This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea produces varying pitches of sound.

This science fair project idea determines the probability of a coin landing heads or tails.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea identifies trees using a dichotomous key.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project idea explores the different properties of matter.

Make a backbone model to explore human anatomy and life science.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea examines the reason boats are shaped and engineered.

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

Take a dive into the candy jar with this yummy science experiment.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this science fair project, students make their own rain gauge to measure rainfall.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project will help students learn about non-vascular plants, such as mosses.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea produces sounds by creating vibrations using different objects.

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

This science fair project idea provides evidence that air is everywhere and takes up space.