Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Have your child kick off their summer vacation by making a miniature water slide!

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

This science project idea examines the effect of microwaving on various objects.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science fair project idea determines what household items are good conductors of electricity.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea investigates whether plants can survive being frozen.