Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Learn all about balance and motion as your child designs a corn maze!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Using a toy race car kids create a visual model of the Doppler Effect.