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CK-12 Foundation
Archery
Archery is believed to be one of the oldest sports in the world at more than 25,000 years old—meaning it can teach your classes a lot! Scholars learn about the forces interacting in the archery simulation. They control the archer's...
CK-12 Foundation
Water Fountain
Most water fountains are designed to keep the water inside the fountain, but how are they designed to shoot up and out without the water leaving the fountain? Scholars vary the launch angle, fountain height, launch speed, and...
101 Questions
Lucky Cow
Cutting the cheese isn't a joke. Scholars observe a wedge of cheese and must determine how to cut it in half horizontally. They apply their knowledge of sectors to determine the most accurate way to slice the cheese.
Curated OER
Parallel and Perpendicular Lines and Lines of Symmetry: Rhombus Shadowing
Fifth graders demonstrate different types of lines using movement. In this line and movement lesson, 5th graders demonstrate parallel and perpendicular lines, and lines of symmetry using dance movement. They also demonstrate rhombus...
Curated OER
Heating Up: Direct and Indirect Sunlight
Students, by conducting simulations, explore the effects of direct and indirect sunlight on heating of the Earth.
Curated OER
Geometry Geopardy
Third graders participate in a game in order to review geometric concepts.
Curated OER
Weather Tools
Middle schoolers explore Earth science by participating in a weather identification activity. In this scientific instrument lesson, students identify several weather related tools such as the weather vane, thermometer and rain gauge....
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