CK-12 Foundation
Ck 12: Physical Science: Ohm's Law
[Free Registration/Login may be required to access all resource tools.] Ohm's law and how to use it to calculate current.
CK-12 Foundation
Ck 12: Physical Science: Electric Circuits
[Free Registration/Login may be required to access all resource tools.] Explains what an electric circuit is, its different parts, and how to represent it using a circuit diagram.
CK-12 Foundation
Ck 12: Earth Science: Maps
[Free Registration/Login may be required to access all resource tools.] How to use topographic, bathymetric, and geologic maps.
CK-12 Foundation
Ck 12: Earth Science: Earth's Interior
[Free Registration/Login may be required to access all resource tools.] How scientists use seismic waves to learn about the Earth's interior.
CK-12 Foundation
Ck 12: Life Science: Basic and Applied Science
[Free Registration/Login may be required to access all resource tools.] Science can be "basic" or "applied." The goal of basic science is to understand how things work. Basic science is the source of most scientific theories. Applied...
CK-12 Foundation
Ck 12: Life Science: Plant Classification
[Free Registration/Login may be required to access all resource tools.] Do all plants grow from seeds? No, there are actually a few plants that do not make seeds. Whether or not a plant makes seeds is one criteria used to classify...
CK-12 Foundation
Ck 12: Physical Science: Bernoulli's Law
[Free Registration/Login may be required to access all resource tools.] Bernoulli's law and using air pressure to fly.
CK-12 Foundation
Ck 12: Earth Science: Wind Power
[Free Registration/Login may be required to access all resource tools.] How wind can be used to generate power, and its consequences.