Front

What is the shape of the Earth?

Back

The Earth is a sphere.

Front

What causes day and night?

Back

Day and night are caused by the rotation of the Earth.

Front

What is a star?

Back

A star is a massive, luminous ball of gas, like the Sun.

Front

What causes the seasons to change?

Back

The seasons change due to the tilt of the Earth on its axis.

Tags

NGSS.MS-ESS1-1

Front

What does it mean for an object to revolve?

Back

To revolve means to move in a circular path around another object.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Front

What is the Moon?

Back

The Moon is a natural satellite that orbits the Earth.

Tags

NGSS.MS-ESS1-1

Front

Why do we see different phases of the Moon?

Back

We see different phases of the Moon because of its position relative to the Earth and Sun.

Tags

NGSS.MS-ESS1-1

Front

What is a shadow?

Back

A shadow is a dark area created when an object blocks light.

Tags

NGSS.4-PS4-2

Front

How does the Sun affect shadows?

Back

The position of the Sun in the sky determines the length and direction of shadows.

Tags

NGSS.MS-ESS1-1

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its axis; revolution is when it orbits another object.

Tags

NGSS.MS-ESS2-6