The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

This science fair project idea investigates food preference of birds.

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

If your Father's Day festivities include meeting up with extended family, why not put all the dads to the test with a chili cook-off?

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.