This science fair project idea determines how your body responds to allergies.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

This science fair project idea identifies trees using a dichotomous key.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

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

Determine how good we are at direct and indirect observation.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

Word color association is just a fancy way to talk about the way we connect colors with words.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

This science fair project idea explores how water and ice can change the form of rocks.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Science fair project that demonstrates how stalagmites and stalactites are formed.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.