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UV Radiation and the Developmental Stages of Red Flour Beetles
Students perform an experiment to compare the sensitivity of the various developmental stages of Red Flour Beetles to ultraviolet radiation. Larvae, pupae and adult beetles are exposed to a source of UV-B radiation. In groups, they...
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Molecular Evolution in Plants
Students examine chlorophylls. They explore the absorbing pigments in a variety of plants. Through activities, students determine spectrophotometrically. They compare plant proteins from the family Brassicace to assess the level of...
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Can You Catch Your Breath?
Young scholars apply the the scientific method to an investigation.They develop and perform a scientific procedure for determining lung capacity. In addition, they write a report to display information and share their procedures with...
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It's Okay to Exhale: Photosynthesis and Cellular Respiration
Pupils will observe the differences between photosynthesis and cellular respiration. Then they observe the links due to climate changes and relate how climate change affects their lives.
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Reading and Thinking About Evolution
Students explore evolution. They read magazine articles related to evolution. Students describe arguments for/against evolution that the author used. Students discuss their findings.
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Jeannette
Students develop hypothesis about what might happen when salt water is frozen. In groups, they freeze ice samples with different salt concentrations. They use the internet to research the situation of the Jeannette to discover their...
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Fossils and Migration Patterns in Early Hominids
Students plot the locations where major fossils of hominids have been found to extrapolate possible migratory patterns.
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A Worm World
Students maintain a compost bin and build a worm observatory. They design experiments relating to worms and record observations in a worm journal.
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Scientist Simulation
Students imagine themselves working as research scientists completing the end-steps of a molecular research project and interpreting the data. They compare the gene sequences of normal and abnormal mice and evaluate the protein product...
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Estimating the Live Mass of Dinosaurs
Students estimate the live mass of dinosaurs. Using dinosaur and modern animal models, students use simple displacement methods to calculate the volume of the models. They calculate the masses of each model. Students compare the...
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The Cricket and The Plant
Students examine determine the symbiotic relationship between plants and animals as the find ways to naturally reduce carbon dioxide emissions. They study the carbon cycle. They work with probe and graphing calculator to examine the...
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Does Dye Die...? : Foreign Chemicals In Our Environment
Students work as scientists to simulate testing on soil, plants, and water for foreign chemicals through this series of experiments.
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Permeability of Earth Materials
Students observe and classify the permeability of a variety of materials.
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Mystery of the Eleven Unknown Substances
Fourth graders identify eleven white substances that are commonly found in the household. They, in pairs, perform experiments on a variety of substances, and must identify them based on the reactions they observe.
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What's Happening Below The Surface?
Students determine the soil composition of soil layers in their area. They collect soil samples, calculate the percentage soil water content, analyze data, and evaluate each site for future tree growth.
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How Can We Accurately Make Different Solutions of Different Concentrations?
Students work together to create different solutions made from different concentrations of liquids. They record and analyze their data. They answer discussion questions to complete the lesson.
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SEPARATION OF A STARCH-GLUCOSE MIXTURE USING GEL FILTRATION
Students make a starch-glucose solution and pour it through gel in order to separate the starch from the glucose. They examine how starch is a larger molecule than glucose and test for the presence of these substances using other...
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Studying Living Organisms
Pupils discover and discuss the differences between prokaryotes and eukaryotes. Using a microscope, they examine various prepared slides of prokaryotic and eukaryotic organisms.
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The Electrophoresis of Human Hemoglobin
Students analyze different types of hemoglobin. They use the technique of agarose gel electrophoresis to separate human hemoglobin molecules according to their electrical charge, size, and/or shape. Students relate the migration of...
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Separating a Starch-Glucose Mixture Using Gel Filtration
Students experiment using the basic principles of gel filtration. They use the gel filtration technique for testing for the presence of specific substances. Students discover that starch is a larger molecule than glucose.
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Watershed Analysis
Students conduct a regional watershed analysis of an area of their choosing. Using on-line data and their personal knowledge of the area, they determine the annual hydrologic budget and teach the class about "their" watershed.
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How do forces combine?
In this calculus-based worksheet, students experiment how to add forces in order to get a net force of zero with no acceleration while following the directions of a variety of different scenarios.
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Using Microscopes In The Classroom
Get up close and personal with parts of a microscope lesson plans and activities for elementary students!
Lunch Lab
Exercise
This is the perfect resource for helping youngsters understand the importance of physical activity in their daily lives. The lesson and its worksheets focus on brainstorming a variety of fitness activities, such as games you can...