This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This science research project challenges students to think of more effective lobster farming methods.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science project allows students to study the psychology of happiness.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

This science fair project idea explores the egg's thin membrane.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

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

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Find out whether matte or shiny nail polish lasts longer.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!