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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.
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Ck 12: Physical Science: Electric Power and Electrical Energy Use
[Free Registration/Login may be required to access all resource tools.] Electric power and electric energy use of appliances and how to calculate them.
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Ck 12: Earth Science: Energy Use
[Free Registration/Login may be required to access all resource tools.] Energy use in the U.S. and a comparison of oil use amongst the top oil-using nations.
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Ck 12: Earth Science: Uses of Water
[Free Registration/Login may be required to access all resource tools.] Describes how humans use water today.
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Ck 12: Physical Science: Using Earth's Magnetic Field
[Free Registration/Login may be required to access all resource tools.] The Earth's magnetic field and how it protects life on Earth, and how it is used for navigation.
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Ck 12: Earth Science: Correlation Using Relative Ages
[Free Registration/Login may be required to access all resource tools.] How rock layers in different locations can be connected to make pictures of a region's geology.
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Ck 12: Physical Science: Dangers and Uses of Radiation
[Free Registration/Login may be required to access all resource tools.] Explores the danger and uses of radiation, how it is detected, and radiation in the environment.
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Ck 12: Life Science: Human Uses of Fungi
[Free Registration/Login may be required to access all resource tools.] Fungi are extremely important to the ecosystem because they are one of the major decomposers of organic material. But how do they help people? They are used to help...
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Ck 12: Electromagnetism
[Free Registration/Login may be required to access all resource tools.] The concept of electromagnetism and its uses are explained, and the right hand rule for finding the direction of a magnetic field is demonstrated.
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Ck 12: Life Science: Flow of Energy
[Free Registration/Login may be required to access all resource tools.] When an herbivore eats a plant, the energy in the plant tissues is used by the herbivore. Every time energy is transferred from one organism to another, there is a...
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Ck 12: Physical Science: Electronic Signal
[Free Registration/Login may be required to access all resource tools.] Covers electronic signal, how an electric current can be used to send an electronic message, what analog and digital signals are, and the difference between them.
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Ck 12: Life Science: Producers
[Free Registration/Login may be required to access all resource tools.] Energy is the ability to do work. In organisms, this can be physical work, like walking or jumping, or it can be the work used to carry out the chemical processes in...
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Ck 12: Physical Science: Electromagnetic Induction
[Free Registration/Login may be required to access all resource tools.] Covers what electromagnetic induction is, how it occurs, the current produced from it, and how it is used.
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Ck 12: Life Science: Punnett Squares
[Free Registration/Login may be required to access all resource tools.] A Punnett square is a special tool derived from the laws of probability. It is used to predict the offspring from a cross, or mating between two parents. Learn more...
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Ck 12: Physical Science: Radio Waves
[Free Registration/Login may be required to access all resource tools.] Radio waves and how they are used for AM and FM radio and television.
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Ck 12: Physical Science: Magnets
A module that uses pictures, videos, reading passages, and review question to go over what a magnet and magnetic pole are, and how magnetic force is related to magnetic field. This site may require free registration to access all...
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Ck 12: Life Science: Role of Amphibians
[Free Registration/Login may be required to access all resource tools.] Humans have used amphibians for a number of purposes for thousands of years, if not longer. Amphibians play significant roles in many food webs and are thus an...
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Ck 12: Life Science: Importance of Birds
[Free Registration/Login may be required to access all resource tools.] You are probably familiar with birds as food. Around the world, people consume chicken, turkey, and even more exotic birds, like ostriches. Can you think of other...
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Ck 12: Life Science: Importance of Echinoderms
[Free Registration/Login may be required to access all resource tools.] Echinoderms are important for the ecosystem. They are also a source of food and medicine for humans. Learn more about the importance of echinoderms in this learning...
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Ck 12: Physical Science: Scientific Graphing
[Free Registration/Login may be required to access all resource tools.] Usefulness and types of graphs.
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Ck 12: Life Science: Importance of Arthropods
[Free Registration/Login may be required to access all resource tools.] Arthropods might seem a little scary, but they are actually performing important roles in the environment. Arthropods are important to the ecosystem and to humans in...
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Ck 12: Life Science: Importance of Insects
[Free Registration/Login may be required to access all resource tools.] Many insects are considered to be pests by humans. However, insects are also very important for numerous reasons. Learn more about the importance of insects in this...
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Ck 12: Life Science: Importance of Mammals
[Free Registration/Login may be required to access all resource tools.] Mammals play many important roles in ecosystems, and they also benefit people. Learn more about the importance of mammals in this learning module produced by CK-12.
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Ck 12: Life Science: Fungi
[Free Registration/Login may be required to access all resource tools.] Ever notice blue-green mold growing on a loaf of bread? Do you like your pizza with mushrooms? Has a physician ever prescribed an antibiotic for you? Learn more...