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Coat Caper
Students examine pollen and fibers taken from a garment. They analyze pollen from new hybrids and compare it to the samples from the garment then make individual conclusions concerning the specific historical authenticity of the garment.
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Crime Scene Investigation: Hair Analysis Lab
Students participate in a hair analysis lab. Using a digital microscope, students compare and contrast hair samples. They determine if the hair samples are human or animal. After completing lab results sheets, students share their...
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How Effective is Perspiration at Cooling?
Students collect data on the cooling of water in two different test tubes, one that is wrapped in wet newspaper and one in dry newspaper. They then relate this cooling effect to the body's perspiration.
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That's the Way the Ball Bounces
Students investigate and compare the bouncing ability of the materials from which four different balls are made. They determine which material performs the best for use as a basketball. After collecting data in a small group they...
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A Cut Above the Rest Administration Procedures
Students analyze how the Law of Conservation of Energy applies to the design and use of scissors. Working in groups, they determine the output work for a standard pair of scissors.
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Are Enzymes Specific for Their Substrates?
Students discover enzyme to substrate specificity. The experiment uses samples of glucose and lactose in combination with the enzyme lactase. Students observe the reaction between the lactose and the lactase; the lack of a reaction...
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Suburban Ecosystems
Students conduct simple sampling of plant and insect biodiversity at ground level in two contrasting environments of their own choosing. They recognize and record different species then compare and contrast species numbers in the two...
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Which Colored Filter Will Decode a Secret Message?
Students investigate how to create secrete messages through filters. They view pictures with red and green filters and discuss what they observe. They select the color filter that works best to read secret messages. They view pictures...
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Web-search And PowerPoint Presentations-The Cell
Sixth graders create a PowerPoint presentation using information that they have compiled from their web search and rubric web sites, text and other applicable references. They work in pairs to complete these searches and projects.
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Heating Crystals
Learners examine the effects of heating on various crystals. They formulate and revise scientific explanations and models using logic and evidence. Students work individually during this experiment.
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Are Fruits And Vegetables Really Made of Cells?
Students design and carry out an exercise to determine if a given fruit or vegetable is composed of cells. They dissect out sections of the fruit or vegetable, prepare stained slides, and make observations under a compound microscope.
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Tadpoles
Young scholars examine tadpoles at various stages of development. They make careful scientific observations and compare the changes that occur at five different phases of a frog's life.
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The Nutritional Content of Food
High schoolers are given three unknown samples and must perform two chemical tests in order to determine if the samples contains protein and/or starch. Students work with corrosive or toxic reagents.
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The Captain And Lake Wilmar
Tenth graders examine the ecosystem of Lake Wilmar through three coordinated performance tasks. They first investigate the effects of pH on freshwater animals by comparing the zooplankton counts from three different areas. They then...
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Let the Sunshine in
Students collect and analyze data to study wavelengths of visible light. They cover Styrofoam cups with three different colors of sun filtering products and shine a lamp directly on the cups. They determine the most effective filtering...
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Paper Chromatography
Small groups of students perform paper chromatography to separate food dyes into their component colors. Students perform the experiment and collect, organize, and represent their data to form an explanation of their outcomes. Students...
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So -- What's Happening Here, On This Old Christmas Tree Farm?
Pupils review their prior knowledge on biomes and ecosystems. At a local Christmas tree farm, they work together in groups to identify the changes occuring in the area. They participate in solving a mystery in which they determine the...
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What Can We Lose? What Do We Lose as we Gain Force With A Lever?
Third graders view a demonstration of a teeter totter as a basis for assessing pre-knowledge of a lever. They create a KwL chart. Students work in small groups to conduct a variety of experiments. The first requires students to tie books...
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Disorders of the Brain
Students, in groups, conduct research about a specific disorder of the brain, create a character study of a person with that brain disorder, and then present the information to the rest of the class.
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Belfy Word Search
In this language arts worksheet, students study 20 words in a word bank, then locate them in a word search puzzle. The words appear to be related to chemistry but the meaning of the title is not known.
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Model Mania
Eighth graders study the conservation of matter. For this chemical reaction lesson students examine what happens during a chemical reaction and complete a lab activity.
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Let There Be Light
Fifth graders explore electricity. For this electricity lesson, 5th graders experiment with open and closed circuits. Students determine how to properly connect a battery and bulb to illuminate the bulb.
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What is in a Name?
Students examine taxonomy and the use of dichotomous keys through two activities. They use a dichotomous key and create one of their own as well as create new scientific Family names for penguins using same word roots used by taxonomists.
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Body Building
Students determine whether ancient Egyptian drawing was proportional and in perspective by comparing ancient Egyptian drawings, a mummy's x-ray, and contemporary photographs of people.