Acid Rain
Acid Rain
http: //need.org/needpdf/SecAcidRain.pdf

Agricultural Ideas for Science Fair Projects
A few basic ideas of agricultural science projects you can do. Use these ideas as a jumping-off place for coming up with your own project.
http: //ars.usda.gov/is/kids/fair/ideasframe.ht...

Air Power
Use the force of compressed air to move a "vehicle"
http: //energyquest.ca.gov/projects/air-power.h...

Battery Life
An experiment using the scientific method to determine which brand of battery lasts the longest
http: //energyquest.ca.gov/projects/battery.htm...

Changing Colors
Changing Colors
http: //need.org/needpdf/PriSunPowertoChangeCol...

Clean Air
Clean Air
http: //need.org/needpdf/IntCleanAir.pdf

Clean Air
Clean Air
http: //need.org/needpdf/SecCleanAir.pdf

Colors and Light
Colors and Light
http: //need.org/needpdf/PriColorsandLight.pdf

Comparing Light Bulbs
Comparing Light Bulbs
http: //need.org/needpdf/PriComparingLightBulbs...

Cool House
Using shade trees to keep your home cool.
http: //energyquest.ca.gov/projects/cool-house....

Cooling Fan
Cooling Fan
http: //need.org/needpdf/IntCoolingFan.pdf

Corroding Metals
Corroding Metals
http: //need.org/needpdf/SecCorrodingMetals.pdf...

Corroding Metals
Corroding Metals
http: //need.org/needpdf/IntCorrodingMetals.pdf...

Cryogenic Roses
Cryogenic Roses
http: //need.org/needpdf/IntCryogenicRoses.pdf

Cryogenic Roses
Cryogenic Roses
http: //need.org/needpdf/SecCryogenicRoses.pdf

Decaying Food
Decaying Food
http: //need.org/needpdf/PriDecayingFood.pdf

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