Curated OER
Salt: Up Close and Personal
Students predict, observe, and explain the details of salt as they view it under a variety of magnifications. They observe salt with the naked eye, and then under a hand lens, microscope, and the electron microscope.
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Straw Chromatography
Students become acquainted with the principles of liquid chromatography and construct a liquid chromatography column. Students also investigate the effects of different solvents and solvent concentrations in the separation process.
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The Center of Mass
Students determine the center of mass of two irregularly shaped objects, determine when the center of mass is inside or outside the boundaries of the object, determine when and/or why an object is stable, balanced, unstable or unbalanced.
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Matter and Molecular Motion
Fourth graders define the states of matter and their properties. They demonstrate the air is matter and observe the effect of molecular motion through these activities.
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Rock Hunters
Students observe rocks of various types and sizes and record these observations through drawings. They gather rocks, measure, classify, observe, describe and record their collection.
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Making Waves, Making Music, Making Noise
Students construct "talking cans" and instruments to explain how vibration of objects produces various sounds.
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The Elements
Students watch video, The Elements, research information about elements using both the Internet and CD-ROM program, and create atoms out of gumdrops and licorice.
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Rock On!
Fourth graders make models of igneous, metamorphic, and sedimentary rocks out of different types of candy and cookies.
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Making Tracks
Students cast animal tracks on a field trip. They split up to capture tracks from different areas and use plaster of Paris to mold to the footprint. They bring casts back to class, create a negative mold and paint it black.
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RIDING THE WIND
Students locate the Trade Winds, Westerlies and Polar Easterlies on a map, explain the impact of the rotation of the Earth, and plot a route for a round trip voyage from New York to London.
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From Bats to Babies: Ultrasound
Students research and analyze sound waves and how an ultrasound works to image a baby in utero. They explore various websites, complete worksheets, and write a paragraph describing a demonstration they view in the classroom.
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Winter
High schoolers explore the nature of water and water molecules. They examine the role of ice on organisms.
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Disappearing Sand
Students discover what sand looks like, how sand dunes form and what minerals can be found in sand. They also examine how beach erosion occurs. They explore how to stay safe at the beach.
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Lights in the Night Sky
Students read about and explore solar winds and spectacular auroras, specifically the Aurora Borealis, also known as the Northern Lights.
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Dimming The Sun
Students review the meanings of global warming and global dimming. While watching a video, they take notes on different aspects of the issue. In groups, they develop a list on what can be done to reduce global dimming. They...
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1928 Flu
Young scholars state the some diseases are the result of infection. They describe the risks associated with biological hazards, such as viruses. Pupils name ways that infectious disease can be prevented, controlled, or cured. Students...
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Origins: Earth Is Born
Students develop a timeline of all the major events involved in the formation of the Earth and the emergence of humans. In groups, they focus on a specific topic by watching a PBS program and taking notes. After the video, they list...
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Forces of Nature: The Challenges of River Travel
Students examine how river travel affected the Lewis and Clark expedition. They define gravity, slope, and velocity, conduct a river formations experiment, complete an activity sheet, and watch a video about Lewis and Clark.
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Elegant Universe, The: Einstein's Dream
Students visualize a universe with fewer than three spatial dimensions. They consider how more than three spatial dimensions could exist in the universe.
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Soil Erosion
Students examine how erosion is affected by the composition of the soil and the slope of the land. They look at plant roots, rocks and land slope as experimental factors. They complete the associated worksheets before discussing their...
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Mathematical and Chemical Relationships of Stoichiometric Problems
Students review key words used in stoichiometry such as mole, molar mass, Avogadro's number, and mass - mole relationships. They participate in a series of small experiments to explore solving stoichiometry problems in the laboratory.
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Cleaning Air with Balloons
Students examine how a pollutant recovery method functions in cleaning industrial air pollution. They listen to a teacher-led discussion, conduct an experiment with balloons, static electricity, and pepper, and observe and record the...
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Soil Detectives: The Case of the Lost Friends
Young scholars show how soil varies across the landscape, they explain how soil can be used to solve mysteries. Pupils are introduced to techniques that would be used to distinguish soils from different places.
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SCRUMPTIOUS SOIL
Students engage in investigations that lead to the discovery that earth materials consist of rocks, soils, water, and air. They build models of soil profiles, using breakfast cereal and other edible materials. They observe how water...
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