Monthly Archives: December 2016

December 21 Science 7 Relating Electricity and Magnetism–other ways to generate electricity

Electricity and magnetism–how are they related? What happens to the needle of a compass when place near a wire that is carrying an electric current? See the pictures below. Notice the orientations of the battery and the compass. What will … Continue reading

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19 December Science 7 Electricity–a “snack”

Some background: Static electricity (static–not moving) Charge (having the property of behaving “electrically”)(do not confuse electric charge with magnetic pole–electricity and magnetism are related but not the same) Positive and Negative (an interesting story of a theory we no longer … Continue reading

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16 December Science 8 Modeling the Moon and Letter from Earth

Modeling the moon. 16 December 2016 at 7:00 am New Delhi (Vasant Vihar) looking west Letter from Earth Imagine that you have the opportunity to communicate with an extraterrestrial intelligence (whose intentions toward humans are benign and may, in fact, … Continue reading

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15 December Science 7 Assessment review–3 air experiments–magnets

Review of assessment. Measuring the density of air. Heating air–three demonstrations. Phase changes–differential pressure. Magnets and magnetism: See the following pictures–and follow the instructions: Bar magnets should not touch. They should not be dropped or heated. They should be stored … Continue reading

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14 December 2016 Science 8 Astronomy continued

Go over assessment Get calendar and count days from fall equinox to spring. And from spring equinox to fall. Explain difference. Draw ellipse. Kepler’s Laws (from Wikipedia): The orbit of a planet is an ellipse with the Sun at one … Continue reading

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13 December Science 7 Written assessment energy/hot air balloon

Complete written assessment. Follow directions in class. When you finish. Have a good visit with your partner tree. Picture. Observations. Changes since the last time. Prediction of what you will see in January. Record all in your partner tree sub-folder … Continue reading

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12 December Science 8 Written assessment astronomy

Put your name and period on each sheet of paper you use. Follow the instructions. When you are finished: Review the moon rising and setting times and phases for the past month: https://www.timeanddate.com/astronomy/india/new-delhi https://www.timeanddate.com/moon/india/new-delhi Investigate the SETI website: http://www.seti.org/ Find out about … Continue reading

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8 December Science 8 Finish solar system model and presentation; prepare for written assessment

Finish / polish solar system model and presentation (not only what we know but also how we know) Scaled sizes and distances (how do we know? what techniques have been used to establish distances? Check out Aristarchus: http://astrosun2.astro.cornell.edu/academics/courses/astro201/aristarchus.htm  and Brahe/Kepler: http://galileoandeinstein.physics.virginia.edu/lectures/tycho.htm) … Continue reading

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7 December Science 7 Inspecting balloon behavior, heating air, cooling air, thermodynamics

A once popular song:  Up, up and away in my beautiful, my beautiful balloon by Jimmy Web–performed by many. Here is the 5th Dimension:       https://www.youtube.com/watch?v=5akEgsZSfhg Today is an altered schedule. Only 60 minutes for the class. The morning … Continue reading

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6 December Science 8 constructing a scale model of the solar system

Hello Voyagers, Today we will need to leave the classroom all together as soon as possible. 1. Bring your air pollution mask. 2. Gather materials (have a plan for who is to pick them up to bring back to the … Continue reading

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