In this lesson, students learn about value and draw a 7-tone value scale. They then observe and draw an area of a skeleton model on a 6x6-inch square, incorporating line, shape, and value. They color the negative space and add collage elements using science and math reference materials.

CK-12’s Life Science delivers a full course of study in the life sciences for the middle school student, relating an understanding of the history, disciplines, tools, and modern techniques of science to the exploration of cell biology, molecular biology, genetics, evolution, prokaryotes, protists,fungi, plants, animals, invertebrates, vertebrates, human biology, and ecology. This digital textbook was reviewed for its alignment with California content standards.

Nikki is learning about plant seed dispersal methods. Join in and learn how this is important to plant reproduction.

Variables allow for a lot of freedom in computer science. This lesson helps to explain what variables are and how we can use them in many different ways. [1:43]

This content package is a curated collection of STEM instructional resources to support the introduction and exploration of programming and robotics in grades 3-5. Resources include lesson plans, engagement activities, ebooks, digital texts, and videos.

Science activity shows what happens when a bag can't hold any more carbon dioxide.

Learn the basics of an algorithm and it's use in computer programming. [5:27]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.