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.

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.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment tests which gender is better at catching how a magician performs his tricks.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

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