In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

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

This biodiversity project examines the biodiversity in your own backyard.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

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

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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

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.

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This science fair project idea investigates whether plants can survive being frozen.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.