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.

In this project, waves of vibrations are experimented with using water in glasses.

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

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

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.

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

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.

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.

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.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

This science fair project idea explores substances that cause a bubble to last longer.

In this project students experiment with making music using only glasses of water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

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

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

The project determines which laundry detergent is best for cleaning clothes.

In this experiment we will be determining whether birds prefer certain colors of seed.

Try this chemistry experiment with your curious kid and get some "shocking" results!