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Cleaning Water: How Filters Work
Students construct their own water filter to obtain clean water. In this filtration lesson, students produce tainted water in order to properly filter it with filtration devices made in class.
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What The Peanuts Say: Catabolism and Calories
Students investigate the energy released by a peanut and a piece of a walnut. In this catabolism and calories lesson plan, students burn a peanut and a piece of a walnut and measure the temperature of the water before burning and after...
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Sports Helmets and Impact Testing of Polymers
Students examine the importance of good quality safety gear. In this investigative lesson plan, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will...
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Simple Machines - Graphics, Experiments, Animation
Twelfth graders display simple machines through the use of graphics, experiments, and animation. They apply problem solving and design and skills.
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Active Transport in Malpighian Tubules
Students examine the energy dependence of active transport as well as te properties of specificity, competition, saturation, and inhibition. They anesthetize an insect and inject saline into the abdomen.
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Aquifer Model
Students, after researching and brainstorming about aquifers and locating aquifer maps of Texas, participate in the building of a model of an aquifer complete with a pumping station. They also answer a variety of questions at the...
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DISCOUNT LENSES ( GELATIN WAVE GUIDES)
High schoolers study attributes associated with concept of fiber optics is done using a labmade fiber optic from clear molded gelatin. A variety of shapes can be cut and pieced together to form a conduit to transmit the laser beam by...
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Experiments in Nanotechnology: Ferrofluids
Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...
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TESI 04 Lesson Plan
Learners write and balance five chemcial equations which have been observed throughout the process of completing the experiment. They use vacuum filtration to recover suspeneded particals from a colloidal suspension. Students correctly...
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Marine Mammal Diving Reflex
Tenth graders discuss marine mammal diving reflex, and measure pulse rate while holding their breath under three conditions: control, warm water, and ice water to determine if humans exhibit marine mammal diving reflex.
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Leaf Stomata as Bioindicators of Environmental Change
Students, in this experiment, collect leaves from two species of trees and the stomatal index on the upper and lower epidermis of each leaf be determined.
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Leaf Stomata as Bioindicators of Environmental Change
Students perform an experiment to determine the stomaltal index on the upper and lower epidermis of two species of leaves. Stomatal densities change in response to changing atmospheric levels of carbon dioxide and to annual rainfall.
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What Influences Reaction Rate?
Students study reaction rates, what determines how fast a reaction happens and how the chemical changes occur. In this reactions instructional activity students complete a lab where they use Alka-Seltzer to observe reaction rate and...
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Ziplock Chemistry
Students investigate various chemical reactions when creating mixtures in ziplock baggies. In this chemistry lesson, students will recognize various chemical reactions and cite evidence. Safety and assessment strategies are included in...
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Determining the Density of a Drop of Water-A Graphing Exercise
Students determine the density of 1 drop of water. For this determining density lesson plan, students determine the mass and volume of a drop of water in the lab using appropriate lab techniques and calculate the density of a drop of water.
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The Ladder of Life
Students explain the concepts of what DNA is and where it is located in a cell, identify the two types of molecules that make up the rungs of a DNA molecule and identify the two types of Purine and Pyrimidine molecules
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Using Magnetotactic Bacteria to Study Natural Selection
Students observe bacteria that are able to orient themselves using the Earth's magnetic field.They comprehend the difference between anaerobic and aerobic organisms. Students can tell the difference of the shape of magnetic force field...
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Biodiesel: An Alternative Fuel Source
Students explore the advances that are being made in alternative fuels.In this biodiesel lesson students evaluate different petroleum and alternative fuels.
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A POSITIVELY NEGATIVE EXPERIENCE
Students work in cooperative learning groups to discover how Gauss's law applies to conductors and dielectric materials. They use an electroscope to detect electrostatic charge and determine location of charges during static charge.
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How Do You Measure Up
Students investigate the concept of heart rate and how it is effected by environmental stresses like exercise. They conduct research readings and evaluate the data to form a hypothesis to initiate class discussion about the information.
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Biomolecules
Students perform an experiment in which they test foods for the presence of proteins, carbohydrates, and lipids. They identify the molecular structure of each type of biomolecule and then discuss how biomolecules relate to nutrition and...
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The Water Cycle: Revising the Drafts
Students explore states of matter by concentrating on the ways in which water moves between its solid, liquid, and gaseous states in a variety of Earth environments familiar to the students. Students represent these movements in dance.
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Epidemiology: Graphing and Analyzing Health Data
Students graph data on fetal and infant mortality rates collected by the Centers for Disease Control and Prevention. They identify trends in the data and propose potential causes for the trends.
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Introduction to the Scientific Method
Students designs and conduct a scientific experiment that identifies the problem, distinguishes manipulated, responding and controlled variables, collects, analyzes and communicates data, and makes valid inferences and conclusions.