Page 49 - Science Course 2 (Book 2)
P. 49

Mo9-L1: Lesson Review Quiz      (True or False)


                Direction: On the line before each statement, write T if the statement is true or F if the statement is false.
                            If the statement is false, change the underlined word to make it true. Write your changes on the
                            lines provided.

                            1. At the top of a hill, a roller coaster has a lot of kinetic energy.



                            2. When electrical energy plants burn coal, they are transforming chemical energy into electric
                                 energy.



                            3. To do work on an object, the object must move in the direction of the force.


                            4. When thermal energy moves from a region of higher temperature to a region of lower
                                 temperature, the energy is called work.




                  Mo9-L1: Lesson Review Quiz      (Matching)


                Direction: On the line before each def nition, write the letter of the term that matches it correctly. Each
                            term is used only once.


                            5. released as waste as part of every energy transfer  A. work
                            6. Energy cannot be created or destroyed.       B. energy transformation
                            7. energy converted to another form             C. thermal energy
                            8. when force makes an object move              D. law of conservation of energy




                Direction: Respond to each statement on the lines provided.


                9. Def ne heat in terms of energy movement.














               10. Explain why a person who is holding a box in the air and standing still is not doing work.



















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