Other
My Science Box: Is It Alive?
A lesson plan that introduces students to the concept of classifying objects as either living or non-living. From this lesson, students begin to think about the necessary characteristics of life.
CK-12 Foundation
Ck 12: Biology: First Organic Molecules
[Free Registration/Login may be required to access all resource tools.] Examines how the first organic molecules were formed.
CK-12 Foundation
Ck 12: Life Science: Active Transport
[Free Registration/Login may be required to access all resource tools.] During active transport, molecules move from an area of low concentration to an area of high concentration. This is the opposite of diffusion, and these molecules...
CK-12 Foundation
Ck 12: Life Science: Diffusion
[Free Registration/Login may be required to access all resource tools.] The process of molecules moving from an area where there are lots of molecules to an area where there are fewer molecules is known as diffusion. The diffusion of...
CK-12 Foundation
Ck 12: Life Science: Enzymes in the Digestive System
[Free Registration/Login may be required to access all resource tools.] Chemical digestion could not take place without the help of digestive enzymes. An enzyme is a protein that speeds up chemical reactions in the body. Digestive...
CK-12 Foundation
Ck 12: Life Science: 3.8 Transcription
Understand process of constructing an mRNA molecule from DNA is known as transcription.
CK-12 Foundation
Ck 12: Life Science: 2.10 Diffusion
Understand the processes of osmosis and diffusion.
CK-12 Foundation
Ck 12: Life Science: Passive Transport
[Free Registration/Login may be required to access all resource tools.] The cell membrane is semi-permeable. Sometimes molecules need the help of special transport proteins or an input of energy to help them move across it. When an input...
CK-12 Foundation
Ck 12: Life Science: Transcription of Dna to Rna
[Free Registration/Login may be required to access all resource tools.] DNA is located in the nucleus. Proteins are made on ribosomes in the cytoplasm. Remember that information in a gene is converted into mRNA, which carries the...
TeachEngineering
Teach Engineering: Surfactants: Helping Molecules Get Along
Students learn about the basics of molecules and how they interact with each other. They learn about the idea of polar and non-polar molecules and how they act with other fluids and surfaces. Students acquire a conceptual understanding...
CK-12 Foundation
Ck 12: Life Science: Organic Compounds
[Free Registration/Login may be required to access all resource tools.] The main chemical components of living organisms are known as organic compounds and are built around the element carbon. Living things are made up of very large...
CK-12 Foundation
Ck 12: Life Science: Carbon Cycle
[Free Registration/Login may be required to access all resource tools.] Carbon is one of the most common elements found in living organisms. Chains of carbon molecules form the backbones of many molecules, such as carbohydrates,...