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Measuring Aquatic pH
Young scholars apply the scientific method and safety rules to aquatic pH. They test unknown solutions for pH levels.
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Spiders Crossword Puzzle
In this spiders crossword puzzle worksheet, students use the 10 clues and to help them correctly complete the spider-themed word puzzle.
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Water Quality Monitoring
Learners study the water quality of a stream in their area, by measuring the temperature, pH, alkalinity and conductivity. They integrate biology with earth science when using the microscope to study the living organisms in the water.
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Thermometric Titration of an Unknown Acid
Young scholars determine the number of ionizable hydrogen's in an unknown acid and determine the equivalent weight of an unknown acid. They determine the enthalpy change for the ionization of an unknown acid.
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Galapagos Rift Expedition Come On Down!
Students research the development and implementation of a research vessel/vehicle used for deep ocean exploration. In this oceanography lesson, students calculate the density of objects by determining the mass and volume.
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Water Quality And pH
Learners determine the pH level of water and its effect on aquatic plants and brine shrimp eggs. This is a three part instructional activity that leads the student through the development of an understanding of water pH. They form a...
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pH Testing
Students explore the use of variables in the scientific method. They identify the dependent and independent variables through pH testing. Students construct graphs of their data and analyze their findings.
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Charge It!
Students complete an experiment using balloons to help them examine the concept of static electricity. They discover how engineers use this information to create better air filters for homes. They describe how to charge an insulator as...
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In Search of Cosmic Rays
Middle schoolers compare rates to altitude. They conduct a class discussion about the results.
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The Effects of Environment on Plant Growth: Selecting Seeds for Survival on a New Planet
Fifth graders conduct experiments to compare seed germination and plant growth rates. They construct a hydroponic plant unit and a lighthouse. They care for the plants for a month and collect data for graphs. They write a report.
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Can Chromatography Separate A Pigment?
Learners separate a mixture of pigments with ion exchange chromatography and predict whether the ion-exchange matrix is positively or negatively charged based on the type of pigment bonded to the matrix.
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A Hair Raising Experience
Students rotate through various lab stations in groups as they experiment with the concepts of conduction, induction and friction. They use a generator, aluminum pie pans, paper, plastic, styrofoam and other materials to complete their...
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Acid Rain
Students investigate the quality of water using a variety of methods. They use a pH probe to measure the pH and study the effect of dissolved CO2 in the water. Students also observe the effect of the pH upon the dissolving of H2SO4 in...
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Kidney and Related Concepts
In this kidneys worksheet, students review the function of the kidneys including what happens when the kidneys stop working. Students also compare kidney function in fish, frogs, and kangaroo rats. This worksheet has 86 fill in the blank...
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Explorit's Chemistry Quiz
In this chemistry worksheet, students complete a six question multiple choice quiz about chemistry. This is an on-line interactive worksheet.
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Succession and Microclimate
Learners compare the population of insects in different microclimates. In this biology lesson, students collect data using probes to tabulate temperature and soil data. They predict how certain parameters change as an area goes...
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Good Guys or Bad Guys
Sixth graders complete a variety of activities to explore both positive and negative effects of microorganisms. They, in groups, engage in a series of experiments which illustrate the effects of certain molds.
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Take a Dip: Sticky Water
Students complete lab activities to investigate the "sticky" properties of water, such as surface tension and capillary action, due to the polarity of the molecules.
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Bioterror
Students explore and discuss October, 2001 anthrax attacks and their aftermath.
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Chemical Volcano
Students observe a demonstration performed by the teacher. They examine of a series of acid/base reactions and discover how various indicators work.
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Chemical Formulas Unit-Day 4
The purpose of this lesson involves reviewing nomenclature and molecular
formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy
and matter is...
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A Study in Paper Permanence
Twelfth graders compare the permanence of papers by testing pH, determining presence of alkaline reserve as well as fold endurance, and testing lignin content.
They indicate the strength by using a starch test as a comparison.
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Acid Rain Experiments
Students define the term acid rain, and the causes of acid rain. They locate regions where acid rain is most affected, and what can students deduce from maps of geology and soils in New York State. Students answer the questions why are...
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Water: An Endangered Resource
Young scholars explore the concept of watersheds. They investigate how the reclamation of abandoned coal mines in Pennsylvania improves water quality. In addition, they diagram the components and assess the value of a passive treatment...