This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Examine the connection between temperature and chemiluminescence.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

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!

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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

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

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

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?

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

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

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.