FOSS Earth and Sun: Investigation 1 & 2

Front

What keeps the Earth in the Solar system?

Back

Gravity is the force that keeps the Earth and other planets in orbit around the Sun.

Front

Why do the sun and moon appear to move across the sky?

Back

The rotation of the Earth makes the sun and moon seem to move across the sky.

Front

When the visible (lit) portion of the moon is increasing, what is this phase called?

Back

This phase is called waxing.

Front

What is the only planet known to contain life?

Back

Earth is the only planet known to support life.

Front

What do we call a group of stars that forms a pattern?

Back

A group of stars that forms a pattern is called a constellation.

Front

What is the center of our Solar System?

Back

The Sun is the center of our Solar System.

Front

What force pulls objects towards each other in space?

Back

Gravity is the force that pulls objects towards each other.

Front

What is the phase of the moon when it is completely illuminated?

Back

The phase of the moon when it is completely illuminated is called full moon.

Front

What is the term for the path that Earth takes around the Sun?

Back

The path that Earth takes around the Sun is called an orbit.

Front

What is the term for the time it takes for the Earth to complete one rotation on its axis?

Back

The time it takes for the Earth to complete one rotation is called a day.