Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

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

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

Discover which fabrics shrink the most in the wash and why.

Construct batteries that make electricity from fruits with this fun science fair project.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

What happens when colored beams of light mix? You might be surprised.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.