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Constructions of Isosceles and Equilateral Triangles

For Teachers 4th - 9th
Pupils explore the difference between drawing and constructing a triangle utilizing The Geometer's Sketchpad on the computer. They create, develop and script constructions for both isosceles and equilateral triangles. Each student has to...
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Ship Shape

For Teachers 2nd
Second graders explore shapes. After reading books about shapes, 2nd graders describe the properties of various shapes. They identify shapes if they have been rotated, flipped, or slid. Students create shapes using drawings and geoboards.
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Investigating the Soil

For Teachers 3rd - 5th
Students explore the Earth's crust by researching pH levels and acidity. In this environmental safety lesson, students identify the pros and cons of acidity within soil and how it affects plants. Students collaborate in a pH level...
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Individual Sundial (Cloud/Rain Activity)

For Teachers 4th - 5th
Students make a simple sundial to examine the changes in shadows over time. In this sundial and shadow lesson, students make a simple sundial out of a manila folder and pencil. They observe how shadows change over time, and relate it to...
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HOW BIG IS A BLUE?

For Teachers 4th - 8th
Learners compare the lengths of whales using different lengths of rope. They illustrate one whale in life-size proportion.
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Gazebo Construction

For Teachers 6th - 8th
Students create and give oral proposals for the construction of a gazebo using a blueprint created with Geometer's Sketchpad. They then build a gazebo model using the blueprints created and provide evidence why it should be selected for...
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Perimeter and Area

For Teachers 5th
Fifth graders identify the area and perimeter of a rectangle. In this perimeter lesson, 5th graders use geoboards and rubber bands to construct various rectangles. Students use the formula to calculate area and perimeter of the...
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Discovering Friction

For Teachers 6th - 8th
Students watch a demonstration that introduces them to the idea that friction is a force that impedes motion when two surfaces are in contact. They work in groups to experiment with frictional force using a coffee cup on which they alter...
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How Are The Properties of Covalent Compounds Influenced By Chemical Bonding?

For Teachers 9th - 12th
Students work together to observe the bond lengths of single, double and triple bonds. They make their own predictions about the strength of the bonds and chemical reactions. They answer discussion questions to complete the...
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The Gingerbread Man

For Teachers 1st
In this unit students use the traditional tale of the gingerbread man as a context for ordering and comparing lengths. They compare the length of two objects directly, order three or more objects by length and select objects that are...
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Paper Planes

For Teachers 3rd
In this unit, 3rd graders investigate one variable to see if they can make a paper plane fly farther. They use scatter plots to establish a possible relationship between variables then use what they have found to make a paper plane to...
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Cafeteria Mayhem

For Teachers 9th - 12th
Students design a cafeteria floor plan. For this area and perimeter lesson, groups create an efficient lunchroom layout on poster board by using geometric shapes and formulas as the basis for their designs. In the accompanying writing...
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Kites: Patang - The Indian Fighter Kite

For Teachers 5th - 8th
Students investigate the history of fighter kites and build their own.  In this aeronautics lesson, students discover how other countries utilize fighter kites and where they originated.  Students create their own fighter kites...
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Salinity

For Teachers 4th - 12th
Learners define and discuss salinity, conduct classroom experiment to determine salinity of water sample by using hydrometer, record predictions, and demonstrate understanding of how salinity influences object's ability to float in water.
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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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Congruent Triangles Postulates

For Teachers 3rd - 4th
Students discover three lettered postulates that prove triangles congruent.

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