Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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.

This project investigates the affect of storage temperature on microwave popcorn.

Examine the effect of pressure on carbonation in soda.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

The goal of this project is to create an exciting topographical map out of dough.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

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

Will the shape of an ice cube impact how fast the ice melts?

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

This basketball project explores the best way to make the perfect shot every time.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Construct batteries that make electricity from fruits with this fun science fair project.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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