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Seltzer Breath
Students investigate "indicator" (Bromothymol Blue or BTB) to test for the presence of certain chemicals in liquids and gases. They compare distilled water and seltzer water for presence of carbon dioxide.
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Ditch Playing in Ditches
Students explore about the power of fast moving water and the dangers of playing in storm water ways. They explore the realities of flash flooding and how to choose safer summertime activities. Students become familiar with the city's...
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Natural Hazards
High schoolers evaluate the hazards of naturally occurring events. After watching a video concerning safety hazards, students work in groups to discuss the safety issues involved in taking a trip to a mountainous region. ...
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Learning Lesson: Atmospheric Collisions
Students participate in a demonstration showing how rain drops grow by coalescence. They use ping pong balls and put them in an air stream. They end the lesson discussing flash flood safety.
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Fire Triangle
Students discuss what humans need to stay alive. They observe a candle that is lit and talk about candle safety and controls. They think about what a candle needs to keep burning and relate it to what people need to stay alive. They...
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Activity #17 Liquid Density and Temperature
Students comprehend that hot water rises up through cold water but cold water does not rixe in hot water. They comprehend that water at temperatures above 4oC decreases in density with increases in temperature. Students answer lab...
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Properties of Materials- Leaky Pipe
Students are presented with a problem of an industrial site is losing water through a pipe leakage. They need to find an appropriate material to seal the joints. Working in groups, they analyze the situation, collect additional...
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Learning Lesson: That Sinking Feeling
Students discover the origin of the Great Ocean Conveyor. They participate in a demonstration showing how salinity and temperature affect water density. They also examine the new sea ice that forms every winter.
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Environment: A Day Around the Bay
Young scholars examine various scenarios about pollution around bays and discuss their reactions to them. Among the situations they investigate are construction site soil washing into a tributary, oil from motor boats leaking into...
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The Same But Different
Third graders observe a frozen container filled with ice and discuss what happens when the ice sits out in the room. They practice measuring the mass and volume of the ice, watch as the frozen container is placed in a warm water bath to...
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Activity # 13 Float or Sink?
Students have seen that solids, which are more dense than a liquid, that sinks in that liquid and solids, which are less dense than a liquid, that floats on that liquid. They use a metal boat to float in water. Pupils comprehend that...
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Canned Heat
Learners demonstrate that light and dark colored objects absorb the sun's radiation at different rates. They experiment with the temperature change of water in two locations and discuss the results.
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The Same but Different Part II
Third graders experiment with beakers of water and balloons to measure the volume of the gas in the balloon. They determine ways to change the volume of air in the balloon which changes its size but not its physical state. By heating the...
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Science: Quick Freeze
Students observe an experiment of freezing point depression using club soda. Through observation, they note that the carbon dioxide molecules disrupt the capacity of the water molecules to solidify. Precautions must be taken to assure...
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Activity #15 The Cartesian diver
Students comprehend that the Cartesian diver is a dropper and the water and air inside it. They vary the volume of the air and the amount of water, the diver can be made to be either more or less dense than water. Pupils squeeze the...
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Activity #16 Dancing Spagehetti
Students experiment with floating the spaghetti, the gas functions like a life preserver. Pupils comprehend that a person is slightly more dense than water. They comprehend that a life preservers are made of low-density materials. The...
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Twisters
Students differentiate between the terms 'tornado watch' and 'tornado warning' and simulate the conditions that produce tornadoes. They read "Night of the Twisters" by Ivy Ruckman and conduct an experiment using two-liter plastic...
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The Science of Papermaking and Paper Recycling
Pupils practice bleaching recycled fibers. Using colored copy paper, they cut it into strips and put it in a blender with water. They filter the pulp and stir in the bleach. They compare the original paper with the bleached sample and...
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Wanted: The Infamous Five
Pupils name the five most common types of foodborne pathogens. They comprehend how bacteria can grow and spread. Students are taught healthy hygiene and food-safety habits. They discuss the crimes of the five most wanted foodborne bacteria.
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Making Paper
Students create paper by adding a few small scraps of paper into the blender pitcher and adding just enough water to thoroughly soak paper.
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Laboratory - Density of a Material
Students conduct a lab (with water, guar gum and sodium borate) and carefully record physical and chemical properties and changes throughout the session, and experiment with weighing by difference.
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Learning Cycle Lesson Plan
students investigate, develop inferences, and identify general descriptions for each of the three states of matter - solid, liquid, and gas. students investigate water, by observing and stating inferences about, the properties of each...
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Cracked Marbles
Fourth graders determine how weathering, specifically ice, snow, and freezing water change the Earth's surface and rocks. After completing the investigations, they explain how heating and cooling expand and contract marbles until cracks...
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Learning Lesson: Measure the Pressure -- The "Wet" Barometer
Students use simple objects to create their own barometer. They have five days to build it and ten days to observe and collect data. They examine thunderstorm safety tips to end the lesson.
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