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Electricity
The presentation begins with a circuit building activity and two data tables for young scientists to copy and complete. Full of clever animations, it will definitely spark student interest! However, the information is incoherent. You may...
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Control Mechanisms
Learners explain how a feedback control system works. They model a feedback control mechanism for controlling water level by observing the flow rate of water in a cylinder. In addition, they graph their data. Script for lesson is included.
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Columns
Students view a video clip on skyscrapers. They discover how columns support different size loads. They participate in activities and discuss their results.
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Collecting and Classifying Pollen
Learners collect and analyze pollen from different species of plants. In small groups, they classify pollen according to shape, size and physical characteristics. They draw the basic anatomy of flowering plants and create a dichotomous...
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Basic Oscilloscope Operation
In this electrical instructional activity, students answer a series of 25 questions about the use and understanding of an oscilloscope used by electrical technicians. This instructional activity is printable and the answers are revealed...
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Alcoholic Fermentation Lab
In this alcohol fermentation learning exercise, students design an apparatus to study the alcoholic fermentation of yeast. Once complete, students answer 8 short answer questions.
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Paper Towel Structure
Students investigate technology and its purpose in the workplace. In this geometry lesson, students design and build a paper towel structure to investigate motion and forces. They are given a restricted weight and asked to build their...
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DOES A FLUCTUATION IN TEMPERATURE IFFECT THE GROWTH AND SURVIVAL RATE OF AQUATIC PLANTS?
High schoolers 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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Physical vs. Chemical Change Lab
Students recognize both a physical and chemical change in different substances. They determine which particles actually changed into different substances, and explain if it represented a physical or a chemical change.
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pH Change and Brine Shrimp eggs
Students 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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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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THe Decomposition of Water
High schoolers 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...
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Bleach Chemical Reactions
Students learn what happens when bleach comes in contact with various cloth fibers, chemical colors, nature and synthetics.
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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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Monumental Disappearance
Fourth graders compare the emissions listed on the EPA isopleths over the past five-year period for ten key states. They use this information to rank each region according to the degree of acid rain problem in those parts of the United...
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Dissolved Oxygen in an Aquatic Ecosystem
Students explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
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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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Smart Consumers
You can help students cut through the hype and find out for themselves which brands are best by becoming consumer scientists.
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Effect of Concentration of the Reactants
Students experiment to determine the effect of the frequency of collisions between atoms or ions of the reactants. They investigate the rate at which aluminum replaces hydrogen from a solution of hydrochloric acid.
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DNA Isolation
Students use scientific methods to investigate the concept of DNA. They observe the DNA of human cheek cells. This is done with the use of a lab experience. Students record their observations and reflect upon on how each organism is...
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What If the Reef Dies?
Learners complete four activities to investigate how reef ecology can change. They perform experiments to show how sewage discharge can affect a marine ecosystem, look at substances that don't dissolve in water, examine wave action...
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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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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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