Author Archives: Jason

Nickel Metal Hydride Battery

This battery uses a hydrogen absorbing alloy for the negative electrode instead of cadmium. They are interchangeable with most NiCd batteries, but NiMh batteries have a greater capacity and they are more environmentally friendly. The positive electrode for this battery … Continue reading

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Lithium Ion Battery

A very light, rechargeable battery commonly used in notebook computers, cell phones and camcorders. As one of the newer batteries out today, this battery can give 40% more capacity than a comparable sized NiCd battery. This battery is a rechargeable … Continue reading

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How to Build a Flashlight

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this project: • 2 D batteries • 2 5” pieces of #22 copper insulated wire w/ … Continue reading

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How to Build a Magnetic Compass

First you need to gather up all of the materials you will need. Below is a list of the following items needed to build this project: • 2 needles • 1 small strip of paper • A glass jar • … Continue reading

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Light a Bulb with a Balloon Experiment

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this experiment: • A balloon • A fluorescent light bulb • A dark room • Parental … Continue reading

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Oersted’s Experiment

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this experiment: • A battery power pack • 1 small non-metallic bowl • A needle • … Continue reading

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How to Build a Galvanometer

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this project: • A battery power pack • A compass • A strip of 3” x … Continue reading

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Bending Water Experiment

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this experiment: • 1 plastic comb • A sink • A water faucet Are you ready? … Continue reading

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Water Electrolysis Experiment

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this project: • A 9 volt battery • 2 pencils – remove the eraser and metal … Continue reading

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Does Cold Affect Hearing Aid Battery Life?

First you need to gather up all of the materials you will need. Below is a list of the following items needed to conduct this project: • 3 hearing aids • 3 hearing aid batteries to fit the above hearing … Continue reading

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