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The Path of the Sun, the Ecliptic
Students are introduced to the ecliptic, the zodiac and the apparent motions of the Sun, Moon and planets across the sky.
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Stargazers and Skywatchers
Students observe the daily motions of the sun and relate them to the functions of a sundial. They determine the locations of sunrises and sunsets and determine how the elevation of the sun effects temperature.
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The Path of the Sun: The Ecliptic
Students investigate the celestial sphere and the paths it takes in the solar system.
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Finding the Pole Star
Students study the constellations fo the Big Dipper and Cassiopeia and their use in finding the Pole Star. They realize that other celestial objects--Sun, Moon and planets--share the rotation (and hence rise and set), even though their...
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The Angle of the Sun's Rays
Young scholars study elevation of the Sun above the horizon and the angle of the rays and their heating power.
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Accelerated Frames of Reference: Inertial Forces
Students examine how when applying the laws of motion to an object in an accelerating frame, using coordinates defined in such frame, one must always add an "inertial force", representing forces caused by the frame's acceleration.
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Science
Third graders study light and shadow, participate in mirror activities, and build a periscope.
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May Earth be Revolving around the Sun?
Ninth graders explore how Aristarchus used the position of the half-full Moon to estimate the distance to the Sun, and how he made a great error, but still figured out that the Sun is much larger than Earth.
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Graphs and Ellipses
Students explore linear graphs, the parabola and the rectangular hyperbola.
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Kepler's Third Law
Students use Kepler's third law to derive the velocity in a circular orbit of any radius, and identify the Earth escape velocity.
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Clean Air
Students observe gas molecules in the atmosphere absorbing the light that goes through them.
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Water in the Air
Students simulate how clouds block radition and how water in the air condense around containers.
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Particulate Sampler
Students estimate the extent of particulate air pollution present in their neighborhoods.
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Heat Currents
Students using a slide made out of aluminum foil and pin holes observe visible light.
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Simple Spectroscope
Students make a spectroscope out of simple materials and are expected to view as many different light sources as possible to see the whole spectrum.
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Projecting Spectra
Students use two methods to show and study the colors in the visible spectrum.
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Analytical Spectroscope
Students using a spectroscope view different substances when heated with electricity.
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Water Prism
Students using a glass prism filled with water are able to see all of the visible colors found the sunlight.
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Wavelength and Energy
Pupils using a rope and other materials explore wavelengths and frequency. If time permits, more experiments can be tried.
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Collecting Electromagnetic Radiation
Students using different experiments and activities explore electromagnetic radiation and the effect on the Earth.
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Pinhole Viewer
Learners make a pinhole viewer to demonstrate how it inverts light passing through it which produces inverted images.
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Build Your Own Telescope
Students build a simple astronomical telescope from two lenses and some tubes.
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Light Gathering Power
Middle schoolers compare and calculate the light gathering power of lenses. They determine the ability of various lenses and mirrors to gather light.
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