Solar System Unit Test

Front

What does 'waning' mean?

Back

Waning means decreasing or diminishing.

Front

What is an eclipse?

Back

An eclipse is an astronomical event where one celestial body moves into the shadow of another celestial body.

Front

What causes the Moon to appear red during a total lunar eclipse?

Back

The light that has passed through Earth's atmosphere which has filtered out most of the blue light making the Moon appear red.

Front

Which of the following never changes no matter where in the universe?

Back

Mass.

Front

How long do solar eclipses last for?

Back

A solar eclipse lasts from a few minutes to several hours, with totality lasting a few minutes.

Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Earth and the Sun, blocking the Sun's light. A lunar eclipse occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon.

Front

What is the role of gravity in the solar system?

Back

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

Front

What is a planet?

Back

A planet is a celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Front

What is the largest planet in our solar system?

Back

Jupiter is the largest planet in our solar system.

Front

What is the asteroid belt?

Back

The asteroid belt is a region of space between Mars and Jupiter where many small rocky bodies orbit the Sun.