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Find out whether putting something on top of a plant will inhibit its growth.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This project compares the strength of one, two, and three-ply toilet paper.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Find out whether a longer airplane will fly farther or a wider paper airplane.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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