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Friction and Machines
Fifth graders experimentally determine the relationship of friction to the functioning of machines. They demonstrate that rollers can decrease frictional force and increase speed and research to discover other ways that friction can be...
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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.
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Lesson 3: Understanding Population Growth
Students explain population growth in Maryland and its relationship with age structure, household growth and consumption of land.
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Sediment Tubes
Learners observe how different density soils and rocks behave in wind and in water. They make predictions and careful observations as they explore sediment transport and sediment rates in streams and rivers.
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Using an Amortization Table
Students search the Internet to find a site that contains an amortization table and make a hypothesis about the results of changing time and rate. They examine the affects of time and rate on a mortgage and discuss the difference in the...
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Different Types of Orange Juice Contain the Same Amounts of Vitamin C?
Learners measure and compare the amount of vitamin C in orange juice samples. They discover the effects of different factors on the concentration of vitamin C. They participate in an experiment to test the orange juice.
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Optical Illusion Machine
Students explore optical illusions. Using Legos, they construct and motorize a machine that has an axle that's geared up and geared down, complete a worksheet, and answer discussion questions.
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Sci-Fi/Biotech Video Worksheets
Students watch two commercial films which portray an historical perspective and possible uses of biotechnology in order to better understand the vocabulary and techniques involved in genetic engineering.
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Investigating How Pollutants Travel Through Groundwater
Students determine how pollutants can travel though sediment and explore methods of pollutant removal. They conduct an experiment on porosity and permeability of soils and simulate an EPA "pump and treat" method for removing subsurface...
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How Does Climate Affect Our Shelter Needs?
Fourth graders investigate how weather influences shelter choices. They explore the concept of insulation and discuss some traditional Native American shelters. They discuss the shelters used by the Okanogan people during the various...
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Cold Fusion?
Students apply their knowledge of relativity and nuclear radiation to the concept of cold fusion. They also read the article from the website listed in the related and resource websites and discuss the article with the class.
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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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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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Erosion: Changing the Face of Earth
Fourth graders explore how the landscape of the planet can be changed by different elements of wind, water, ice and chemicals through hands-on activities. They examine pictures of areas around town and discuss anything they think is out...
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Take A Meal Worm To Lunch
Seventh graders, using a magnifying glass, observe mealworms in a cup.
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Let There Be Light
Fifth graders explore electricity. In 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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The Mechanisms of Decay and Decomposition
Eighth graders study how all living things die. They are introduced tot he life cycle and the concept of an ecosystem. Students have a introductory exposure to trophic levels (producer-consumer-decomposer) in the environment.
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Ocean Grazers Conclusion
Students research an ocean species. In this science instructional activity, students create a research presentation as a conclusion to the ocean grazers unit. Students present their projects to the class and complete a self-reflection...
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Solids, Liquids, and Gases
Students explore the three main forms of matter: solid, liquid, and gas. They examine concrete examples of each, using their five senses and "experimenting" to find differences in them. They find pictures of each, cut them out and past...
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Extreme Acceleration
Students explore the concept of acceleration. They determine the acceleration rate of a roller-blader and graph the results.
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Investigating the Probability
Learners investigate probability using coins and dice. They collect data, graph, organize and interpret data. They predict, describe, compare, compute and draw conclusions based on what they observe and record.
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Electricity and Magnetism: Are They Related?
Students explore electricity and magnetism. Through the use of role play, students simulate being a scientist. Experiments are performed during the simulation to discover the relationship between electric current and magnetism. After...
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Kinetic Theory
Students describe how molecules of the different phases of matter move according to the Kinetic Theory. For this chemistry lesson, students observe and participate in teacher demos. They give real world applications of the kinetic theory.
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How Do Cells Reproduce?
Students discuss the importance of reproduction of cells. They identify and describe the stages of Mitosis. They discover what happens to chromosomes and DNA during reproduction.