation?

• a pattern of clouds that form a pattern or design in the sky

• a prize you get when you lose a contest

• a pattern of stars that forms an imaginary picture or design in the sky

What causes day and night?

• the Earth's axis

• the Earth's rotation

• the Earth's tidal pull

• the Earth's poles

When are shadows the shortest?

• early in the morning

• late in the evening

• noontime

Tags

NGSS.5-ESS1-2