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Which type of energy is occurring in the above picture? (S8P2) Mechanical to electrical energy Mechanical to solar energ

Many electronic devices use batteries as a source of energy. The batteries will eventually wear out. In terms of the Law of Conservation of Energy, what has occurred? (S8P2) The Law of Conservation of Energy is not correct All of the energy has been transformed into other forms of energy

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Which type of energy is occurring in the above picture? (S8P2) Mechanical to electrical energy Mechanical to solar energ

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  1. Many electronic devices use batteries as a source of energy. The batteries will eventually wear out. In terms of the Law of Conservation of Energy, what has occurred? (S8P2) The Law of Conservation of Energy is not correct All of the energy has been transformed into other forms of energy All of the energy has been converted into mass The Law of Conservation of Energy does not apply in this situation A metal toy dump truck is left outside. After a few months, the truck has rusted. Rusting is evidence of (S8P1) A physical property A physical change A chemical property A chemical change
  2. A battery-powered watch with a minute hand and an hour hand tells time because of the transformation of one energy form to another. Which of the sequences below illustrates this transformation? (S8P2) Chemical – electrical – mechanical Chemical – mechanical – electrical Mechanical – chemical –electrical Electrical – chemical – mechanical Which family of elements is least reactive? (S8P1) The alkali metals in Group 1 The transition metal in Group 3 The noble gases in Group 18 The halogen nonmetals in Group 17
  3. Which type of energy is occurring in the above picture? (S8P2) Mechanical to electrical energy Mechanical to solar energy Electrical to mechanical energy Solar energy to electrical energy Which of the following is the basis for arranging the elements in the modern periodic table? Alphabetical order Masses of atoms Number of protons Date of discovery
  4. Which of the following is designed to convert energy into mechanical work? (S8P2) Flashlight Kerosene heater Electric fan Baking oven You need to measure the mass of a quantity of sugar for use in an experiment. Which tool would you use? A triple-beam balance A teaspoon A ruler A spring scale
  5. A chef pours a cup of rice into a pot of boiling water and observes the rice swirling around in the pot. Which of the following explains the cause of this action? Heat transfer by radiation makes rice vibrate The rice is carried along by conduction The chef stirred the pot before the rice was added The rice is carried along by convection currents Which statement refers to a physical property of a substance? (S8P1) Carbon combines with oxygen to form carbon monoxide The density of copper is 8.93 g/cm3 Acids are corrosive Zinc metal reacts with an acid to produce hydrogen gas
  6. Slide one B/D Slide two A/C Slide three D/C Slide four C/C Slide five D/B
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