Atmosphere
Water Cycle
Stars
Solar System
100

What is the lowest layer of the atmosphere, immediately surrounding the planet, in which constant pressure activity causes turbulence and severe weather conditions?

What is the troposphere?
100

What type of cloud is tall, billowy, and known for producing thunder showers?

What are cumulonimbus clouds?

100

What is the name of the constellation that looks like a goat?

What is Ares?

100

In what galaxy does our solar system reside?

What is the Milky Way?

200

The movement of air from water ares to land areas (due to unequal heating of air) during daylight hours is called what?

What is a water breeze?

200

Falling moisture in any form is called what?

What is precipitation?

200

What outer layer of the sun is so faint that you can only see it during a total solar eclipse?

What is the corona?
200

Which planet could be considered the "king" of the planets?

What is Jupiter?

300

What causes convection currents (and, in conjunction with the Coriolis effect, wind belts)?

What is uneven heating of air?

300

What kind of clouds are found at very high altitudes and are formed of wispy, feathery streaks of ice crystals?

What are cirrus clouds?
300

When a red giant star collapses due to unstable forces, it turns into a small, dense star called a ___?

What is a white dwarf (or black dwarf if explanation is furnished).

300

What two planets are closer to the Sun than Earth?

What are Mercury and Venus?

400
What sub-layer of the atmosphere absorbs ultraviolet rays in sunlight, protecting life on earth?
What is the ozone layer?
400
Which kinds of fronts are characterized by several days of steady precipitation (rain or snow) that covers a wide area?

What are warm fronts?

400

Most stars are composed primarily of what two elements?

What are hydrogen and helium?

400

What force holds galaxies together?

What is the gravitational pull of a supermassive black hole?

500

Sailors aboard early sailing ships were the first to use what word to refer to the region near the equator where their ships were often becalmed?

What are the doldrums?

500

Last spring's rain, this winter's _____.

What is snow?

500

What stage of life is our Sun in?

What is "main sequence" stage or "young star"?

500

What are clouds of cosmic dust and gases called?

What are nebulae? (i.e. What is a nebula?)

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