ESS Final Exam Practice

Front

A star's color is determined by ______.

Back

its temperature

Front

The 4 outer planets are called _____

Back

giant gas planets

Front

Which of the following soil pollutants are NOT caused by runoff water into lakes and rivers?

Back

chlorine

Front

True or false: Water density is a factor that causes ocean currents.

Back

True

Front

Why do the planets revolve around the Sun in our galaxy?

Back

It is due to the gravitational pull of the sun.

Front

What are terrestrial planets?

Back

The inner planets that are rocky and solid, including Mercury, Venus, Earth, and Mars.

Front

What is the main component of the Sun?

Back

Hydrogen, which makes up about 74% of its mass.

Front

Define gravitational pull.

Back

The force that attracts two bodies towards each other, proportional to their masses and inversely proportional to the square of the distance between them.

Front

What is ocean current?

Back

A continuous, directed movement of seawater generated by various forces acting upon it.

Front

What are the effects of soil pollutants on aquatic ecosystems?

Back

They can harm aquatic life, disrupt food chains, and degrade water quality.