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How Can We Accurately Make Different Solutions of Different Concentrations?
High schoolers work together to create different solutions made from different concentrations of liquids. They record and analyze their data. They answer discussion questions to complete the lesson.
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SEPARATION OF A STARCH-GLUCOSE MIXTURE USING GEL FILTRATION
Students make a starch-glucose solution and pour it through gel in order to separate the starch from the glucose. They examine how starch is a larger molecule than glucose and test for the presence of these substances using other...
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Estimating the Live Mass of Dinosaurs
Students calculate the volume of scale model dinosaurs using a water displacement method. They use formulas to calculate the live mass each of the species of dinosaur. Then they complete and discuss a series of questions.
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Estimating the Live Mass of Dinosaurs
Students estimate the live mass of dinosaurs. Using dinosaur and modern animal models, students use simple displacement methods to calculate the volume of the models. They calculate the masses of each model. Students compare the...
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Separating a Starch-Glucose Mixture Using Gel Filtration
Students experiment using the basic principles of gel filtration. They use the gel filtration technique for testing for the presence of specific substances. Students discover that starch is a larger molecule than glucose.
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Laboratory - Density of a Material
Students conduct a lab (with water, guar gum and sodium borate) and carefully record physical and chemical properties and changes throughout the session, and experiment with weighing by difference.
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The Electrophoresis of Human Hemoglobin
Learners analyze different types of hemoglobin. They use the technique of agarose gel electrophoresis to separate human hemoglobin molecules according to their electrical charge, size, and/or shape. Students relate the migration of...
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Science Safety is Elementary
Third graders are introduced to the importance of science safety. As a class, they role play through different safety procedures and decide which senses need to be protected for different scenerios. They discuss how to avoid hazardous...
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Are You a Trend Setter?
Students are introduced to the periodic table of elements. They devise and perform and experiment in which they determine the density of specific elements. They use their results to predict the density of other elements in the same group.
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A Visit To The Station
Learners discuss the role of the firefighter. In this firefighter instructional activity, students visit a fire station and see the equipment that firefighters use. They complete a math page on numbers and write a journal entry...
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Observing Root Response After Rotating Plant Ninety Degrees
Students conduct an experiment to observe the response of maize roots when rotated 90 degrees.
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Pendulums
First-time physicists experiment with pendulums in this physics instructional activity. They vary the weight of the bob, record how long each takes to complete ten period swings, and then calculate the time for one period. They repeat...
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Audio Engineers: Sound Weavers
Students explore audio engineering. In this career education and "sound" science lesson, students define related vocabulary and make connections between the music they listen to and the job an audio engineer does after listening to...
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Root Caps and the Effect on Gravity Sensing
Students conduct an experiment to determine how the absence of a root cap affects a plant's ability to sense gravity. They make comparisons between capped and decapped roots.
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Series or Parallel?
Physics classes that are studying electricity connect photovoltaic cells into both series and parallel circuits. Inquiry and critical thinking come into play as learners try to determine which circuit is more productive. They associate...
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WATER QUALITY FOR FRESHWATER ORGANISMS
Learners use determination of dissolved oxygen and water temperature changes to determine the environmental impact from thermal pollution.
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Cardiac Function
In this health worksheet, students look for the connections needed to attain the knowledge of cardiac function. The sheet includes the background information.
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Separate But Equal Video
Eighth graders watch the video "Separate But Equal." They choose an incident or event from the video that is interesting or meaningful to them and write an objective news article and an editorial.
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Life in a Forest Stream
Students assess macro-invertebrates from a stream. In this science lesson plan, students observe, classify and identify organisms found in a stream. A lab station is constructed at the stream sight and students study the different...
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Scientific Notation III: Linear vs Exponential
Young scholars after investigating examples of exponential growth students have an intuitive feel for the concept of exponential growth of a system.
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Student - Designed Density Experiment and Poster
In this student-designed experiment worksheet, students decide on an experimental problem to solve. Students use the scientific method to perform an experiment and record the data. Students calculate the density of liquid used in the...
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Urban Effects on Inshore Plankton
High schoolers investigate the effects of urban pollution on plankton. In this plankton and pollution lesson plan, students use samples of plankton collected in urban areas to observe the effects of pollution on plankton samples. They...
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Reflecting on Reflectivity
High schoolers plan and construct a "mini-lab" to measure the reflectivity of different earth surfaces. They measure reflectivity of materials, including ice, soil, rocks, etc., and then extrapolate from what they have learned to...
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Does Dye Die? Foreign Chemicals in Our Environment
Learners conduct an experiment to observe photolysis in the lab. In this chemistry instructional activity, students explain the mechanism behind photolysis. They test the impact of a non-toxic marker to plant metabolism.