This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This project investigates the affect of storage temperature on microwave popcorn.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Construct batteries that make electricity from fruits with this fun science fair project.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This science fair project idea explores whether color affects a person's emotional state.

Explore if planting seeds in a certain direction will affect how fast it germinates.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

Find out which kind of bubble wrap fares best when put in impact.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

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