what does air take up
space
what is used to tell the direction of wind is coming from
weather vane
prediction
what you think will happen
what does cold air do
shrink/contracts
what are some examples of air and aerodynamics
cars, bicycle racing helmets, wind turbines, and golf balls.
hypnothesis
a scientific prediction with explanation
what does hot air do
rises/expands
What do ships use
Wind Power
responding variable
is the reaction of a varible
what does air exert
force and pressure
what are some sports that use wind
kite boarding, wind surfing, sailing and paragliding.
controlled variable
the variable you keep the same
what is air made
78%nitrogen 20%oxygen 2% othor gases
what is a fart made of
59 percent nitrogen, 21 percent hydrogen, 9 percent carbon dioxide, 7 percent methane and 4 percent oxygen
inference
after the experiment you explain what happened