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This video uses working simple machines to demonstrate how to calculate mechanical advantage. Suitable for any school program involving simple machines. Demonstrates pulley systems including a chain block.
http://slooh.com This video looks at Galileo's important work with the first telescope and includes an overview of the SLOOH robotic telescopes. Robotic telescopes are accessed and controlled using the Internet an incredible evolution of technology from Galileo's first telescopes
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This video demonstrates how to construct a model windmill and then calculate its power output. Includes discussion of Energy, Work, Power, Joules and Watts.
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This video explains how to construct a model of a geodesic dome from card and paper. Some dome history and theory is also included. A good resource for teaching structures and mechanisms.
http://hilaroad.com/ video/ This video explains electricity as the flow of atomic particles called electrons. Animations demonstrate electron flow. Batteries are described as chemical devices designed to create electron flow. Terms covered in video include Volts, current and Amperes.
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Using only vinegar and a few simple materials it is possible to construct a working battery. This video explains how to construct, and use, a battery like this to power a calculator. A good science project as part of an introductory electricity course. This project can be used as a science fair project.
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This video includes step by step instructions for extracting DNA from wheat. This procedure can easily be done at home or school with readily available equipment and supplies.
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Instructions for constructing and electromagnet and an investigation of magnets and the relationship between electricity and magnetism.
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The story of Otzi the Iceman is used to introduce a DNA extraction lab. Einkorn wheat was found on the cloak of this 5000 year old Neolithic warrior. The second video in this series shows how to extract DNA from wheat.
Purchase: http://hilaroad.com/ video/ Creating a battery from a lemon is a common project in many science text books. Successfully creating one of these devices is not easy. This video demonstrates how to construct and use a lemon battery to light an LED and operate a calculator.
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The relationship between Orchid Bees (genus Euglossa)and Orchids is remarkable.
This video shows male Orchid Bees collecting fragrance from a Mexican Orchid, Mormodes badia.
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An arch is a structure commonly used in bridges and buildings. This video presents examples of the arch as a structural unit and introduces the concepts of compression and tension. Provides support for the structures and mechanism unit of grade 6 to 8 science programs. Check our website for more projects: http://hilaroad.com/ projects
