Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This project investigates the affect of storage temperature on microwave popcorn.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Discover how and which salt melts ice the quickest.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project idea examines which type of insulation holds in the most heat.