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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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

Vincent van Gogh painted golden hued pictures of the harvest using bold lines and vibrant color. Your child can explore this style of art using oil pastels.

Using butcher paper, ink and charcoal, your child will explore ancient motifs such as buffalo, bison and hunters by creating her very own cave painting.

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.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

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.

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

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.

Using wholesome, natural ingredients like oatmeal, honey and raisins your child can make homemade granola bars!

In this science fair project you will make a model of a cell membrane using very simple material.

Using only straight-line sewing, your fourth can create a nifty felt pencil case perfect for his busy life.

Using an empty plastic bottle, your child can create a newfangled version of this African percussion instrument.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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.

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

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