Curated OER
Discovering Density
Students explore the physical properties of density. In this hands-on lesson, students calculate density and distinguish between intensive and extensive properties.
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Ice Cream Blizzards
Fourth graders explore whether the making of homemade ice cream is a physical change or a chemical change in a lab experiment. Students identify states of matter, describe the physical properties of states, and collect temperature data...
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Chemistry Lab: Solubility Product Constant of Sodium Chloride
In this solubility product constant of sodium chloride activity, students gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common ion to a...
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Reaction Kinetics
In this chemical reactions worksheet, students determine the reaction rate for various reactions, write balanced equations, create graphs showing the reaction over time, and calculate the activation energy and potential energy. This...
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Density and Buoyancy Lesson Plan
Students investigate why some objects float or sink in water. In this physics lesson, students calculate the density of clay ball using a mathematical equation. They write a complete lab report about the experiment.
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Density: Float or Sink
Learners discover density. In this density lesson, students discover the properties of objects that allow them to float or sink in water.
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The Energy of Music
Students discover how engineers use sound energy. They participate in hands-on activities in which they discover how we know sound exists. They identify different pitches and frequencies as well.
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A.P. Calculus Practice Exam AB Version- Section I- Part B
In this A. P. Calculus AB instructional activity, learners solve seventeen multiple-choice problems with a graphing calculator. This instructional activity is designed as a practice test for the A.P. Exam and should be timed.
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The Causes of Differences in Density
Learners explore how density changes. Students read an article on density. They observe a ball and ring demonstration and discuss the outcome. Learners draw models of the demonstration and explain what happened.
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Ice Cream Chemical and Physical Changes
Fourth graders identify characteristics of a simple physical and chemical change. They describe objects by the properties of the materials from which they are made and that these properties can be used separate. Students describe the...
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Making Data Meaningful
In this sample mean instructional activity, students explore different ways "average" is used. Students use this information to find the sample mean of the height of a large class of students. Students find the mean, median, mode and...
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Area of Complex Figures
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex...
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Matter & Subatomic Particles
Seventh graders divide into small groups to construct several models. Each group builds with an accompanying chart showing the colors of gumdrops used for the protons, electrons, and neutrons.)
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Hold on Tight!
Students explore the relationship between plant roots and the soil in which they grow. They examine photos of uprooted trees and desert areas and
conduct experiments designed to highlight this mutual relationship between roots and soil....
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Garden Variety Geometry
Students prepare to take the GED by reviewing basic math concepts. In this geometry lesson, students review vocabularies such as formula, perimeter, circumference and other important geometric terms. They convert between the English and...
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Avogadro's Law
Students study Avogadro's law and what it means in science. In this gaseous lesson students complete an Avogadro's law experiment.