Curated OER
Our Universe: Always Moving, Always Changing
Students explore the main concepts of astronomy through the eleven lessons of this unit. The past, present, and future methods of studying the science are examined in this unit.
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The Four Seasons with "Charlotte's Web"
Students explore the characters and plot of the story, "Charlotte's Web" through the twenty-two lessons of this unit. Characters, facts, and details of the story are recalled and discussed and form the basis of several activities in this...
Curated OER
Observing Mars in the Night Sky
High schoolers compare and contrast the orbits of Earth and Mars, locate the planet Mars, and diagram its retrograde motion.
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How Can a Spacecraft Always Face the Sun?
Students determine the correct orbital path for a satellite that collects data about the sun so that its view of the sun never be obstructed by the Earth.
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How Far Away is SOHO?
Students create a scale model of the Earth and the sun that demonstrates where the SOHO satellite is in relation to the Earth.
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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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The Planet Earth
Students explore the planet Earth, outer space, and Earth's axis. They demonstrate reading comprehension skills, including literal meaning, inference and critical analysis.
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Precession
Students explain how Hipparchus, around 130 BC, used a shift in the predicted location of a lunar eclipse to detect a slight shift in the path of the Sun around the sky. They examine the elliptical orbit in which the Earth travels around...
Curated OER
Bouncing Sunlight
Third graders use flashlights and balls to demonstrate how the light bounces off of the sun and reflects onto the moon. They record their observations in a journal.