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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.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Discover which method for odor removal words the best for stifling refrigerator odors.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Discover the wonders of simple clay by pressing flowers into a modeling medium!

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

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

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

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

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.