This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea produces varying pitches of sound.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

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

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

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

Discover how and which salt melts ice the quickest.

This science fair project idea explores whether white light can be separated into different colors.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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