Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

This science fair project idea explores whether cats can be trained in the same way that dogs can.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Is your child struggling with the principles of magnetism? Here's a fun activity to demonstrate polarity and understand the basic principles of magnetism.

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

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

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

This project examines how temperature affects the volume of gas in balloons.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project idea produces consumable fresh water from salt water through desalination.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.