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.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

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.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

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.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Your child can help your family pet take a breather, and help herself relax, too, with this soothing activity.

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.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

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!

Slip some science into storm watching with a homemade rain gauge!