front 1 What is the law of conservation of energy? | back 1 Energy cannot be created or destroyed; it can only change forms. |
front 2 What energy transformations take place when a hair dryer is used? | back 2 Electrical energy from the circuit is transformed to thermal energy and sound energy. |
front 3 An ice cube is placed in a glass of warm tea. Later, the ice has melted, and the tea is cooler. What is true about the system now? | back 3 Thermal energy has been transferred from the tea to the surrounding air and glass. |
front 4 What energy transformation happens when you use a microwave oven? | back 4 Electrical energy is transformed into electromagnetic energy. |
front 5 A forklift is used to lift a crate from the ground and place it onto a truck. What type of energy is transferred to the crate? | back 5 Gravitational potential |
front 6 What type of energy is a forest fire? | back 6 Thermal, light energy |
front 7 Energy is found in many different forms, but it can be classified into two distinct categories: | back 7 kinetic energy and potential energy. |
front 8 ______ is another name for thermal energy. | back 8 Heat |
front 9 Batteries take stored chemical energy and turn it into _______ energy. | back 9 electrical |
front 10 The Sun and all of the stars in the universe generate energy through fusion reactions. This is known as... | back 10 nuclear energy. |
front 11 ______ energy is energy stored in an object when it is compressed. | back 11 Elastic |