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  1. Only showing results from www.brighthubeducation.com

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  2. brighthubeducation.com

    The 17th century, or the time between 1601 and 1700, was revolutionary. This was the time period when science, math, and reason all began to emerge from the shadow of mysticism and superstition. It was during this period that the great thinkers who would inspire the industrial revolution began making themselves known.
  3. brighthubeducation.com

    In the 18th century, people mostly used a fireplace as the main source of heat. These places were rather inefficient, producing a lot of smoke and losing much of the generated heat. The sparks were also very dangerous, as they could cause a fire. In order to fix these problems, Ben Franklin invented a new type of stove.
  4. brighthubeducation.com

    The Chinese kept winter ice for summer use as early as the 18th century by building icehouses kept cool by evaporation. During the Tang dynasty, they learned to collect huge blocks of ice from the mountains or frozen rivers and ponds and buried the cold slabs in caves or underground pits that acted as giant refrigerators. ... "Cream ice ...
  5. brighthubeducation.com

    Public Library: In the early 18th century, books were mainly available to wealthy people, whom had their own private libraries. In 1751, Franklin developed the concept of a subscription library where members paid a fee and shared books amongst themselves. This system served as the model for the public library system.
  6. brighthubeducation.com

    It would take almost another fifty years and several alterations by other inventors before it would become commonly used. Cotton Gin Eli Whitney patented the cotton gin (short for cotton engine) in 1794. Prior to the invention of the cotton gin, cotton seeds had to be removed from the cotton fiber by hand. This invention made cotton a much more ...
  7. brighthubeducation.com

    From ancient Rome to inventions of the twentieth century, this site provides brief explanations of historical events. It is based out of the UK and complete with colorful pictures. Homeschool Central. A good resource for learning American history. The site provides help for the homeschool teacher to present history to her students.
  8. brighthubeducation.com

    Archimedes was one of the greatest mathematicians of all time but he is most famous for his war machines used during the siege of Syracuse in the year 214. Utilizing his knowledge of mathematical principles, Archimedes created the giant claw, the catapult, and the death ray to rend off the attacking Roman army.
  9. brighthubeducation.com

    In the 17th century, an amateur chemist named Robert Boyle started to label substances according to two fundamental characteristics: acids and bases. Substances can be categorized using a simple test called the litmus test. This test involves a dye called litmus. When it comes in contact with acids, it turns red.
  10. brighthubeducation.com

    Categories. Advice for parents of teens (42) Chinese lesson plans for secondary grades 6 12 (25) Classroom management tips methodologies (125) Education industry news opinion (39) English lesson plans for middle school (358) Esl lesson plans for all grade levels (161) Esl teaching tips strategies for any grade level (137)
  11. brighthubeducation.com

    The Chinese invented the magnetic compass in the 12th century. To navigate their course, they relied on inaccurate maps and more guesswork. Their speed was measured by throwing a float over the side of the boat tied to a knotted rope and they counted the knots to estimate speed. That's why the word "knot" is synonymous with 1 nautical ...

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