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Results 51 - 60 of 562 DLESE Reviewed Collection = DLESE Reviewed Collection <<  2 3 4 5 6 7 8 9 10  >>
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This is a lesson about the magnetic field of a bar magnet. The lesson begins with an introductory discussion with learners about magnetism to draw out any misconceptions that may be in their minds. Then, learners freely experiment with bar magnets and various materials, such as paper clips, rulers, copper or aluminum wire, and pencils, to discover that magnets attract metals containing iron, nickel, ... Full description.
Grade level: Middle (6-8)
Resource type: Classroom activity, Assessment / Evaluation
Subject: History and philosophy of science, Physics
 
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This is a lesson to demonstrate magnetic field lines in 2- and 3-dimensions. In the first activity, learners sprinkle iron filings over a magnet underneath a paper and record their observations. The second activity involves building a 3-D magnetic field visualizer using a clear plastic bottle, a cow magnet and iron filings. This is the second lesson in the first session of the "Exploring Magnetism" ... Full description.
Grade level: Middle (6-8)
Resource type: Classroom activity, Assessment / Evaluation, Presentation / Demo
Subject: History and philosophy of science, Physics
 
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This is a lesson about measuring magnetic field directions of Earth and in the environment. First, learners go outside, far away from buildings, power lines, or anything electrical or metal, and use compasses to identify magnetic North. Next, they use the compasses to probe whether there are any sources of magnetic fields in the local environment, including around electronic equipment such as a CD ... Full description.
Grade level: Middle (6-8)
Resource type: Classroom activity, Assessment / Evaluation
Subject: History and philosophy of science, Physics
 
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This is a lesson about exploring asteroid resources. Learners will research and document some of the requirements for mounting an expedition to an asteroid; actively explore potential resources available to space travelers through research, assessment, team cooperation, and exploration simulations; develop the background to make the connection between meteorite research and potential planetary resources; ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity, Guide for instructor, Lesson plan, Visualization - scientific
Subject: History and philosophy of science, Space science
 
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This is a lesson about finding meteorites. Learners will use water balloons to demonstrate meteorite impacts, use geography to assess various terrains for meteorite recovery, attempt to recover simulated meteorite fragments, make experimental predictions, graph the results, and draw conclusions. This is lesson 3 of 19 in Exploring Meteorite Mysteries. Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity, Lesson plan, In-situ dataset
Subject: Geology, History and philosophy of science
 
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This lesson is comprised of four parts grouped to enable student appreciation of the importance making accurate scientific observations, descriptions, and drawings. In part one, The Truth is Out There, students describe an object given to them by their instructor to illustrate the importance of good descriptive skills in scientific observation. In part two, Who Knows?, students attempt to draw and ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Lesson plan
Subject: History and philosophy of science, Mathematics
 
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This online module includes three activities: Spiral Shapes, Elliptical Slide, and Imagine Irregular. By completing these activities, students discover that galaxies come in different shapes and learn about the process used by astronomers to classify them. Additional background information is provided in the Galaxy Gossip and Galaxy Gallery sections of this module. Students may complete this activity ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8)
Resource type: Classroom activity, In-situ dataset
Subject: History and philosophy of science, Space science
 
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In this hands-on activity, students analyze the data on Mystery Object Cards, observe that astronomical objects have many observable properties, and discover that these properties allow scientists to categorize astronomical objects into different groupings. Students also discover that, because objects can be grouped in different ways, discrete categorization is not always possible. This is why scientists ... Full description.
Grade level: High (9-12)
Resource type: Classroom activity, Lesson plan
Subject: History and philosophy of science, Space science
 
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This is a series of hands-on activities comprised of fieldwork and lab work about the basics of soil science. Learners record soil context descriptions, measure soil moisture, describe soil color, structure, consistency, and texture and conduct tests for biomarkers and chemical analysis and pH. By measuring for themselves many of the properties scientists use to characterize soil samples, learners ... Full description.
Grade level: Intermediate (3-5), Middle (6-8), High (9-12)
Resource type: Classroom activity, Guide for instructor
Subject: History and philosophy of science, Space science
 
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In this introductory textbook chapter, students learn that life on Earth would not be possible without the atmosphere and its greenhouse effect. The history of research on the role of greenhouse gases in the atmosphere is presented, and the concept of contemporary climate change and global warming are introduced. This is the first chapter in the unit, Climate Change, which addresses the question of ... Full description.
Grade level: High (9-12)
Resource type: Book - text
Subject: Climatology, History and philosophy of science
 
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Results 51 - 60 of 562 <<  2 3 4 5 6 7 8 9 10  >>