In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

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.

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.

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

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

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 explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

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

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!

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.

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

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

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.

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

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.

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

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

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

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.