High School, Electricity & Electronics Science Experiments (2024)

Fun science experiments to explore everything from kitchen chemistry to DIY mini drones. Easy to set up and perfect for home or school. Browse the collection and see what you want to try first!

Stop for a minute and try to imagine your world without electrical power and electronic gadgets. No convenient appliances in the kitchen, no electric lights. No computers, MP3 players, television, or video games. Your life would be completely different, wouldn't it? Electricity and electronics are so central to modern life that, paradoxically, they're easy to overlook.

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Build a Simple Electric Motor!

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High School, Electricity & Electronics Science Experiments (3)

Science Fair Project Idea

When you think of a motor, you may immediately think of a car, but you actually encounter other motors in your home every day. That's right, if you put on clean clothes from the washing machine, ate food from the fridge, or used a fan, you used an electric motor. In this electronics science project, you will make a simple electric motor with two magnets that "talk" to each other. As they interact, they will alternate between "liking" each other (pulling together), and "disliking" each other… Read more

High School, Electricity & Electronics Science Experiments (5)

Explore Optical Illusions: Build an Infinity Mirror

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Science Fair Project Idea

Do you want to trick friends and visitors with an amazing optical illusion? In this engineering design project you will learn how to build an infinity mirror,with built-in lights that make the mirror look like a deep tunnel with no end. But pick the mirror up and look behind it, and you will see that it is only a couple of inches thick! Read this project to find out not only how this illusion works, but how to design and build your very own infinity mirror from scratch. Read more

High School, Electricity & Electronics Science Experiments (7)

Build a Magnetic Pet Door

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High School, Electricity & Electronics Science Experiments (8)

Science Fair Project Idea

Does your home have any pet doors or gates for dogs, cats, or other animals? Some automatic pet doors can be set up to allow only certain animals through. These doors can help you control which pets are able to go outside alone or which ones have access to specific food, litter boxes, or toys. But why buy such a door when you can make one? In this project you will build your own automatic pet door that works with a magnetic collar tag. Exactly how you use it is up to you! Read more

High School, Electricity & Electronics Science Experiments (10)

The Strength of an Electromagnet

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High School, Electricity & Electronics Science Experiments (11)

Science Fair Project Idea

You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if you turn them off, their magnetic properties disappear. Electromagnets are an important part of many electronic devices, like motors, loudspeakers, and hard drives. You can create an electromagnet with a simple coil of wire and a battery. In this project,… Read more

High School, Electricity & Electronics Science Experiments (13)

Build a Paper Speaker

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STEM Activity

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Do you think you can build a working speaker out of paper? If you like listening to music, this project is for you! Read more

High School, Electricity & Electronics Science Experiments (15)

Build Your Own Crystal Radio

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High School, Electricity & Electronics Science Experiments (16)

Science Fair Project Idea

Have you ever wondered how a radio can grab signals that are transmitted through the air and convert them into sound? In this science project, you will build your own AM radio receiver from scratch and use it to listen to AM radio broadcasts. With your crystal radio you will be able to experiment with the circuit and the antenna to get the best reception. Read more

High School, Electricity & Electronics Science Experiments (18)

Is It Ripe Yet? Build a Circuit to Detect Ripe Produce

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Science Fair Project Idea

When you go to the supermarket, how do you pick out ripe fruits and vegetables? You might look at their size or color, or feel them for firmness. That might be easy to do when you pick out a half dozen apples, but imagine if you had to examine thousands of apples growing in a field, or strawberries coming down a conveyor belt getting ready for packaging. Suddenly, it is a lot harder to do yourself! What if a machine could pick and sort the produce for you? In this project, you will address part… Read more

High School, Electricity & Electronics Science Experiments (20)

Make a Paper Circuit

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STEM Activity

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Do you like arts and crafts projects like drawing, painting, cutting shapes out of construction paper, or origami? Instead of drawing that bright sun or lights in a house, imagine adding real lights to your artwork! This project will show you how, by introducing you to the world of electronics with "paper circuits." Paper circuits are made with just a few simple items; you can use a battery and some copper tape to add tiny lights to your project. The best part is that it is easy to do, and you… Read more

High School, Electricity & Electronics Science Experiments (22)

How to Make a hom*opolar Motor

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STEM Activity

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What do you need to make a motor? Not much! In this quick activity, you will make a simple motor using nothing but a battery, magnet, and a piece of wire. Read more

High School, Electricity & Electronics Science Experiments (24)

Dealing with Diabetes: The Road to Developing an Artificial Pancreas

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High School, Electricity & Electronics Science Experiments (25)

Science Fair Project Idea

Imagine if you had to take medicine every time you ate, and you had to use a math formula to figure out how much medicine to take based on the nutritional makeup of the food, how you were feeling, and what activities you were planning to do. You might also need extra medicine throughout the day (even in the middle of the night) based on your blood glucose levels. People with diabetes who take insulin do this every day. They use finger sticks and blood glucose meters or a continuous glucose… Read more

High School, Electricity & Electronics Science Experiments (27)

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High School, Electricity & Electronics Science Experiments (2024)
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