Mystery Science Spaceship Earth Lessons 1-2

Front

The Earth spins on its axis once daily.

Back

True

Front

Ancient Greeks believed the Sun orbited the Earth.

Back

True

Front

Two early scientists believed the Earth moved instead of the Sun.

Back

Nicolaus Copernicus and Galileo Galilei

Front

Earth's spin around its axis?

Back

Rotation

Front

Earth's rotation time around its axis?

Back

24 hours

Front

Earth's spin speed

Back

1000 miles per hour

Front

Watching a sunset means the sun is moving:

Back

False: It's the Earth that's moving, not the Sun.

Front

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

Back

5 spins

Front

If Earth spun twice as fast, hours in a day?

Back

12 hours

Front

If Earth spun half as fast, how many hours in a day?

Back

48 hours