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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.

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.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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

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

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This is a fun and inexpensive project and it's a great way for your child to build basic geometry skills, like shape recognition and pattern/angle familiarity.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

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!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.