CK-12 Foundation
Ck 12: Earth Science: Main Sequence Star Lives
[Free Registration/Login may be required to access all resource tools.] Examines the main sequence of the star's life cycle.
CK-12 Foundation
Ck 12: Earth Science: Map Projections
[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: 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: Marine Food Chains
[Free Registration/Login may be required to access all resource tools.] Describes the marine food chain.
CK-12 Foundation
Ck 12: Earth Science: Mars
[Free Registration/Login may be required to access all resource tools.] Recognize the features of the planet Mars.
CK-12 Foundation
Ck 12: Earth Science: Mars
[Free Registration/Login may be required to access all resource tools.] Recognize the features of the planet Mars.
CK-12 Foundation
Ck 12: Earth Science: Materials Humans Use
[Free Registration/Login may be required to access all resource tools.] Just a few resources that we use for products that we like.
CK-12 Foundation
Ck 12: Earth Science: Materials Humans Use
[Free Registration/Login may be required to access all resource tools.] Just a few resources that we use for products that we like.
CK-12 Foundation
Ck 12: Earth Science: Measuring Earthquake Magnitude
[Free Registration/Login may be required to access all resource tools.] Covers the instruments scientists use to measure earthquake magnitude.
CK-12 Foundation
Ck 12: Earth Science: Measuring Earthquake Magnitude
[Free Registration/Login may be required to access all resource tools.] Covers the instruments scientists use to measure earthquake magnitude.
CK-12 Foundation
Ck 12: Earth Science: Mechanical Weathering
[Free Registration/Login may be required to access all resource tools.] Describes various types of mechanical weathering.
CK-12 Foundation
Ck 12: Chemistry: Gold Foil Experiment: Rutherford's Atomic Model
[Free Registration/Login may be required to access all resource tools.] This site explains Rutherford's discovery of the nucleus and the planetary model of the atom and the role of gold foil experiment in refining the atomic model. It...
CK-12 Foundation
Ck 12: Algebra: Comparison of Problem Solving Models
[Free Registration/Login may be required to access all resource tools.] Solve real-world problems using selected strategies as part of a problem solving plan
CK-12 Foundation
Ck 12: Biology: History of Life
[Free Registration/Login may be required to access all resource tools.] This comprehensive lesson by CK-12 explains how scientists learn about the past by examining and dating fossils.
CK-12 Foundation
Ck 12: Chemistry: Dalton's Atomic Theory
[Free Registration/Login may be required to access all resource tools.] Reveals the basics of Dalton's atomic theory.
CK-12 Foundation
Ck 12: Earth Science: Telescopes
[Free Registration/Login may be required to access all resource tools.] Overview of the electromagnetic spectrum and types of telescopes.