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

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

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!

Do you think heat can affect a plant's growth rate?

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

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.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

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

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

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

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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!

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!