It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

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.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This classic children's game demonstrates how sound travels through air vs. through a solid.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

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

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

This experiment investigates whether smell can be used to enhance test subjects' memories.