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Salt and Water Divorce by a Physical Change
High schoolers discuss the definitions of physical and chemical properties and changes. They vaporize a solution of salt and water, observing the sodium chloride that is left behind.
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What Does That DNA Molecule Really Look Like???
Students extract DNA from animal liver cells. They separate, collect and describe the appearance from the extracted DNA while role playing as an intern in a city's forensics.
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THe Decomposition of Water
Students collaborate in an experiment where they decompose water into simpler substances through the process of electrolysis. They collect, measure, and observe data and then place the data into a table. Accomodations for students with...
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Can Bacteria Arise from Non-living Things?
Fourth graders, in groups, determine whether bacteria arises from non-living things,
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Discovering Albedo
Students read a thermometer accurately, collect and record data, and generate a graph based on data. They learn what independent and dependent variables are. They analyze data and make conclusions concerning how soil coverings affect...
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Hyperbolas
Students locate and identify the center, foci, vertices, and asymptotes fo hyperbolas. They graph equations involving asymptotes and hyperbolas. Finally, students determine the equation of a hyperbola with a horizontal transverse axis.
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Bungee Barbie
Learners discover the relationship between force and the amount of time over which the force is applied. They discover the meaning of impulse and it equals the change of momentum. Students connect things to a computer to test their results.
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Exploring With Photograms
Students observe the interaction between energy absorbed, reflected or transmitted through an object in a photochemical process with a classroom demonstration.
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Microwave Introduction
Sixth graders learn the principles of microwave cooking and how to use and care for it properly while preparing foods.
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Use of Digital Cameras
Students make observations of frogs by taking pictures of a frog and writing about its structual and behavioral characteristics. They insert a photo in Word and add text boxes and arrows for labeling.
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The Balance of Good Health and the Food Pyramid
Students explore the importance of good health and the food pyramid. They examine food labels and the importance of healthy food choices. Students investigate food additives.
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Water Quality and Temperature
Students evaluate the effects of temperature changes on the metabolic rate of a clam. Conclusion questions are addressed which help students to process and articulate their experiences.
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Effects of Nitrate and Phosphate Changes on the Growth of Algae
Learners determine the effects of an increase of the amount of nitrate and phosphate levels on the growth of algae. the development of a hypothesis is encouraged and students proceed to a conclusion based on their results.
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Micro-Magic With Sticky Ions
Students view a video about the formation of precipitates. They complete a worksheet that asks them to identify what makes a compound form and what holds it together.
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Into the Pond
Seventh graders use a pond to explore macroinvertebrates and other organisms. They use a dichotomous key to classify the organisms and maintain a journal recording their findings.
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Radiation In Our World
Learners identify the different sources of radiation around us. In this physics lesson, students calculate their estimated radiation exposure per year. They research a current issue about radiation.
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Synthesizing Pigment and Dyeing Cloth
Students create a synthetic dye and oxidize the dye and record the effects.
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Ingredient Function and Purpose
Students investigate the purpose of each ingredient in a quick bread.
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Middle School Home Energy Audit
Seventh graders research the origins of local electrical power and compare costs and methods of generation with other areas of the country or world.
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Does a change in pH affect the growth and survival rate of aquatic plants?
Students determine if changes in pH affect the growth and survival rates of aquatic plants. They evaluate the optimal pH levels for the growth of aquatic plants.
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pH Change and Brine Shrimp eggs
High schoolers determine if brine shrimp eggs hatch and develop more readily in an environment which has an acid or a basic pH. They evaluate the pH level which is optimal for the hatching and development of brine
shrimp.
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DOES A FLUCTUATION IN TEMPERATURE IFFECT THE GROWTH AND SURVIVAL RATE OF AQUATIC PLANTS?
Students determine if different temperatures effect the growth and survival rates of aquatic plants and evaluate the optimal temperature for the growth of aquatic plants.
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Temperature and Brine Shrimp Eggs
Students determine the optimal temperature at which brine shrimp eggs hatch and develop. They evaluate the changes, if any, which occur in a brine shrimp culture at various temperatures.
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Organic Materials in an Aquatic Ecosystem
Students evaluate the relationship between oxygen levels and the amount of organic matter in an aquatic ecosystem. They explain the relationship between oxygen levels, bacteria and the breakdown of organic matter using an indicator...
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