This science fair project idea provides evidence that air is everywhere and takes up space.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Do you think heat can affect a plant's growth rate?

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this science project, the center of gravity is explored.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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.