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Testing Your Water
Students perform several water quality tests on groundwater from their area. They use test strips to determine the pH, hardness, alkalinity, nitrates, iron and chloride levels.
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The Accident That Did Not Happen
Pupils examine science lab equipment and review the basic rules of laboratory skills.
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Dirty Worms
Students examine the functions of earthworms and their effect on soil. They conduct an earthworm dissection lab, and complete a checklist.
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We All Start Somewhere
Students demonstrate an understanding that the same data can lead to different interpretations and conclusions and that different interpretations and conclusions are not necessarily wrong, but can be useful in developing other scientific...
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Density of a Gas
Eighth graders investigate the mass, volume, and density of a gas by producing it in a chemical reaction. The entire Density of a Gas Lab and L section of the K W L chart be formatively assessed.
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What Does That DNA Molecule Really Look Like???
Students extract DNA from animal liver cells. They separate, collect and describe the appearance from the extracted DNA while role playing as an intern in a city's forensics.
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Earthquakes and Seismic Waves
Students investigate the Richter scale and seismology in a teacher-led lab in which they are introduced to the concept of seismic waves and epicenter location. They further investigate the inner workings of a seismograph and practice...
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How Clean are the Laboratory Tables?
Students participate in an experiment in which they test the cleanliness of the lab tables. They practice using different materials and analyze their results. They answer comprehension questions to end the lesson.
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Basic Electric Circuits
Students calculate the resistance across a bank of resistors in a series, parallel and combined circuit. Using new vocabulary words, they define and describe them in a scientific manner. After stating Ohm's Law, they solve electrical...
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Use of Digital Cameras
Students make observations of frogs by taking pictures of a frog and writing about its structual and behavioral characteristics. They insert a photo in Word and add text boxes and arrows for labeling.
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Transpiration
Students explore what affects the rate of transpiration in plants. They measure the rate of transpiration and analyze variables and additional factors that might slow or speed up the rate of transpiration.
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Not a Drop to Drink
Students design an experiment to determine which liquid is water. For this chemistry lesson, students perform the experiment as outlined in their design. They record observation and formulate conclusion.
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Ice Cream
Open this instructional activity by giving a brief history of ice cream. Using liquid nitrogen to lower the temperature, preteens make their own confection. The accompanying activity sheet queries learners about freezing point, the...
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The Three Phases of Matter
To study the phases of matter, students complete an experiment including water and corn starch and answer six short answer questions about the states of matter the observed.
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Waste Management
Four different activities focus on the amount of trash generated and how humans can better manage waste. Learners analyze two days' worth of household garbage, test materials for biodegradability, and rate recyclability of various...
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Water Chestnut Graphing Activity
Students are taught how to format and enter data into an Excel spreadsheet. They make a graph and interpret graphed data. Students discuss possible impacts of water chestnut invasion. They graph data on water chestnut. Students report...
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Somewhere Over the Milky Rainbow
Ninth graders demonstrate safe lab practices. They make critical decisions as to the effects of the fat content of the milk. Students complete called "Somewhere Over the Milky Rainbow." They are given a safety symbol worksheet. ...
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Seltzer Breath
High schoolers investigate "indicator" (Bromothymol Blue or BTB) to test for the presence of certain chemicals in liquids and gases. They compare distilled water and seltzer water for presence of carbon dioxide.
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Invertebrate Classification
Young scholars discuss the recent disovery of the "furry lobster" to peak interest in the animal kingdom. They classify various speciments using invertebrate dichotomous keys, identifying major animal phyla and classes. Thy the complete...
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Demonstrate Your Chemistry
Students research and evaluate chemical reaction demonstrations that are found on the web. they work in small groups to choose a demonstration that fits a particular category of reaction and then perform the demonstration for the class.
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THe Decomposition of Water
Students collaborate in an experiment where they decompose water into simpler substances through the process of electrolysis. They collect, measure, and observe data and then place the data into a table. Accomodations for students with...
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Can Bacteria Arise from Non-living Things?
Fourth graders, in groups, determine whether bacteria arises from non-living things,
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Exploring With Photograms
Learners observe the interaction between energy absorbed, reflected or transmitted through an object in a photochemical process with a classroom demonstration.
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Relationships and Biodiversity
Students examine diversity on the planet and the differences within a species. In this investigative lesson students complete a lab that allows students to better understand the relatedness between plants.