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Can You Get A Charge Out Of Matter?
Students observe and demonstrate how objects can be charged positively and negatively and how static electricity works. They observe a teacher-led demonstration, and in small groups rotate through various static electricity activities,...
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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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What is Wrong with My Pond?
Middle schoolers examine various pond water samples to identify water quality. In this water quality lesson, students will identify levels of nitrates, ammonia, pH, hardness,and alkalinity in pond water. They will explain importance of...
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Rockets: Kinematics or Energy?
High schoolers construct model rockets, measure and record the height of the launch. In this creative lesson students use different methods to calculate velocity and height data from their launched rockets.
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Extreme Acceleration
Learners explore the concept of acceleration. They determine the acceleration rate of a roller-blader and graph the results.
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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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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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That's the Way the Ball Bounces
Learners 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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Coat Caper
Pupils 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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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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Heating Crystals
Students 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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Water Regulation
Young scholars use their basic knowledge of physiology to analyze graphical data of paramecia under diverse conditions. From the data analysis, Students develop explanations of the animal's response to the concentration of different...
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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
High schoolers 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
Students 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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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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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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Geometry of Radio Meteor Reflections
Ninth graders investigate and describe ways that human understanding of Earth and space has depended on technological development. They describe and interpret the science of optical and radio telescopes, space probes and remote sensing...
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Does Weight Affect Drag?
Students investigate how weight affects a parachute's rate of fall. In this investigative activity students test parachutes, average results and conclude what makes a faster descent.
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Getting to Know Soil
Students make predictions and analyze soil. In this soil properties instructional activity, students make predictions about soil properties for various soil samples. Students examine the types of soils and record their observations....
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