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Accelerated Frames of Reference: Inertial Forces
High schoolers 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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Fraud In Science: Circumstances and Consequences
Learners analyze a case study and evaluate its implications on the scientific community. For this Science ethics lesson, students read a case study and write responses to questions. Learners discuss the actions of each scientist and...
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Breaking News English: Self- Breaking News English: Self-Destructing Mobile Phone Messages
In this English learning exercise, students read "Self-Destructing Mobile Phone Messages," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.
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Arabian Horses
In this online quiz worksheet, students answer a set of multiple choice trivia questions about Arabian horses. Page has a link to answers.
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Property: Ownership, Respect, and Responsibilty
Students brainstorm objects that belong to themselves, classmates, the teacher, and the school. They discuss and rank what happens when personal property is damaged.
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Community Building during the Great Society
Students, by analyzing articles from the "Mobilization for Youth News Bulletin," identify the ways that students in the 1960s worked to improve their community.
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May The Earth Be Revolving Around The Sun?
Students trace the beginning of the heliocentric theory of the solar system--the idea that the solar system revolves around the Sun--to an observation by the Greek astronomer Aristarchus, which convinced him that the Sun was much bigger...
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Stargazers And Skywatchers
Students recognize the daily motion of the Sun across the sky, defining the main directions of east, west, south and north. They see how the first calendars were based on changes in the Sun's noontime elevation, and on locations of...
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Geology in the News
Students discover the underlying scientific principles in common, daily events.
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Density Currents
Students study how fluids of differing densities interact with one another, how densities of fluids can be changed, and how density currents transport and deposit tremendous amounts of sediment in lakes and in the ocean.
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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 Celestial Sphere
Young scholars are introduced to the celestial sphere, describing its apparent rotation and the special role of the pole star.
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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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Seasons of the Year
Learners examine how the link between the tilt of the Earth's axis to the ecliptic and seasons of the year--length of day, effectiveness of sunlight, polar day and night, and seasons south and north of the equator, as well as near it.
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The Angle of the Sun's Rays
Students study elevation of the Sun above the horizon and the angle of the rays and their heating power.
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Newton's 3rd Law
High schoolers examine how the formal definition of Newton's 3rd law: forces always originate in pairs, equal in magnitude and opposite in direction. They also examine how the informal, qualitative version: Each action has an equal and...
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Airplane flight
High schoolers learn the basic concepts about airplane flight. They learn the reason jetliner wings are swept back and why jet engines have replaced propellers in high-speed flight.
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Sayings and Phrases
Fourth graders respond to six sayings that are introduced in this lesson. They brainstorm, justify, explain, describe, create and relate as they respond.
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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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Kepler's Third Law
Learners 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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Hand-Off Tag
Young scholars participate in a P.E. tag game. They demonstrate the proper football carrying form and the hand-off position throughout the game.