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This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

Can cells be frozen? This science fair project provides information to answer this question.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project that determines whether moths are attracted to one color of light more than others.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

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

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Use a dichotomous key to identify plants or animals.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Determine how good we are at direct and indirect observation.

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

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.