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Lesson Plan
Curated OER

Investigating Trigonometric Ratios Through Similar Right Triangles.

For Teachers 8th - 10th
49Students investigate the properties of right triangles. In this geometry lesson, students differentiate between similar and congruent triangles. They use the Pythagorean Theorem to find the missing angles and sides.
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Lesson Plan
Curated OER

Investigating Trigonometric Ratios Through Similar Right Triangles

For Teachers 9th - 10th
Students identify similar and congruent right triangles. In this geometry lesson, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
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Lesson Plan
Curated OER

Exploring Geometric Mean

For Teachers 8th - 10th
Students solve problems using geometric means. In this geometry instructional activity, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Lesson Plan
Curated OER

Exploring Geometric Mean

For Teachers 8th - 10th
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Lesson Plan
Curated OER

Finding the Vertex of a Quadratic Function

For Teachers 9th - 10th
Young scholars solve quadratic equations and identify the vertex. In this algebra lesson, students factor quadratic equations and identify the different properties of a parabola. They graph the functions using the vertex and intercepts.
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Lesson Plan
Curated OER

Investigating Pythagorean Triples

For Teachers 9th - 10th
Students investigate and solve Pythagorean triples. For this geometry lesson, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
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Lesson Plan
Curated OER

Investigating the Pythagorean Triples

For Teachers 9th - 10th
Students investigate the Pythagorean triples. In this geometry lesson, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
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Lesson Plan
Curated OER

Heron's Formula

For Teachers 9th - 10th
Students use Heron's formula to calculate the area of a triangle. In this geometry lesson, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector of a triangle.
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Lesson Plan
Curated OER

Special Right Triangles

For Teachers 9th - 10th
Young scholars identify different types of special right triangles. For this geometry lesson, students differentiate between right triangles and isosceles triangles. they construct the triangles using geometry software and make...
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Lesson Plan
Curated OER

Principles of Flight: Where are We?

For Teachers 7th - 8th
Students explore the concept of topographical maps.  For this topographical map lesson, students discuss how airplanes know where to fly.  Students use topographical maps to simulate a field trip on the computer. 
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Lesson Plan
Curated OER

How Many Is Too Many?

For Teachers 7th - 12th
Learners explore the population explosion. They view a video depicting the exponential growth of human population. Students research the internet to project future population data. They perform hands-on, multimedia activities to study...
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Lesson Plan
Curated OER

Thinking About the Environment: Where Are Our Forests?

For Teachers 4th - 8th
Learners investigate our lack of forests by examining population.  In this deforestation lesson, students research a list of the continents, their populations, and remaining forest area.  Learners discuss why forests are disappearing and...
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Lesson Plan
Curated OER

Untitled Document Aerospace Team Online:

For Teachers 9th - 12th
Students explain the historical significance of use of the scientific method in developing the first airplane and appreciate the process involved in developing a new technology.
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Lesson Plan
Curated OER

The Time of Man

For Teachers 7th - 8th
Learners demonstrate visually Mankind's relative place on the earth's timeline. They familiarize themselves with the use of the metric system in measuring and producting a timeline.
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Lesson Plan
Curated OER

Volumes of Prisms and Cylinders

For Teachers 8th - 10th
Students calculate the volume of prisms and cylinders. In this geometry lesson, students are give part of the formula, and must calculate the missing parts. They use 80% accuracy for their dimensions.
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Lesson Plan
Curated OER

Radiation Reassessed

For Teachers 5th - 12th
Students investigate the dangers of radiation by exploring recent nuclear tragedies.  In this scientific debate instructional activity, students define the idea of radiation "half life" and determine if low doses of radiation are truly...
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Lesson Plan
Curated OER

Does Weight Affect Drag?

For Teachers 6th - 8th
Students investigate how weight affects a parachute's rate of fall.  In this investigative lesson students test parachutes, average results and conclude what makes a faster descent.
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Lesson Plan
Curated OER

Water Regulation

For Teachers 9th - 12th
High schoolers use their basic knowledge of physiology to analyze graphical data of paramecia under diverse conditions. From the data analysis, Students develop explanations of the animal's response to the concentration of different...
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Lesson Plan
Curated OER

Cross That Bridge

For Teachers 6th - 8th
Students create paper bridges. In this geometry and architecture instructional activity, groups use legal paper and paper clips to design a bridge that will hold 100 pennies. Links to mini-lessons exploring stability of different...
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Lesson Plan
Curated OER

The Tale of the Feral - Care and Multiplication of Feral Cats

For Teachers 5th - 8th
Students differentiate between a feral cat and a domesticated cat. In this cat lesson plan, students use the scientific method, calculate averages, solve story problems, and learn how a caretaker can help a feral colony live safely.
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Lesson Plan
Curated OER

Determination of Phylogenetic Relationships Using Restriction Analysis

For Teachers 9th - 10th
Students applied various mathematical analyses to interpret their data. By using the resulting DNA fragment patterns from several enzymes students established a possible evolutionary relationship among the mice.
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Lesson Plan
Curated OER

Choose or Lose: The Electoral Process

For Teachers 7th - 10th
Pupils examine the local and national election process. In groups, they brainstorm a list of the issues important to them and compare them to an overall list of issues present in the election. They analyze graphs and complete...
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Lesson Plan
Curated OER

Mass vs. Weight

For Teachers 6th - 9th
Young scholars explore physical science by conducting a measurement experiment. In this mass instructional activity, students identify the differences between mass and weight and define a list of other vocabulary terms. Young scholars...
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Lesson Plan
Curated OER

Bridges

For Teachers 9th
Ninth graders use model-building to help comprehend the forces and phenomena at work in the world around them. They describe gravity as a universal force that pulls everything toward the center of the earth. Students distinguish between...

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