What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Kindergarten algebra is a lot different than high school. In kindergarten math, algebra means grouping like things, or noticing what doesn't belong in a set.

This tactile activity helps kindergarteners learn about texture.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

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.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

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

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

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 activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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

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

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

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