Presentation on theme: "Say it to yourself 10 times…"— Presentation transcript:
1 Say it to yourself 10 times… PhotosynthesisSay it to yourself 10 times…CO2 + water + sunlight =O2 + water + sugar
2 The Carbon Cycle Every living thing contains carbon. All life is based on the element carbon.Carbon is in…..all living thingsthe atmospherelayers under ocean floorfossil fuels (coal, oil, gas)Every living thing contains carbon.
3 Carbon is always being cycled through the environment (from plants and animals to the air and ground)
4 How does carbon move FROM the air INTO plants and animals? This is how all living things have carbon in them!How does carbon move FROM the air INTO plants and animals?Carbon moves into animals by eating plants or other animalsCarbon dioxide (CO2)moves into plants byphotosynthesis
5 Carbon moves from the air into plants by photosynthesis!Plants take in carbon dioxide (CO2) through their leaves. They use CO2 to make their food. Then, plants give out oxygen (O2) in a process called photosynthesis.Photosynthesis: When plants take in carbon dioxide (CO2) and change it into oxygen (O2)(CO2) => (O2)Draw on 72
6 How does carbon dioxide move INTO the air FROM animals? All living things breathe.This is called respiration.During respiration,animals take in oxygen(O2) and give out carbondioxide (CO2).Draw on 72
7 Plants and animals trade carbon dioxide (CO2) and oxygen (O2) back and forth Animals (includinghumans) breatheout carbon dioxide(CO2) throughrespiration.Plants take in the carbon dioxide(CO2) through photosynthesis and give out oxygen (O2)Animals need oxygen to breathe. They breathe the O2 from the plants and release CO2.
8 GLOBAL WARMING: A result of TOO MUCH carbon in the air! Too much carbon in the atmosphere is bad for the Earth. It traps in heat and causes global warming.Burning fossil fuels produces carbon dioxide
9 How does TOO MUCH carbon move into the air? Humans are adding too much CO2 to the air!Volcano eruptionsBurning Fossil Fuels (pollution)Deforestation (cutting down trees)
10 How does TOO MUCH carbon move into the air? “Burning coal, oil, and other fossil fuels releases heat-trapping gas, such as carbon dioxide (CO2), into the atmosphere.”Burning fossil fuels produces carbon dioxide
11 Human activities We burn lots of fossil fuels -Transportation (cars, busses, etc.)-Heating-Cooking-Electricity-FactoriesAll of this releases lots of carbon dioxide CO2 into the air.We are adding carbon to the air faster than it can be removed through photosynthesis.Because of this, there is more carbon dioxide today than there has ever been!
12 Deforestation (Cutting down lots of trees) Human ActivitiesDeforestation (Cutting down lots of trees)Allows too much carbon dioxide (CO2) into the air.Less trees means less photosynthesis, so more CO2.
13 What can we do?? Human Activity that can REDUCE (decrease) the amount of Carbon USE LESS ELECTRICITYElectricity is one of the biggest producers of carbon. Every time you make toast or turn on the TV, you are adding to global warming.Turn it off when not in use (lights, TV, DVD player, computer, etc....)Recycle paper and plant more trees
14 Label The Water and Carbon Cycles SunInclude: Respiration, Transpiration, Condensation, Evaporation, Precipitation, PhotosynthesisLabel the sun and waterCondensationPrecipitationPhotosynthesisTranspirationRespirationEvaporationRespirationWater