Curated OER
Mixed Expressions and Complex Fractions
Students are introduced to mixed expressions and complex fractions. They work through several problems with the instructor and then complete a worksheet.
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Exploring the Celestial Neighborhood
Ninth graders study the origin and organization of the solar system. They investigate the Earth's place in the system and how planetary motions explain natural phenomena observable from Earth.
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Aruba Cloud Cover Measured by Satellite
Learners analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.
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An Introduction To Genetic Disorders
Pupils work in pairs to investigate the causes of genetic disorders. They act as a married couple who is expecting a child that will be born with a genetic disorder and decide what decisions need to be made as a married couple.
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Gwynns Falls
Students investigate the question: What is the impact of urban development and expansion on the health of a decidious forest ecosystem and humans? They examine the issue of land development by responding to a specific scenario and...
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Protecting the Herd
Learners explain how immunizing a significant proportion of a population against a disease prevents epidemics of the disease (herd immunity). They list factors that affect the proportion of a population that must be immunized to prevent...
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Mystery Card 3
Students will make a circuit on a mystery card. They will connect wires, bulbs, and battery to form an electrical tester. After students learn how to make one following the directions, they can create their own mystery card by...
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Mystery Card 1
Students test their knowledge of electrical conductors and circuits by constructing an electric tester and using it to determine where electricity flows between circles on a mystery card.
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Pulse Rates
Students answer the question, "How will the intensity of exercise effect your heart rate?", using physical workouts and AppleWorks, or similar spreadsheet program. This lesson can conclude with the creation of a graph of data collected.
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How Can We Accurately Make Different Solutions of Different Concentrations?
Learners 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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How Much Does a Bear Weigh?
Students estimate how many children in their class it would take to equal the mass of one adult bear. They then weigh and record their measurement on a chart to check their estimate.
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Planet Picking
Pupils arrange the planets according to their distances from the sun. In this astronomy lesson, students list interesting properties about each planet. They identify an unknown planet photo.
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Wind Gauges
Students use FoilSim interactive software to become familiar with the way in which the flow of air across or around an airfoil affects its ability to create lift.
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Design of Airfoils and Problem- Solving Using FoilSim
Ninth graders, after reading the explanation given below, complete the problem-solving activities to demonstrate an understanding of the concepts presented.
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Characteristics of Lift and Wing Area
Students use FoilSim to complete the activity and investigate the factors that affect lift and how wing area and lift are related.
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Properties of Fractals
Students build a working definition of regular fractal, look carefully at the concepts of dimension and scale, and are introduced to logarithms. They solve simple exponential equations for the exponent both by trial and error and using...
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Speed Is the Key
Learners design and build a model downhill ski course that proves to be the fastest course at the Finish Line. They apply what they explore angles, slope, speed, and surface conditions to find the fastest course in the US.
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Lesson 3: Understanding Population Growth
Young scholars explain population growth in Maryland and its relationship with age structure, household growth and consumption of land.
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Construction and Use of an Accelerometer
Eighth graders, in groups, study acceleration and build an accelerometer.
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How Dense Are You?
Young scholars examine how density is a value that describes what type of a material an object is made of regardless of its shape or size.
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Who's Going to the Convention?
Students practice planning budgets as they create a budget for ten employees of a company to attend a professional convention. They use the Internet, and spreadsheet software to complete their assignment.
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Looking Back in Time (Alternative Activity)
High schoolers, in groups, devise alternative ways of measuring distances. They view a video and are introduced to the concept of parallax in measuring. They discuss their ideas with the class.
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Estimating Altitude of Water Cloud Base
Students conduct an experiment to determine dew point and use a formula to detemine altitude. They construct a chart and predict what altitude clouds would form, given the dew point on the ground.