Energy in the Atmosphere Notes

Atmosphere is a mixture of _______ that surrounds Earth.

• gases

• liquids

• solids

• plasma

It protects us from _______ and harmful space debris.

• harmful radiation

• rain

• wind

• sound

3. The ultimate source of Earth’s energy is the _______.

• sun

• moon

• wind

• ocean

The sun’s energy travels in waves called _______.

• electromagnetic

• sound

• mechanical

• thermal

Electromagnetic waves are classified according to _______. Some waves are short and more harmful (ultraviolet), while others are long (infrared).

• wavelength

• frequency

• amplitude

• speed

The type of electromagnetic waves received from the sun is _______.

• radiation

• sound waves

• microwaves

• radio waves

7. Most of the sun’s radiation reaches Earth in three forms: _______ - longer wavelengths; felt as heat, _______ - ROYGBIV; light we see, _______ - shorter wavelengths; harmful & cause skin cancer.

• infrared radiation, visible light, ultraviolet radiation

• microwave radiation, visible light, gamma radiation

• infrared radiation, x-ray radiation, ultraviolet radiation

• radio waves, visible light, ultraviolet radiation

8. Land & water absorb some of the sun’s radiation (energy) and change it into _______.

• heat

• light

• sound

• electricity

_______ shows us how much of the incoming solar energy is absorbed, reflected, and radiated between the sun and Earth.

• energy budget

• solar cycle

• thermal dynamics

• climate model

Earth’s energy budget: The percentage of energy that is reflected and scattered from atmosphere

• 6%

• 19%

• 20%

• 4%