Flashcards

solar

Hamza Ahmed English 20 cards

Cards in this deck (20)

1Solar Heating of the EarthHamza Ahmed Year 8
2What is solar energy?Energy that comes from the sun
3What is the sun powered by?Nuclear Fusion
4What is nuclear fusion?Nuclear reaction in which two or more nuclei come close enough to form at extremes to produce energy
5How much energy is produced by the sun?378 billion billion watts
6Not all the energy reaches earth but how much does?1400 w/m
7Define electromagnetic radiationEnergy that enters the earth's atmosphere
8Define electromagnetic spectrumA range of different forms of light and other energy carrying waves
9What is the ozone layer?Layer in atmosphere absorbing ultraviolet radiation
10What do greenhouse gases do?Absorb lower energy waves
11What is the greenhouse effect?The trapping of the sun's warmth in a planet's lower atmosphere,
12What is the enhanced greenhouse effect?Impact on the climate from the additional heat retained
13What happens to all of the energy on earth?Eventually becomes heat energy?
14Which colour most reflects heat?White, this is why you wear sunglasses when skiing because the light is too much.
15Which colour most absorbs heat?Black, that's why black surfaces are hotter than light surfaces on hot days
16What does this lead to?Different amounts of heating around the earth
17What is climate change?Change in the statistical distribution of weather patterns
18What is IPCC?The business responsible for monitoring climate change
19What are the causes of climate change?Solar activity and greenhouse gas emissions
20ThankYou