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Results 1 - 10 of 56 DLESE Reviewed Collection = DLESE Reviewed Collection 1 2 3 4 5  >>
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This activity and demonstration teaches the concept of parallax (the apparent movement of an object caused by a change in the viewer's position) and relates the concept to a real-world astronomical event, ­the discovery of Pluto. It employs the Blink Comparator, an online simulation illustrating the technique used by Clyde Tombaugh to discover the ninth planet on February 18, 1930. Full description.
Grade level: Intermediate (3-5)
Resource type: Classroom activity, Lesson plan
Subject: Physics, Space science
 
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National Science Education Standards (NSES): Read
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This lesson plan is part of the DiscoverySchool.com lesson plan library for grades K-5. It focuses on the diets of astronauts during space missions. Students bring in dehydrated foods to see how they are different from other foods, and discuss why it is necessary to have dehydrated food in space. Included are objectives, materials, procedures, discussion questions, evaluation ideas, suggested readings, ... Full description.
Grade level: Primary (K-2), Intermediate (3-5)
Resource type: Lesson plan
Subject: Space science, Technology
 
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National Science Education Standards (NSES): Read
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This lesson is the first of a two-part series on the science of hurricanes and the kinds of technology being used to identify and track them. In this segment, students examine different scientific aspects of hurricanes, all in an effort to begin to understand the nature of motion, particularly how changes in speed or direction of motion are caused by forces. Full description.
Grade level: Intermediate (3-5)
Resource type: Lesson plan
Subject: Atmospheric science, Natural hazards
 
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National Science Education Standards (NSES): Read
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This interactive site introduces the concept of gravitational attraction and provides some examples. It introduces Sir Isaac Newton and points out that he was the first to recognize that the force that keeps the moon in orbit is the same force that pulls a ball to Earth. There are also brief descriptions of the role of gravity in the universe, and a 'thought experiment' in which students try to imagine ... Full description.
Grade level: Primary (K-2), Intermediate (3-5)
Resource type: Computer activity
Subject: Physics, Space science
 
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National Science Education Standards (NSES): Read
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This lesson allows students to compare and contrast three NASA satellites: The Extreme Ultraviolet Explorer (EUVE), The Cosmic Background Explorer (COBE), and the Hubble Space Telescope (HST). The lesson includes access to data and images from these three NASA astronomy satellites, contrasting the way the sky appears in three very different electromagnetic wavelengths or colors of light. Other satellite ... Full description.
Grade level: Primary (K-2), Intermediate (3-5)
Resource type: Guide for instructor, Lesson plan
Subject: Space science, Technology
 
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National Science Education Standards (NSES): Read
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This lesson plan is part of the DiscoverySchool.com lesson plan library for grades K-5. It focuses on tsunamis, or tidal waves, and how they are caused by a certain type of earthquake. Students work in teams to produce earthquake wave effects on water. Included are objectives, materials, procedures, discussion questions, evaluation ideas, suggested readings, and vocabulary. There are videos available ... Full description.
Grade level: Primary (K-2), Intermediate (3-5)
Resource type: Lesson plan
Subject: Geology, Natural hazards, Physical oceanography
 
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National Science Education Standards (NSES): Read
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In this activity students are asked for their predictions about how different water temperatures will affect movement in the ocean water column. Students will investigate the effect of water temperature on mixing in the water column. They will half fill one jar with the hottest water the faucet will provide and half fill the other jar with chilled water. After allowing the water in both jars to settle ... Full description.
Grade level: Intermediate (3-5), Middle (6-8)
Resource type: Lab activity
Subject: Physical oceanography
 
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National Science Education Standards (NSES): Read
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This article explains the difference between the three South Poles. It describes the south magnetic dip pole which is not even on the Antarctic continent, the ceremonial South Pole, and the Geographic South Pole, the marker of which is constantly on the move. The article also explains why the Geographic South Pole is resurveyed each year and the difference between the Chandler wobble and the precession ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Ref. material
Subject: Physical geography
 
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National Science Education Standards (NSES): Read
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This document explains the predictable and periodic movements of ocean waters that are known as tides and how they are produced by the gravitational forces of the moon and sun. It describes how gravitational attraction and centrifugal force create bulges on either side of the Earth (the high tides), and how two coinciding and simultaneous low tides occur at equal distances around the earth between ... Full description.
Grade level: Intermediate (3-5), Middle (6-8)
Resource type: Ref. material
Subject: Physical oceanography
 
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National Science Education Standards (NSES): Read
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In this activity, students learn how a rocket works by ejecting gas, which produces an equal and opposite force in the direction of the rocket's flight. They will discover that rockets do not have to "push off" of the atmosphere to get into space and that it is not necessary to keep pushing a satellite to keep it moving in orbit because there is no friction in space to cause things to slow down. Students ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8)
Resource type: Classroom activity
Subject: Physics, Space science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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