Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

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.

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

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

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

In this design challenge, your child will make a bottle rocket using typical household items.

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.