Solar System Pretest

Front

What type of star is the Sun?

Back

The Sun is an ordinary star.

Front

What happens to gravity's pull between two objects as they get closer?

Back

The gravity's pull becomes stronger.

Front

What is the definition of an eclipse?

Back

An eclipse occurs when the Sun, Earth, and Moon line up.

Front

What causes day and night on Earth?

Back

Day and night are caused by the rotation of Earth on its axis.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.

Front

What is the solar system?

Back

The solar system consists of the Sun and all the celestial bodies that are bound to it by gravity.

Front

What is the universe?

Back

The universe is all of space and time, including all forms of matter and energy.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object around its own axis, while revolution is the movement of one object around another.

Front

What is a planet?

Back

A planet is a celestial body that orbits a star and is large enough to be rounded by its own gravity.

Front

What is a star?

Back

A star is a luminous sphere of plasma held together by its own gravity.