Spaceship Earth - How fast does the Earth spin?

Who are Galileo and Copernicus?

• Scientists who had a scientific theory about the extinction of animals on Earth.

• Scientists who had a scientific theory about the movement of the Earth.

• Scientists who had a scientific theory about weather patterns on the Earth.

What is the branch of science that focuses on how things move?

• Physics

• Chemistry

• Biology

Long ago, most people thought the Sun was moving around the Earth. This is...

• True. The sun goes around the Earth once a day.

• False. The sun and the Earth are both spinning around each other.

• False. The sun is not moving but the Earth is spinning once each day.

In 1995, a robotic spacecraft was sent to study Jupiter. During its journey, it took pictures of the Earth. What was this spacecraft's name?

• Copernicus

• Einstein

• Galileo

When sunrise is happening on one side of the world, what is happening on the opposite side of the world?

• afternoon

• sunrise

• sunset

The circumference of the Earth (the distance around it) is about...

• 2,400 miles

• 24,000 miles

• 240,000 miles

About how fast does the Earth spin?

• 1,000 miles per hour

• 100 miles per hour

• 10,000 miles per hour

Why don't we feel the movement of the Earth?

• It is moving too slowly to notice.

• It is not moving.

• Everything on the Earth is moving at the same speed so we don't notice.

When you watch a sunset, it the sun really moving across the sky? What's happening?

• Yes, the Sun is moving across the sky. The Earth is standing still.

• Yes, the sun is rotating around the Earth. The Earth is also spinning around its axis.

• No, the Sun is not moving across the sky. The Earth is spinning around its axis.

From Sunday evening to Friday evening, how many complete spins does the Earth make?

• From Sunday evening to Friday evening, the Earth makes one complete spins (rotations).

• From Sunday evening to Friday evening, the Earth makes five complete spins (rotations).

• From Sunday evening to Friday evening, the Earth makes seven complete spins (rotations).