Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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.

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

In this science fair project you will make a model of a cell membrane using very simple material.

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.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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.

The project investigates how friction affects motion by using different surface textures.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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 science fair project idea determines what household items are good conductors of electricity.

In this project, waves of vibrations are experimented with using water in glasses.

This science fair project idea determines what household items are good conductors of electricity.

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

In this project students experiment with making music using only glasses of water.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

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.