7+Energy

**7th Grade: Energy **


Key Idea 4: Energy exists in many forms, and when these forms change energy is conserved.** ||~  ||
 * = **Month** || **January** ||~  ||
 * = **Duration** || **2 Weeks** ||~  ||
 * = **Content** || **Energy: Methods of Heat Transfer, Energy & Energy Transformations, Kinetic & Potential Energy** ||~  ||
 * = **Key Ideas** || **Standard 4: The Physical Setting
 * = **Standards** || * //**Performance Indicator 4.1: Describe the sources and identify the transformations of energy observed in everyday life.**//
 * **4.1a: The Sun is a major source of energy for Earth. Other sources of energy include nuclear and geothermal energy.**
 * **4.1b: Fossil fuels contain stored solar energy and are considered nonrenewable resources. They are a major source of energy in the United States. Solar energy, wind, moving water, and biomass are some examples of renewable energy sources.**
 * **4.1c: Most activities in everyday life involve one form of energy being transformed into another. For example, the chemical energy in gasoline is transformed into mechanical energy in an automobile engine. Energy, in the form of heat, is almost always one of the products of energy transformations.**
 * **4.1d: Different forms of energy include heat, light, electrical, mechanical, sound, nuclear and chemical. Energy is transformed in many ways.**
 * **4.1e: Energy can be considered to be either kinetic energy, which is the energy of motion, or potential energy, which depends on relative position.**
 * //**Performance Indicator 4.2: Observe and describe heating and cooling events**//
 * **4.2a: Heat moves in predictable ways, flowing from warmer objects to cooler ones, until both reach the same temperature.**
 * **4.2b: Heat can be transferred through matter by the collisions of atoms and/or molecules (conduction) or through space (radiation). In a liquid or gas, currents will facilitate the transfer of heat (convection).**
 * //**Performance Indicator 4.3: Observe and describe energy changes as related to chemical reactions.**//
 * **4.3a: In chemical reactions, energy is transferred into or out of a system. Light, electricity, or mechanical motion may be involved in such transfers in addition to heat.**
 * //**Performance Indicator 4.5: Describe situations that support the principle of conservation of energy.**//
 * **4.5a: Energy cannot be created or destroyed, but only changed from one form into another.**
 * **4.5b: Energy can change from one form to another, although in the process some energy is always converted to heat. Some systems transform energy with less loss of heat than others.** ||  ||
 * = **Relevant Vocabulary** || **conduction, convection, radiation, law of conservation of energy, nuclear energy, thermal (heat) energy, chemical energy, mechanical energy, electromagnetic energy, energy conversion, kinetic energy, potential energy** ||  ||
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 * **<span style="display: block; color: rgb(222, 18, 18); text-align: center;">Additional Resources ** || ||