Torque was discussed extensively. The experiment is divided into two parts. In the first experiment‚ the meter stick was weighed and the group was tasked to find the center of gravity of the uneven meter stick and supporting the meter stick other than its center of gravity‚ bring it into equilibrium using the weight of a single mass. In the second part of the experiment‚ the meter stick was supported on the 30 cm mark and weights were applied (200g at 10 cm mark‚ 100g at 20cm mark‚ 20g at 90 cm
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Glow Stick Lab – Informal Hypothesis: I believe the glow sticks will become ultimately brighter in the warmer temperature beaker as heat cause molecules and particles to move faster and rapidly thus producing energy where as when the glow stick is the cold temperature beaker I believe it will dim in light as energy id being taken away as particles are moving much slower and are closer to each other. Materials: * Hot plate * Two beakers (200mL) * Two glow sticks * Water * Thermometer
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Building a Popsicle-Stick Bridge The goal: to build the strongest possible bridge to take a matchbox car‚ using wooden popsicle sticks. Constraints: The bridge must span a 55cm gap No more than 100 popsicle sticks may be used The sticks may not be cut Only white glue may be used Construction paper may be used for the deck only The test load is applied to a 4cm-wide section at the top of the arch. The test jig looks like this: (Well-built bridges can
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My Walking Stick This is a barbershop style song sung by Golden Gate Quartet. The song is accompanied by guitar and the singing group is consist of four men. At the beginning of the song‚ the rhythm is free. It starts with the guitar playing an arpeggio‚ establishing the key of the piece. At 8”‚ the tenor‚ bass and the baritone sing the same chord‚ and the highest pitch is the same as the last note that the guitar played. While the chord is continuing‚ the lead sings an improvisation based on
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are commonly accepted; however‚ the novel Crow Lake takes a different stand from these myths. Mary Lawson‚ author of the novel‚ demonstrated isolations in many of its forms through the protagonist‚ Kate‚ and a small‚ desolated rural community that represented the primary setting of the novel‚ Crow Lake. By doing so‚ Lawson reveals the counterfactual nature of these myths and thus correcting the misconceptions that the society has about isolation. In Crow Lake‚ Lawson eliminates the misconception
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The Dog Domestic dog‚ carnivorous mammal‚ generally considered the first domesticated animal. The domesticated dog has coexisted with human beings as a working partner and household pet in all eras and cultures since the days of the cave dwellers. It is generally believed that the direct ancestor of the domestic dog is the wolf‚ originally found throughout Europe‚ Asia‚ and North America. Remains of a dog‚ estimated to be 10‚500 years old‚ have been found in Idaho. TAXONOMY Kingdom: Animalia Phylum:
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Sticking up for diversity I’m going to stick up for diversity because if we were all the same it would be a complete disaster. I will cover what is diversity? Why is diversity important? Why is sticking up for diversity important? How can you stick up for diversity? What is diversity? Diversity is a range of different things for example you are African American‚ and I am white. You’re a boy and I am a girl. This is what diversity is. Why is diversity important? Diversity is important because if
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The Incident of the Goalie Stick I had just finished my hockey game‚ one which we lost by far. I slowly skated my way off the ice‚ as everyone looked at the “losing team” in disappointment. I stepped my way over to the locker and to my surprise‚ a couple of kids had found a broken goalie stick‚ and the floor was a mess with splinters. It looked as if a volcano had erupted in the left side of the tiny locker room. These kids swung it back and forth‚ trying to break it‚ but had no luck in doing so
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Earth with a Stick Have you ever heard of the Greek mathematician and astronomer Eratosthenes? His name is probably best known among astronomers. Why do they think so highly of him? Eratosthenes was born about 276 B.C.E. and received some of his education in Athens‚ Greece. He spent a good part of his life‚ however‚ in Alexandria‚ Egypt‚ which at that time was under Greek rule. In about 200 B.C.E.‚ Eratosthenes set out to determine the dimensions of the earth by using a simple stick. “Impossible
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more than likely‚ the dog did indeed descend from the gray wolf. Although the oldest fossils of a domesticated dog are from a 14‚000-year-old dog grave‚ DNA evidence suggests dogs diverged from wolves much earlier than that (with estimates ranging from 15‚000 to more than 100‚000 years ago) [source: Wade]. Regardless‚ historians agree that humans domesticated dogs before any other animal -- making dog man’s oldest friend‚ if not his best. Scientists can only guess how dogs and humans first became
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