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Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Work and Energy

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

How Does a Compass Work?

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Cleansing Power: How Does Dishwashing Liquid Work?

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Complete Circuit: How Does a Flashlight Work?

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Alcohol Fermentation

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Clay Enzyme

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Laundry Science: Ready, Get Set, Dry!

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Whole and Parts: Taking Things Apart

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Building Brick Challenge: Build the Eiffel Tower

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Microwaving Liquids: Dielectric Heating

Learn more about how plants work with this cool celery experiment! Use this worksheet to help you record your observations after doing this experiment.

Celery Experiment

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Seafloor Spreading Model

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Windmill Model Science Project

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 Single Fixed Pulley System

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Series and Parallel Circuits

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

The Hydrologic Cycle

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Wacky Windmill Challenge

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Building Brick Challenge: Find the Perfect Fit

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for &ldquo;something that will improve the school.&rdquo;

Design Challenge: Improve the School

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

Design Challenge: Making a Catapult

In this activity, your child will be challenged to make a tower using paper cups.

Design Challenge: Creating a Cup Tower

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Design Challenge: Egg Drop

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

Dig It! #4

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Cleaning With Lemon Experiment

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How to Make Gears

Transform the traditional egg drop experiment as you help students to engage in design thinking and develop empathy.

Humpty Dumpty and Design Thinking

This science fair project idea explores  whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Slinky: Metal vs. Plastic

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

Like Oil And Vinegar

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

What is a Wedge?

These STEM design challenge cards ask learners to build something new for a specific reason or purpose and are a great way to foster creative thinking.

STEM Design Challenge Cards

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