The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

This science fair project investigates why the number of visible stars changes from place to place.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project teaches students about wilting and browning of salad greens.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Discover which fabrics shrink the most in the wash and why.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea demonstrates how our fingers prune when in water.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.