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Access Prior Knowledge Lesson 1: What is energy?

Access Prior Knowledge Lesson 1: What is energy?. Opening Activity Open Science textbook to page 447. Open Science folder to review vocabulary words and outline for the chapter.

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Access Prior Knowledge Lesson 1: What is energy?

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  1. Access Prior Knowledge Lesson 1: What is energy? Opening Activity Open Science textbook to page 447. Open Science folder to review vocabulary words and outline for the chapter. Open Science journal and answer the following questions:1- Give three examples of simple machines and how they make work easier. Review Content Cards and Q-Cards in bin, sharing with partners quizzing each other quietly. Log in to clickers using student ID number. Be ready to review home learning when timer goes off. Don't forget to write your home learning in your agenda page 140A.

  2. Do you agree with the statement? 1. Energy can be created and it can be destroyed. Yes No

  3. Do you agree with the statement? 2. If an object is moving, it has kinetic energy. Yes No

  4. Do you agree with the statement? 3. Another name for potential energy is stored energy. Yes No

  5. Do you agree with the statement? 4. An atoms nucleus has large amounts of kinetic energy. Yes No

  6. Forms of Energy Energy is the ability to do work or cause a change, and cannot be created or destroyed. It can change an objects color, temperature, shape or motion. When energy changes form, some of it is given off as unusable heat.

  7. Energy Changes -Energy can change forms, like a lamp changing electrical energy to light energy to thermal energy. -Chemical energy is found in the bonds that hold molecules together, like in food. -Nuclear energy holds the nucleus of an atom together and doesn’t let protons get knocked out. -Mechanical energy is in moving or stretching objects. -Light energy is found in light. -Sound energy is found in sound. Electrical energy changes to sound energy when a radio is turned on. -Thermal energy is when you feel heat. A firecracker exploding gives off thermal, light and sound energy.

  8. Kinetic Energy Kinetic energy is the energy of moving things. It is greater when an object moves faster and when an object has more mass. Kinetic energy can change into other kinds of energy, like a windmill changing kinetic energy into electrical energy.

  9. Potential Energy Potential energy is stored energy, when something is not moving. It doesn’t change anything when it’s not moving, but when objects fall it changes into other forms of energy. Potential energy is greater the higher up you go.

  10. Chemical Energy Nuclear Energy Nuclear energy is released when protons get knocked out of the nucleus. Food is a fuel that has chemical energy, which we measure in calories. The more calories the more energy the food has for you.

  11. MatchQuest BRAIN POP: Potential Energy and Kinetic Energy

  12. TextQuest Answer in your Science Journal 1. How can energy change forms? 2. When a firecracker explodes, what type of energy is given off? 3. Where does an object have more potential energy, on top of the table or on the floor? Don't forget to write your home learning in your agenda page 140A.

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