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Algebra I: A Draining Swimming Pool
Students analyze and develop symbolic representations to describe the amount of water left in a pool being pumped out after a given amount of time, with various pumping rates and initial quantities of water in the pool.
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Introduction To Data Analysis
Seventh graders investigate the concept of looking at the data put in a variety of ways that could include graphs or data sets. They analyze data critically in order to formulate some sound conclusions based on real data. Students graph...
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Curve Sketching
In this calculus worksheet, students identify the point of increase and decrease on a graph. They analyze the curve of a graph using the derivative. There are 10 open questions about derivatives.
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Plants
First graders explore the specific needs, characteristics, and uses of plants. They discuss the needs of plants as they grow. Students observe plants in various settings as they grow and note the changes they see.
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A Dynamic Duo
Students engage in the research of history that surrounded the actions of the federal government during the years from 1907-1937. The focus of the lesson is upon the regulations imposed on business during the time and how it effected the...
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Beach Zonation
Students identify and separate the different zones of the beach by observation. They investigate beach zonation by gathering and comparing sand samples gathered from different areas of the beach.
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Atmospheric Shielding from Radiation II
In this radiation worksheet, students calculate the total shielding along several specific directions defined by the angles. This worksheet has 3 problems to solve.
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Researching Researchers
Seventh graders use accessible technology to explore active research projects currently taking place, choose a current research project to study and create a presentation using the information that they have gathered.
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DNA Fingerprinting
Students experiment with chromatography as a technique which is similar to electrophoresis that scientists use to identify DNA samples.
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Land Use and Nitrogen
Students consider the effects of development on water quality. They test nitrogen levels in waters before and after development, investigate wastewater treatment options and research best management practices to reduce nitrogen loads.
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Up in Smoke
Students use PowerPoint, Internet research, scanners and desktop publishing to create a multimedia presentation on the dangers of smoking.
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What's it Like Inside the Sun?
Learners perform experiment in which they model convection as it occurs in our Sun. They also explain that convection acts where the effect of gravity and heat are present (low density fluids can rise and cool, and high density fluids...
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Sinking in the Rain (or Drought)
Second graders, in groups, explore sinkholes and how they effect humans and the natural environment.
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The Landscape Through Geographer's Eyes
Students examine different types of landscapes through a geographer's eye. Using a city block or a suburb, they organize their thoughts and take notes to survey a site. They discuss what they have seen and write about how looking at...
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Energy for Free: Perpetual Motion Machines
Students observe the "drinking bird" perpetual motion machine and critically examine the designs of other so-called perpetual motion machines. They use this experience to create their own definition of conservation of energy.
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WALK, DON'T RUN
1. Bring two quarts of moist soil, a cake pan, a sprinkling can of water and a quart of grass clippings to class.
2. Share background material, and introduce the word "erosion."
3. Prepare a small model hill by mounding the soil in the...
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Feedback and Flowcharts
Sixth graders explain what a negative feedback system is and they distinguish it from a positive feedback system. They describe examples of how negative feedback is used in both nature and technology. , Students define homeostasis, and...
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Population Changes in U.S. Cities
Students investigate the changes in the population of major U.S. cities from 1920 to 2003. They write down as many U.S. cities as they can in one minute. Students discuss the top five cities on their lists and they disucss why there are...
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Gene Control in Prokaryotes
In this gene control activity, learners use the example of the lactose operon structure to describe what happens when this structure is absent or mutated. This activity has 21 fill in the blank statements.