Unit 8A

Front

In winter, the axis of the earth is pointed away or toward the sun?

Back

away

Front

When an object spins on its own axis, it is known as...?

Back

Rotation

Front

The second law of planetary motion has to do with the changing speeds of planets. As a planet gets closer to the sun it _________, and as it gets further away from the sun it _____________.

Back

Speeds up, slows down

Front

What does 'geo-' mean?

Back

Earth

Front

What are the reasons for the season?

Back

Earth's tilt & revolution

Front

What is the definition of rotation?

Back

The spinning of an object around its own axis.

Front

What is the definition of revolution?

Back

The movement of an object around another object in an orbit.

Front

What is the significance of Earth's tilt?

Back

It causes the changing seasons as different parts of the Earth receive varying amounts of sunlight throughout the year.

Front

What is the relationship between distance from the sun and planetary speed?

Back

Planets move faster when they are closer to the sun and slower when they are further away.

Front

What is the term for the path an object takes as it moves around another object?

Back

Orbit