5th Grade Space Exploration Review Flashcard

Front

What does it mean when we say the Earth 'revolves around' the Sun?

Back

It means that the Earth travels in a circular path around the Sun, completing one full orbit approximately every 365 days.

Front

Why is the light from the Sun stronger than the light from other stars?

Back

The Sun is much closer to Earth than other stars, which makes its light appear much brighter.

Front

What is the relationship between the Earth, the Moon, and the Sun?

Back

The Earth orbits the Sun, and the Moon orbits the Earth. This relationship affects the phases of the Moon and eclipses.

Front

What is a galaxy?

Back

A galaxy is a large system of stars, gas, dust, and dark matter bound together by gravity. The Milky Way is an example of a galaxy.

Front

What causes day and night on Earth?

Back

Day and night are caused by the rotation of the Earth on its own axis. When one side of the Earth faces the Sun, it experiences daytime, while the other side experiences nighttime.

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 object.

Front

What is a solar system?

Back

A solar system is a collection of planets, moons, asteroids, comets, and other celestial bodies that orbit a star, such as the Sun.

Front

What is a constellation?

Back

A constellation is a group of stars that form a recognizable pattern in the night sky, often named after mythological figures or animals.

Front

What is the significance of the Sun in our solar system?

Back

The Sun is the central star of our solar system and provides the necessary light and heat for life on Earth.

Front

What is an eclipse?

Back

An eclipse occurs when one celestial body moves into the shadow of another celestial body, blocking its light.