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This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Science fair project that uses distillation to convert salt water into fresh water.

Determine whether the application of Febreeze will lower the bacterial count.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

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

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Introduce your child to science with something they see everyday--their shadow!

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

This little chick is so cute that your child will want to make a whole flock to call her own.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.