This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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.

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.

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

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

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

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

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.

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!

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

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.

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

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

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!

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.

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 introduces children to static electricity and the idea that electricity is more than lights and plugs.

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.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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.