What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

What happens when colored beams of light mix? You might be surprised.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project idea experiments with spinning color wheels and optical illusions.

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

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

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

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

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

Discover which fabrics shrink the most in the wash and why.

This science fair project idea explores whether color affects a person's emotional state.