Earth's Atmosphere & The Solar System

Front

What layer of the atmosphere protects us from harmful UV rays?

Back

Ozone layer.

Front

Where is the asteroid belt located in our solar system?

Back

Between Mars and Jupiter.

Front

What percentage of Earth's atmosphere is made up of oxygen?

Back

21%.

Front

What is the term for one full orbit of an object around another object?

Back

Revolution.

Front

What is the average distance from the Earth to the Sun?

Back

About 93,000,000 miles.

Front

What is the primary gas in Earth's atmosphere?

Back

Nitrogen, making up about 78%.

Front

What is the significance of the ozone layer?

Back

It absorbs most of the Sun's harmful ultraviolet radiation.

Front

What celestial bodies are found in the asteroid belt?

Back

Asteroids and minor planets.

Front

What is the difference between a planet and a dwarf planet?

Back

A planet has cleared its orbit of other debris, while a dwarf planet has not.

Front

What is the largest planet in our solar system?

Back

Jupiter.