EARTH'S ATMOSPHERE
Sunburn can result from exposure to what type of radiation
ultraviolet
This instrument is used to measure how hot or cold the air is
thermometer
This process occurs when particles and gases in the atmosphere disperse light in all directions
Scattering
Energy travels to the Earth in the form of
Electromagnetic waves
The level of what element falls in a barometer as the air pressure falls
Mercury
This natural process holds heat in Earth's atmosphere
The Greenhouse Effect
Some ultraviolet radiation is absorbed by what in the upper stratosphere
ozone layer
To calculate the density of a substance divide its mass by its
volume