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.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

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

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple 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.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

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.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

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

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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.

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.

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

Transform your uncomfortable wooden shoes into charming mini planters!

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.