JEOPARDY!

Module 2

100

The moisture content of air is called ________.

Humidity

200

Even though most ultraviolet light from the sun is blocked, some gets through, and if your skin is exposed to too much of it, you can get a _________.

Sunburn

300

In addition to allowing plants manufacture their own food, carbon dioxide helps regulate the temperature of the earth. Through a process referred to as the ___________ __________, this gas traps heat that radiates from the earth.

Greenhouse effect

400

If you report the ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, you are reporting the __________ __________.

Relative humidity.

500

Automobiles used to be a major source of carbon monoxide, but the introduction of _________ ___________ significantly reduced the amount produced in automobiles by converting the gas into carbon dioxide.

Catalytic converters

Module 3

100

The mass of air surrounding a planet is called its __________.

Atmosphere

200

The atmosphere can be divided into two general layers. The ___________ is the lower layer, and it contains air that has the same composition as the air at sea level.

Homosphere

300

The "hole" in the ozone layer is actually a seasonal decrease in the concentration of ozone in the ozone layer. It is centered over _____________.

Antarctica

400

Between the upper portions of the mesosphere and the lower portions of the thermosphere, there is a region where the atmosphere's gases are ionized. It is called the __________. 

Ionosphere

500

Atoms have the same number of electrons and protons. This means that overall, atoms have no net _________ _______.

Electrical charge

Module 4

100

The use of electricity to break a molecule down into smaller units is called ___________. 

Electrolysis

200

When you dissolve a substance in a liquid, we say you have made a __________.

Solution

300

Solid water (ice) floats in liquid water. This is because the molecules of liquid water are _______ ___________ than the molecules in solid water

Closer together

400

Because of _________ _______, individual water molecules are so strongly attracted to one another that they tend to stay together, even when subjected to an outside force.

Hydrogen bonding

500

When you make a solution, you use a ________ to dissolve a _________.

Solvent, solute

Module 5

100

The majority of the earth's water supply is contained in the __________.

Oceans

200

Once water is in a cloud, it can fall back to the earth in the form of _____________.

Precipitation

300

The chemical name of the salt you put on food is _________ ___________.

Sodium chloride

400

When the edge of a glacier advances into the ocean, the ice weakens at some points, and large chunks of ice break off the glacier, floating away in the water. This process, called ________, is what makes an iceberg.

Calving

500

Water in the atmosphere exists as either humidity or clouds. In order for clouds to form, there must be _______ _____________ ________ upon which water can condense.

Cloud condensation nuclei

Module 6

100

Vibration of the earth that results either from volcanic activity or rock masses suddenly moving along a fault is called an ___________.

Earthquake

200

Some scientists speculate that years ago, all the continents were connected in a giant supercontinent, which has been called __________.

Pangaea

300

The crust is separated from the mantle by the ___________ _______________

Mohorovic discontinuity

400

A _______ is the boundary between two sections of rock that can move relative to one another.

Fault

500

The ___________ is the point on the surface of the earth directly above an earthquake's focus.

Epicenter