Why is it hard to breathe at the top of a mountain?
There is less air (specifically, oxygen) available.
Which could grow to the biggest size, sleet or hail?
What is wind?
Moving air.
Does hot air or cold air hold more water vapor?
Hot air.
What does a meteorologist study?
The weather.
What is one way water enters the atmosphere?
Evaporation and transpiration.
Name three types of precipitation and explain what they are.
Variable answers that could include rain, snow, sleet, hail...
What are the broken chunks of the earth's crust that float on the mantle called?
Plates.
Name 3 minerals our bodies need to survive.
Variable answers.
What is humidity?
The amount of water in the atmosphere.
How does radar work?
Radio waves bounce off things.
What is an air mass?
A huge body of air with similar temperature, humidity, and air pressure at any given height.
What gas makes up most of the earth's atmosphere?
Nitrogen.
Define front.
The boundary where air masses meet.