Earth's Rotation, Revolution, and Phases

Front

What is rotation and how long does it take on Earth?

Back

Rotation means is the spinning of Earth on its axis, one complete Earth rotation is equal to one day (24 hours).

Front

What is revolution and how long does it take on Earth?

Back

Revolution means is the movement of one object around another, one complete revolution of Earth around the sun is a year.

Front

What is the path that one object in space takes around another called?

Back

Orbit.

Front

What 2 pieces of evidence are proof of rotation?

Back

Foucault Pendulum & Coriolis Effect

Front

What is Foucault Pendulum?

Back

A swinging weight will appear to change direction because Earth rotates.

Front

What is Coriolis Effect?

Back

The curving of fluids (liquids and gasses) on or above Earth’s surface due to its rotation.

Front

What 2 pieces of evidence are proof of revolution?

Back

Seasons of the year & Different constellations are visible for the year.

Front

Why does Earth have seasons?

Back

Earth has seasons because its axis is tilted 23.5° as it revolves around the sun.

Front

When a hemisphere is tilted toward the sun what season occurs?

Back

Summer.

Front

What is a solstice?

Back

A solstice is when the length of day or night is at its most extreme.