Curated OER
Investigating Trigonometric Ratios Through Similar Right Triangles.
49Learners 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.
Curated OER
Investigating Trigonometric Ratios Through Similar Right Triangles
Students identify similar and congruent right triangles. For this geometry lesson, students use trigonometric ratios to identify missing sides and angles of a triangle. They differentiate similar and congruent triangles.
Curated OER
Exploring Geometric Mean
Students solve problems using geometric means. For this geometry lesson, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
Curated OER
Exploring Geometric Mean
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...
Curated OER
Investigating Pythagorean Triples
Students investigate and solve Pythagorean triples. In 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.
Curated OER
Investigating the Pythagorean Triples
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.
Curated OER
Teaching Biology Through Problem-based Activities
Young scholars plant seeds and observe the life cycle of the organism. They experimentally research the effects of radiation on seed growth. Students determine the effects of environmental pollutants on harvested seed.
National Science Teachers Association
Hop into Action
Young scientists find out what makes amphibians such unique and interesting animals in this simple life science lesson. After looking at pictures and discussing the characteristics of amphibians, learners complete a series...
Curated OER
Heron's Formula
Students use Heron's formula to calculate the area of a triangle. In this geometry lesson plan, students use three different methods to solve the area of a triangle. They find and construct the incentor and angle bisector of a...
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Special Right Triangles
Students 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 conjectures...
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Principles of Flight: Where are We?
Students explore the concept of topographical maps. In this topographical map lesson plan, students discuss how airplanes know where to fly. Students use topographical maps to simulate a field trip on the computer.
Curated OER
Learning About Our Five Senses
Students study the sense of touch and various degrees of heat. They design a model that displays how the human hand reacts to heat using a touch sensor.
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Determining the Age of Fossils
Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Curated OER
Untitled Document Aerospace Team Online:
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.
Curated OER
Rain, Rain, Go Away
Students conduct a number of experiments involving evaporation and condensation. They view and discuss a video about the water cycle and then design posters about the rain based on the book "Cloudy With A Chance of Meatballs".
Curated OER
Radiation Reassessed
Learners investigate the dangers of radiation by exploring recent nuclear tragedies. In this scientific debate lesson, students define the idea of radiation "half life" and determine if low doses of radiation are truly damaging to...
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Clean Water vs. Dirty Water
Students study the importance of clean water to the survival of organisms and what activiities and material pollute water. They measure the temperature of water samples and create a class graph.
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Cross That Bridge
Students create paper bridges. In this geometry and architecture lesson plan, groups use legal paper and paper clips to design a bridge that will hold 100 pennies. Links to mini-lessons exploring stability of different geometric figures...
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Water Regulation
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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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.
Curated OER
Data Days
Sixth graders practice collecting, organizing and displaying data. They create circle, bar, line and picto graphs. They analyze data in small and large sample groups.
Curated OER
Windsor Opposes Waste - WOW!
Students participate in paper recycling. They are taught to environmental awareness of recycling and its importance in their future. Students discuss and identify the problems of how they can minimize waste. They brainstorm suggestions...
Curated OER
Sizes, Sizes, Choosing the Largest and Smallest
In this size comparison worksheet, students examine 4 rows of black and white clip art pictures. They draw an X on the largest picture and a circle around the smallest picture.
Curated OER
Presidential Trading Cards
Students research the Internet to collect data about the US Presidents. They use the data that they collect along with available technology to produce trading cards and brochures using keyboarding skills, text boxes, acquiring photos,...