lesson 4 Flashcards
1
Q
this energy travels to Earth as
A
electromagnetic waves
2
Q
what are electromagnetic waves
A
a form of energy that can move through the vacuum of space
3
Q
how can electromagnetic waves be classified as
A
wavelength, or distance between waves
4
Q
what are the three ways energy from the sun can travel to the earth
A
visible light, infrared radiation and ultraviolet radiation
5
Q
some sunlight is _____ or _________ before it can reach the surface
A
absorbed , reflected
6
Q
Dust-sized particles and gases in the atmosphere disperse light in all directions in a process called
A
scattering
7
Q
Earth’s surface radiates some energy back into the atmosphere as
A
infrared radiation
8
Q
he greenhouse effect keeps Earth’s atmosphere at a comfortable temperature.
A
temperature
