1) The sun provides Earth with which of the following types of energy? a) electrical and heat b) thermal and light c) thermal and electrical 2) Which kind of mechanical energy is stored energy? a) potential  b) electric c) kinectic 3) What energy change takes place when Sam plugs a radio into an electrical outlet? a) light energy changes into sound energy b) sound energy changes into electrical energy c) electrical energy changes into sound energy 4) An insulator is often used to help regulate an object’s temperature. Which is true about an insulator? a) It allows heat to pass through easily. b) It slows energy transfer. c) It provides heat to keep materials warm. 5) Heat must flow to cause a material to change its temperature. Which action will change an ice cube’s temperature in the shortest amount of time? a) placing the ice cube in a glass of warm water b) placing the ice cube in a freezer c) placing the ice cube in a pot of boiling water 6) A farmer is planning to build a barn. The walls of the barn can be either wood or metal. Which is likely to be warmer in the winter and cooler in the summer? a) metal b) wood 7) What must happen in order for sound waves to form? a) matter must vibrate b) a certain temperature must be reached c) an electric current must flow 8) Which of the following is NOT an example of sound energy? a) music on the radio b) drums during a concert c) solar energy heating the house 9) What do you need to form a closed circuit? a) battery, light bulb and one wire b) two wires, battery and light bulb c) battery, light bulb and buzzer 10) Which energy is mechanical energy at rest? a) Kinetic Energy b) Potential Energy c) Sound Energy 11) The energy powering a ceiling fan could be an example of which two energies? a) electrical and sound b) electrical and thermal c) electrical and mechanical 12) Which of the following kitchen objects would be the best conductors of thermal energy? a) pan b) oven mitts c) spatula

Forms of Energy

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