Carnegie Mellon University
Bathtub Model
Using a colorful infographic handout and a guide sheet, hold a class discussion about how a bathtub can serve as a model for the greenhouse effect created by Earth's atmosphere. Participants will understand that as energy or matter is...
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Energy and Energy Conversion
Third graders investigate different energy conversions through hands-on activities. In this energy lesson, 3rd graders move through four stations and conduct experiments illustrating energy conversions. Wave energy, chemical energy,...
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Global Water Cycle & Heat Flow
Students experiment to discover how different variables affect the water cycle. They do hat flow experiments and construct a computer heat flow model.
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The Human Pendulum
Students examine how length, amplitude, and mass affect the period of a pendulum. They conduct an experiment that analyzes the variables affecting how a pendulum works, and identify the proportions that exist between the variables.
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Hare vs. the Tortoise
Seventh graders identify and create questions and hypotheses, dependent and independent variables and form a conclusion that can be answered and tested through scientific experimental investigation. In this relationship lesson, 7th...
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Using Graphs to Compare
Pupils use the FoilSim computer simulation program, and demonstrate an understanding of the lift variables by explaining their graphical representations. They demonstrate an understanding of forces and motion.
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What Do Plants Need to Grow?
Fourth graders control variables to determine the effect on plant growth. They collect information by observing and measuring and construct simple graphs, tables, maps and charts to organize, examine and evaluate information.
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MTV no PTV
Students study the gas laws in particular the three variables; pressure, temperature and volume. In this gas laws lesson plan students complete an activity and discuss their findings.
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Mountain Building
Fourth graders identify variables that influence rates of change. They, through group consensus and using the assigned materials, design and build what they believe to be the strongest mountain possible.
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Induction: Inquiry in Action
Students investigate the factors that affect the induced current in a loop of wire. They discuss Faraday's Law and Lenz's Law. Students identify the different variables that affect the magnetic flux and calculate the magnetic flux...
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Testing the Accuracy of a Rain Gauge
Young scholars identify and test variables that may affect the accuracy of a rain gauge.
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Dimming the Sun
Students collect, interpret and analyze weather variable data. They describe atmospheric variables that affect evaporation. Students create graphs and analyze the information collected.
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Your Blooming Pond
Young scholars model a pond system that becomes enriched with nutrients (fertilizer). They manipulate variables, make observations over time, and draw conclusions that may lead to further inquiry. They, in groups, simulate a pond...
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Batteries in Series: Voltage and Light Intensity
Young scholars participate in a hands-on activity to explore the relationship between the number of batteries in a series circuit and its voltage. Students identify the relationship between two variables and plot points on a graph.
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Volumw Measurement, English System
Eighth graders biew each volume container and discuss where they have seen them in their home, and how they have seen them used. They explore the different names of volume sizes and their equivalents towards one another. Students...
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Revised “Understanding Nutrition” Activity
Students evaluate their current food choices. In this health science lesson, students test different drinks to rate the amount of Vitamin C content. They discuss results in class.
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Investigating the Biosphere with Planetary Models
Students model the biosphere and manipulate variables affecting change and plan their experiments with the help of others. They describe their question, hypothesis, and methods of investigation.
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Biodegradable Plastics
Students prepare a type of biodegradable plastic. They design method(s) to compare its properties with some common plastics that are readily available in the market. They later advance to identifying variables in an experiment and fair...
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Measuring Temperature
Young scholars explore the different variables that affect surface temperature. They study how temperatures can vary widely within close proximity due to variables such as surface, directness of sunlight, and distance from buildings.
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Laws of the Jungle
Students build a video game on predator-prey relationship. In this biology lesson, students identify the variables that affect this relationship. They write a short description and play each other's game.
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Germinating Seeds on Gelatin
Students germinate seeds in unflavored gelatin to which liquid house plant food has been added. Students observe and record plant growth in this medium with a variety of variables in a number of experiments.
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Evolution of Observation
Students develop an awareness of the evolution of the scientific method. They facilitate the student's knowledge of looking at variables from different perspectives. Students develop their abilities to defend their ideas with facts or...
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Solar
Students study solar energy. In this renewable energy instructional activity students complete several lab activities using different controls and variables.
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An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Young scholars identify the control and the variables in the experiment. They describe the growth of plants with and without nitrogen fixing bacteria, then name the bacterium responsible for making nitrogen available to the plant.
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