What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Increase your child's confidence in interpreting bar graphs and throw a little candy into the mix to sweeten the learning process.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Here's a fun at-home activity that will help your child strengthen his ability to work with and interpret data in various forms.

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

This activity will further your child's ability to interpret graphs and apply math skills in a real-world situation.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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.

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

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.

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

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.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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!

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.