Science Dimensions Grade 5 Unit 5 Flashcard on Space Systems

Front

What happens to the appearance of the sun if we get closer to it?

Back

The sun would look brighter and larger.

Front

What is one half of the Earth called?

Back

A hemisphere.

Front

In which direction does gravity pull objects?

Back

Gravity pulls objects towards the center of the Earth.

Front

Why is the North Star (Polaris) considered the brightest star in the sky?

Back

Because it is closer than the other stars.

Front

Where would you most likely see the sun at 6PM in the summer?

Back

Low and in the west.

Front

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

Back

Orbit.

Front

What is the name of the force that keeps planets in orbit around the sun?

Back

Gravity.

Front

What do we call the time it takes for the Earth to complete one rotation on its axis?

Back

A day.

Front

What is the term for the imaginary line that divides the Earth into the Northern and Southern Hemispheres?

Back

The equator.

Front

What is the main source of light and heat for the Earth?

Back

The sun.