What is another element in the air besides oxygen that has a higher concentration than oxygen in the air?

When atoms stick together they are called what?

Water falling from the atmosphere as rain, snow, hail, or sleet is called what?

Name 2 of the basic 4 cloud types.

What section is between the crust and core layer of the earth?

BP in relation to air and the atmosphere means what?

Which lathers better with soap- hard water or soft water?

The largest source of liquid freshwater is what?

What are the specific type of clouds that form huge towering cloud formations?

What is the formal name for the rock formed from molten rock?

How did the lawn chair pilot using weather balloons first descend after going about 16,000 feet up into the air?

A positive ion is formed from an atom that has a tendency to lose what?

Scientists measure water vapor. What is the common scientific term for this?

Which imaginary lines run north and south across the earth?

An earthquake under the ocean can cause what type of disaster on nearby land?

What malfunctioned on the SD Learjet caused it to crash, costing the golf star, Payne Stewart, his life?

What type of molecule will not dissolve with water- polar or non-polar?

Where is the driest spot in the world?

Which type of clouds are particularly formed only in mountain regions, like Denver, and can look like spaceships?

What scale measures the intensity of earthquakes?

What is the word for oxygen deprivation?

What is a method of separating hydrogen and oxygen that we did in an experiment using a battery, water, and balloons?

The salinity in the ocean comes mostly from what one substance?

When a cold front meets up with a slower-moving warm front, what usually occurs?

The point on the surface of the earth directly above an earthquake's focus is call what?