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

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Use this great no-bake recipe to save energy and keep cool.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

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

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Science fair project that creates fog using bottles of hot and cold water.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.