Topic 1 - Global Systems - Solar Energy Flashcards
1
Q
Define Solar Energy
A
Comes from the sun and occurs across a spectrum. Chlorophyll only absorbs certain wavelengths of light. Photosynthesis is more efficient when exposed to blue and red light waves.
2
Q
Earth’s energy budget
A
Shows how energy flows into Earth and away from Earth. Determines the climate of our Earth.
3
Q
Visible Light
A
All of the colours you see in a rainbow
4
Q
Infrared Light
A
Has wavelengths that are longer than red light.
5
Q
Ultraviolet Radiation
A
It is invisible, and has wavelengths shorter than violet. Can cause sunburns, skin cancer and eye damage.
6
Q
Albedo Effect
A
The ability of a surface to reflect sunlight.
7
Q
Greenhouse Effect
A
The atmosphere traps heat and forms a blanket. This is a
