Curated OER
What are Quarters Made of?
Learners study the meaning, symbolism, and value of U.S. coins,
especially the quarter. They l research why in 1965 the U.S. Mint decided to
change the metal composition of the quarter to copper coated with zinc. In addition, they...
Curated OER
Ice Core Research
Students study the work of Dr. Hajo Eicken through an audio conference. They engage in a conference call with Dr. Eicken to identify how ice core research is designed and conducted. After asking Dr. Eicken questions, they record their...
Curated OER
Acids and Bases - Vinegar II
Eighth graders experiment what happens when acids and bases are mixed together. In this acids and bases experimental lesson, 8th graders decide which of three solutions of unknown pH will neutralize a fourth solution of unknown pH.
Curated OER
Building A Sturdy Car
Learners build a sturdy Lego car using a motor and a pulley. They determine how sturdy the car is by dropping it from the height of the teacher's knee.
Curated OER
Tall Grass Prairies of Arkansas
Students compare maps depicting the past and present range of tall grass prairie in Arkansas. They research to discover what has happened to the prairie, why it is unique, how it contributes to the biodiversity of Arkansas, and why...
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Our Landfill Future
Students use the internet to research articles on garbage, landfills and the environment. In groups, they identify ways to conserve or recycle materials found in landfills and determine the future of a local landfill. They share their...
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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.
Curated OER
Lesson 3: Understanding Population Growth
Students explain population growth in Maryland and its relationship with age structure, household growth and consumption of land.
Curated OER
Women in Science
Students examine obstacles faced by women throughout the world. They gather ask-an-expert websites, propose leading questions, and communicate with real female scientists.
Curated OER
Sediment Tubes
Students 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.
Curated OER
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...
Curated OER
Different Types of Orange Juice Contain the Same Amounts of Vitamin C?
Students 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.
Curated OER
Optical Illusion Machine
Young scholars 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.
Curated OER
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.
Curated OER
Investigating How Pollutants Travel Through Groundwater
Learners 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...
Curated OER
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...
Curated OER
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.
Curated OER
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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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.
Curated OER
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.
Curated OER
Let There Be Light
Fifth graders explore electricity. For 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.
Curated OER
Ocean Grazers Conclusion
Learners research an ocean species. In this science lesson, students create a research presentation as a conclusion to the ocean grazers unit. Learners present their projects to the class and complete a self-reflection paper.