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Others Like “A Bright Idea for Saving Energy”

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Science Fair Project Idea
thumbnail Global warming, climate change, melting ice caps—these are all big events that have an impact our environment. What can we do to help reduce the impact? We can reduce, reuse, and recycle. What can cities do to help? Cities can eliminate waste by saving energy. Cities around the world are switching from incandescent traffic signals to LED traffic signals to save energy and money. That's because LEDs are more efficient than incandescent lamps, which means that LEDs produce more light… Read more
Energy_p003
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Time Required Long (2-4 weeks)
Prerequisites Prior experience with using a digital multimeter
Material Availability Specialty items (see Materials list)
Cost High ($100 - $150)
Safety Since this science project deals with electricity, adult supervision is recommended. The LEDs used in this project are used in traffic signals and are very bright. Do not look directly at the LED when it is in operation and be sure to wear your sunglasses. Be sure to wear safety goggles when operating power tools.
Science Fair Project Idea
thumbnail You've probably heard that compact fluorescent light bulbs are more efficient than incandescent bulbs. More of the electricity they use goes into producing light, and less into producing heat than with incandescent bulbs. How much more efficient are compact fluorescent bulbs? You can find out for yourself by making a simple photometer to compare the light output from different bulbs. This project shows you how. Read more
Phys_p031
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Adult supervision is recommended for cutting wax.
Science Fair Project Idea
Maybe somewhere in your home there's a long hallway or a stairway with a light that you can turn on from either end. It's a nice convenience, but did you ever wonder how it's wired up to work that way? The goal of this project is to build a similar circuit with switches, flashlight batteries and a flashlight bulb (obviously, household circuits are not safe to experiment with). You'll need to understand the difference between connections made in series and connections made in parallel in an… Read more
Elec_p045
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Time Required Short (2-5 days)
Science Fair Project Idea
Solar cells are an alternative method for generating electricity directly from sunlight. With this project, you can get down to the atomic level and learn about the world of solid-state electronics as you investigate how solar cells work. Your experiment will measure the effect of changing light intensity on power output from the solar cell. A possible variation would be to investigate the effect of changing the color of the light. Read more
Energy_p014
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety No issues
Science Fair Project Idea
Here's a puzzle you may have heard before which you can build as a simple electric circuit. First, the puzzle: a farmer is traveling to market with his cat, a chicken and some corn. He has to cross a river, and the only way to cross is in a small boat which can hold the farmer and just one of the three items he has with him. The problem is, he has to be very careful about what he chooses to leave behind at any time. If the cat and chicken are left alone, the cat will eat the chicken. If… Read more
Elec_p046
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Time Required Average (6-10 days)
Science Fair Project Idea
thumbnail What do lamps, computers, televisions, printers, and kitchen appliances all have in common? They all need electricity to work. In order for electricity to provide power to these devices, it has to flow into and out of them. In this electronics science fair project, you will make your own simple circuit tester and use it to study how electricity flows through a lamp. Read more
Elec_p059
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Average ($50 - $100)
Safety Adult supervision is required. All devices that are tested should be unplugged. Don't take any electrical appliances apart to test components inside. Before testing any device, you must make certain that you have removed all electrical power to the device. Do not go near the sockets in the wall with the circuit tester.
Science Fair Project Idea
You're coming into the house after a game of flashlight tag with your friends, but the front porch light isn't even on for you to see the door knob! What gives? Maybe your parents know that turning a light on means moths will gather there, and they don't want you letting them inside when you open the door. You've probably noticed how moths are attracted to lights at night. They will even fly dangerously close to flames in their journey toward light. In this animal behavior science fair project,… Read more
Zoo_p059
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Time Required Average (6-10 days)
Prerequisites You will need access to an area with moths. See the Experimental Procedure for details.
Material Availability Readily available
Cost Average ($50 - $100)
Safety No issues
Science Fair Project Idea
thumbnail "How do you frighten a grasshopper? And what does that have to do with light?" These are a couple of questions you're probably asking yourself after reading the title. Well, The Frightened Grasshopper Solar-Powered Bug is actually a toy grasshopper that vibrates when it is placed in sunlight or near a lightbulb. It stores up the energy from light, and converts it into motion. You will use this fun toy to explore how the brightness of the light affects the motion of the solar-powered insect. Read more
Elec_p061
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability The Frightened Grasshopper toy needs to be ordered from online. See the Materials and Equipment list for details.
Cost Low ($20 - $50)
Safety Adult supervision is required. The lightbulbs will be hot, so use caution to avoid getting burned by the bulbs. The Frightened Grasshopper toy should be assembled with the help of an adult since it is fragile and has some small parts.
Science Fair Project Idea
Math can make you money! If you understand some basic math, you can make good decisions about how to keep, spend, and use your hard earned dollars. Try an experiment comparing the same balance in different types of bank accounts. How much better is a savings account than a checking account? What difference does the interest rate make? Which is better, an account that earns compound or simple interest? Can you compare the short and long term costs of borrowing money compared to saving the cash… Read more
Math_p027
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Time Required Short (2-5 days)
Science Fair Project Idea
Here's a project idea for all of you bakers out there. What happens if you try your favorite muffin recipe with different types of flour (e.g., white, whole wheat, rye, soy, etc.)? Think of ways you can measure the results. How would you measure the density of a muffin? A kitchen scale would definitely be useful for this project, both for measuring the results and for portioning out the batter for equal-sized muffins. What other measures might be of interest? (Nakajima, 2005) Read more
MatlSci_p029
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Time Required Short (2-5 days)
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