Space Science Semester 1 Review

Front

What occurs during nuclear fusion in the sun?

Back

Hydrogen nuclei combine to produce a helium nucleus.

Front

What is released when hydrogen nuclei fuse into helium nuclei?

Back

Energy is released.

Front

How does the distance from the sun affect a planet's revolution time?

Back

The farther a planet is from the sun, the more time it will take to revolve around the sun.

Front

What happens to a planet's speed when it is farthest from the sun?

Back

It moves slower.

Front

What is the name of our galaxy?

Back

Milky Way.

Front

What is nuclear fusion?

Back

A process where two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is the primary fuel for nuclear fusion in the sun?

Back

Hydrogen.

Front

What is the result of nuclear fusion in terms of mass?

Back

Some mass is converted into energy, according to Einstein's equation E=mc².

Front

What is the significance of the solar eclipse?

Back

A solar eclipse occurs when the moon passes between the Earth and the sun, blocking the sun's light.

Front

What is the role of gravity in the solar system?

Back

Gravity keeps planets in orbit around the sun.