3rd SWKS Science Earth and Space

Front

What is an inner planet?

Back

An inner planet is a rocky planet that is located closer to the sun, such as Mercury, Venus, Earth, and Mars.

Front

What characteristic do inner planets have?

Back

Inner planets have a rocky surface.

Front

What is an orbit?

Back

An orbit is a curved path around an object, such as a planet orbiting the sun.

Front

Why can we see the moon at night?

Back

We can see the moon at night because it reflects the light from the sun.

Front

What does Earth revolve around?

Back

Earth revolves around the sun.

Front

What does the moon revolve around?

Back

The moon revolves around Earth.

Front

What shape is the path of Earth’s revolution around the sun?

Back

The path of Earth’s revolution around the sun is oval.

Front

What does Earth rotate around?

Back

Earth rotates around an axis.

Front

What are the four inner planets?

Back

The four inner planets are Mercury, Venus, Earth, and Mars.

Front

What is the main difference between inner and outer planets?

Back

Inner planets are rocky, while outer planets are gas giants.