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

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

Science fair project that determines whether mass and weight are the same or different.

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.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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

This science fair project examines how seeds hitchhike on animals and clothing.

This experiment tests which gender is better at catching how a magician performs his tricks.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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.

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

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

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!

This science fair project investigates why the number of visible stars changes from place to place.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science fair project idea investigates the difference in reaction times between boys and girls.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

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 color affects a person's emotional state.

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

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.