CK-12

CK-12 provides open-source high quality K-12 learning platform to help teachers provide learning opportunities for students globally. Free access to 5000+ high-quality, customizable educational concepts in multiple modalities (text, videos, quizzes, images etc.) suited to different learning levels will allow teachers, students and others to innovate and experiment with new models of learning. Learn more at: www.ck12.org/teacher

Lessons 668
Views 89,451
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CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will learn about exoplanets, or planets that exist outside of our solar system. Students also learn how scientists identify and describe...
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will learn about the characteristics of asteroids. They will also learn how asteroids are being described and tracked, including ones that...
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will learn about comets, including their composition, where they originate, and what happens to them.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will learn about meteors. Meteors, meteoroids and meteorites are different forms of space rocks.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students learn about dwarf planets. Dwarf planets, like Pluto, resemble planets except they have not cleared their orbits of debris.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will explore star constellations, which can help us to locate objects in space and explain how distance works in space.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will explore the role of nuclear fusion in the life cycle of stars, and what particle accelerators reveal about it.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students will learn how a star is classified according to color and temperature.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students explore the formation of a star and the main sequence of the star's life cycle.
CK-12
Updated: 
2016
0 Comments
  • Science
  • Middle School
Students learn how parallax is used to measure distances to objects a few hundred light years from Earth, but brightness is used for objects at...