Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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.

In this science fair project, students create their own miniature salt flats at home.

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.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

This cool air pressure demonstration has kids break a ruler using only a newspaper and atmospheric pressure.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

This project examines whether and what associations exist between numbers and letters and colors.

Determine if gender affects the ability to identify different smells.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.