Earth's Motion and Forces Concepts

The video explains the sun's role in supporting life on Earth, describing how its energy is essential for plants, animals, and humans. It discusses the apparent movement of the sun across the sky, which is actually due to Earth's rotation. The video further explains Earth's rotation and orbit, detailing how these movements create day, night, and the calendar year. It also covers the concept of gravity, explaining how it keeps Earth in orbit around the sun and affects objects on Earth.

What is the primary source of energy for plants on Earth?

• The Moon

• The Stars

• The Ocean

• The Sun

What is the term used to describe the sun's first appearance above the eastern horizon?

• Sunset

• Midnight

• Noon

• Sunrise

What causes the sun to appear to move across the sky each day?

• The moon's orbit

• The stars' alignment

• Earth's rotation

• The sun's own movement

How long does it take for Earth to complete one full rotation on its axis?

• 12 hours

• 365 days

• 48 hours

• 24 hours

What is the imaginary line called that Earth spins around?

• Orbit

• Axis

• Meridian

• Equator

What is the term for Earth's path around the sun?

• Axis

• Meridian

• Equator

• Orbit

Approximately how many days does it take for Earth to orbit the sun once?

• 30 days

• 730 days

• 180 days

• 365 days

What force keeps Earth in its orbit around the sun?

• Magnetism

• Friction

• Gravity

• Electricity

Why don't objects on Earth's surface float away into space?

• Friction

• Wind

• Gravity

• Magnetism

What happens when you throw a ball into the air?

• It disappears

• It falls back down

• It keeps going up

• It stays in the air