3 Explore on your ownSee if you can come up with evidence that air is real. Please complete Is Air There? Activity
4 How Is Air Like an Ocean?Air and water move around without breaking apart, because they are fluids.Air isn't a liquid, it's a gas, another kind of fluid.
5 What Makes Up Air?Air is made of molecules of different types of gasesThe two most commonNitrogen or N2 (78%)Oxygen or O2 (21%)Other trace gases (1% together)ArgonCarbon DioxideNeonHeliumMethaneKryptonHydrogenWater vaporParticles
7 Does the percentages of gases in the atmosphere change? Explain your answer
8 Atmosphere We all live in the ocean of air, called the atmosphere. A layer of gases that surround our planet
9 How much air?If you were to compare the Earth to an ordinary apple, the atmosphere would be only as thick as the apple's skin.Our atmosphere is only about 500 miles thickWith the majority of the gases being found down in the lowest layer of the atmosphere
10 Functions of the Atmosphere Holds oxygenHolds carbon dioxideHolds nitrogenRegulates temperatureProtects from UV radiationProtects from small meteorsNecessary for generating soundNecessary for movement of flying animals and aircraft
11 Homework Have you defined the hot vocab terms Did you draw a picture of each term