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Winogradsky in a Bottle: Beginning a Winogradsky Column
Students use their measurement skills by marking a bottle for construction purposes. They record qualitative and quantitative data and analyze their results. Students demonstrate evaluation of a small scale systems as a model for the...
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Packing Materials
Young scholars observe the effects of water on four different packing materials to determine which ones are more soluble. They then decide which material would be a good packing material to use for the environment and which may be a bad...
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Designing Local Studies
Students think about and identify significant aspects of local weather patterns by reflecting on their own observations. They design local weather studies by deciding which information to collect and how to collect and record it...
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Field Trip!: A Visit to the Grocery Store
Students discover that foods are organized into groups of similar items by developing vocabulary to enhance verbal discussion i.e., real experiences provide the foundation for thoughtful discussion and critical thinking. They then...
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Aristotelian and Newtonian Motion
High schoolers use a quotation from Einstein as a reference to categorize their descriptions as either Newtonian or Aristotelian. They discuss the idealized nature of the Newtonian approach. Students describe the events they observe...
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Plant and Animal Cells
Students investigate the difference between plant and animal cells. They observe a variety o plant and animals cells by looking at a piece of cork, an onion, elodea, prepared slides of paramecium, human bone, frog blood, and human...
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Vitamin C Testing
Students determine which of three beverage samples contains the most vitamin C. They then apply their knowledge to an additional situation. Students use beverages that have a large, definite difference of vitamin C content to...
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Winogradsky in a Bottle: Beginning a Winogradsky Column
Students study changes in the environment using a microscale experiment. In this environmental science lesson, students construct a modified "Winogradsky Column" to observe bacteria activities. They record observations and formulate a...
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Reading Maps of the East Pacific Rise
Young scholars make qualitative and quantitative observations and use various maps to investigate the features of the East Pacific Rise The study actual bathymetric maps of the EPR region. They identify key features of the ridge and...
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Activity 4: Alvin Dive, A Mysterious Encounter and Change Over Time
Students receive copies of the Time Series Observations to use for note-taking. They work in small groups to discuss what they see when the outside lights of Alvin are turned on, and off, where the bacteria may have come from. They view...
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Weather Instrument Use and Application
Eighth graders measure temperature, wind speed and pressure using Skymaster SM-28. In this earth science lesson, 8th graders collect data and record observations taken from outdoors. They explain why numerical values are different in...
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Cosmic Collisions and Risk Assessment
In groups, students create their own scientific impact experiments using ordinary materials, and observe and measure results with a variety of impacting bodies and velocities.
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Atlatl Lessons Grades 4-12
Pupils examine motion and how to describe it qualitatively. In this investigative lesson students see how aboriginal people were environmentally responsible.
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Color Dots 3
Students make simple observations, test mixtures, and make generalized inferences from their observations. They observe bleeding of colored inks with water.
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Pulse
Students determine a baseline pulse rate then chart the changes in rate with exercise. They describe the changes and develop a rationale for their observations. The task assesses students' abilities to make simple observations, determine...
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How Psychologists Do Research
Students discover how psychologists complete their research on different topics. In groups, they describe the elements of an experiment and the importance of sampling during research. They identify ethical issues in their research and...
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Water and Ice
Students explore what happens to water as it goes from solid to liquid and back. In this state of matter lesson, students observe, measure, and describe water as it changes state.
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Physical and Chemical Changes
Eighth graders distinguish between physical and chemical change. In this chemistry lesson, 8th graders observe a series of demonstrations showing physical and chemical changes. They identify the signs that a chemical reaction took place.
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Coulomb's Law
Ninth graders observe the relationship between electrical charge and force. In this electrical charge lesson students experiment and find the quantitative relationship between force and the center to center distance between objects.
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Using A Winogradsky Column to Analyze Microbial Communities
Students use easily obtained materials to study ecological succession in a microbiological community. They collect water samples from outdoor sources in plastic bottles to observe and record changes.
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Heat Loss and Gain in Physical Changes and Chemical Reactions
Students compare and contrast exothermic and endothermic reactions. For this chemistry lesson, students perform experiments to determine whether heat was released or absorbed in a reaction. They share their observations in class.
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Craters!
Eighth graders examine the formation of craters. In this craters lesson, 8th graders discover the various energies involved in the formation of a crater, where you can find a crater in the Solar System, and observations of craters on the...
Space Awareness
Oceans on the Rise
Temperature rises and land disappears! Through a lab exploration, learners understand the effect of temperature increase on water similar to the effect of global warming on our oceans. As they heat the water in a flask, they measure the...