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Calculating Theoretical & Experimental Probability
Students collect data by conducting a survey of fellow classmates. They investigate the relationship between estimates obtained from samples and theoretical probabilities. Answer keys included.
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Paleoclimates and Pollen
Students analyze soil for types of pollen to determine the probably climate conditions. In this earth science lesson, students make conclusions on what a climate is like based on soils samples. Students use a model soil...
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Identifying Metamorphic Rocks
In this earth science worksheet, 7th graders classify rock samples according to chart provided and physical properties of the rocks. They answer 2 analysis questions and formulate a conclusion.
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Column Chromatography
Students research the mechanics of liquid chromatography. In this technology instructional activity, students calculate the concentration of unknown samples. They write a report about their research and lab results.
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Wetland/Estuary Structure and Functions
Students plant wetland plants in aquatic soil and regular soil. They test the effect fertilizers have on each and record the chemicals found in run-off water collected from each soil sample.
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Measuring Rainfall and Relationships Between pH, Alkalinity and Suspended Solids in the Pago River
Eleventh graders test the pH and alkalinity of Pago River. In this ecology lesson, 11th graders collect data and use spreadsheet to graph results. They analyze and share their findings with the class.
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Activity 3: Using Photo Images to Explore Life on the Ocean Floor
Students work in groups with copies of the three photo images provided with the lesson. They make observations about mussels and clams. Students discuss reasons scientists use a representative sample of a population rather than the...
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RIP M&M's
Students solve theoretical probability problems. For this algebra lesson, students apply the concept of probabilities to solving real life scenarios. They collect data and graph it using experimental probability.
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Poetic Math Greeting Cards
Fourth graders work in groups; collect data in a survey; depict in tables, charts, or graphs the results of the survey; and make predictions. They use creative writing skills and computer skills to generate a greeting card of their own.
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Microbiology Lesson
Students collect water samples and use a microscope to find bacteria in the samples. They categorize the different bacteria they find, determine the number of colonies there are, and predict how the bacteria levels might affect animals...
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Paint Property Experiments
Students identify various kinds of paints by using the scientific method. In this solvents lesson students collect data and identify paint samples while working in teams.
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Making Clean Water
Students examine water samples assess the quality of each sample by examining the color/clarity, smell, pH, etc. of each Then they filter the water samples once and assess water quality a second time. finally they filter the samples a...
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Minerals
Students apply rules to compare and rank the hardness and softness of minerals. They perform a scratch test on four unknown mineral samples, read a bar graph that illustrates the comparative hardness and softness of four named minerals,...
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Fossil Fuels (III), The Geology of Coal: Interpreting Geologic History
Students hypothesize about why various samples of coal have different characteristics. Pupils use information that they found during Internet searches to ascertain the validity of their hypotheses and verify the "story" of coal. ...
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What's the Matter with My Snow?
Students collect snow samples around their school. They explore the concepts of density and phase change as well as the math skills of measurement and statistics. Students explore the water cycle through an interactive, down loadable...
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Food Classification
Students are introduced to classification and some of the difficulties surrounding classification and how classification systems need to be able to adapt and how they may need to be changed when new information is discovered. They...
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Prairie Restoration and Prairie Ecology
Students collect data as they identify and classify native prairie plants and insects. They create their own population study using a variety of sampling techniques to determine the population density of various species. Students...
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Biodiversity of Ponds
Students study the biodiversity in pond water. In this biodiversity lesson plan, students observe 3 samples of pond water using a pond water identification sheet. They record their findings and identify the organisms they find, the...
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Who Ate The Cheese?!
For this crime scene investigation worksheet, students simulate DNA sequencing and DNA restriction analysis using paper strips of DNA. Students compare the crime scene DNA to the suspects and determine who is guilty.
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Roads & Plant Diversity
Students, in groups, collect and analyze samples of native grassland plants near and around a road to show how roads have an impact on surrounding habitat.
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Mystery Powder Lab
For this mystery powder worksheet, students determine the identify of 6 unknown samples by testing them with cabbage juice for pH, vinegar, iodine for starch and heat. Students determine the identity of the mystery powders using their...
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Understanding pH, Alkalinity, and Hardness
Students comprehend the interactions of pH, alkalinity, hardness, and carbon dioxide in aquaculture water. They read the SRAC fact sheet number 464 "Interactions of pH, Carbon Dioxide, Alkalintiy and Hardness in Fish Ponds." Students...
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Investigating Planetary Soils
Students study soil characteristics and identify properties of soils from different parts of the solar system. In this soil lesson students divide into groups, read soil descriptions, test and record soil samples.
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Laboratory: Hydrated Salts
In this hydrated salt worksheet, students answer questions after completing a lab experiment using a hydrated salt. The calculate the empirical formula for the hydrate, they name the hydrate and they determine the mass of the water in...