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This science fair project idea identifies trees using a dichotomous key.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this project students experiment with making music using only glasses of water.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

This science fair project idea produces sounds by creating vibrations using different objects.

Make learning how to calculate surface area easy and fun using this simple hands-on approach.

This project is a great way to explore variations in how to paint using watercolor.

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

Have fun making recycled paper using scraps of used paper in your home with this hands-on project.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

Encourage your child to explore color and its mood-altering effects by creating his own self portrait using only warm or cool colors.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Challenge your child with this exciting 2D to 3D project using a sheet of construction paper, oil pastels, and scissors.

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this arts and crafts activity, you and your child will create colorful three-dimensional artwork using scrunched-up fabric pieces.

By using your child's own activity schedule, you can strengthen his understanding of elapsed time, and get him organized along the way!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Using aluminum is a great way to recycle and make some shiny ornaments borrowing from this traditional Mexican art form. Here's an easy kids' activity!

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

This entertaining magic trick will 'trick' kids into using math skill to impress their friends!

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.