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

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

Discover whether the color of text correlates with ease and speed of reading.

In this design challenge, your child will make a bottle rocket using typical household items.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Find out which type of sponge holds the most water.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

This experiment investigates if small changes in your diet can alter your basal body temperature.

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.