8th Benchmark Part 2
Quiz by R. Solomon
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8 questions
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- Q1A warm soda can is placed in an ice filled cold cooler. What energy transfer takes place?Thermal energy is transferred from the can to the ice, cooling the soda and warming the water.Cold energy is transferred to the can, warming the can and cooling the ice.Cold energy is transferred to the can, cooling the can and warming the ice.Thermal energy is transferred from the ice to the can, cooling the can and warming the water.30s
- Q2A reaction of baking soda and lemon juice takes place in a closed bag. Which is true about the final weight?The end weight will be less because atoms were destroyed.The end weight will be greater because new atoms are produced.The end weight will be the same because atoms do not change.The end weight will be the same because some atoms get destroyed and some new atoms are created.30s
- Q3You hold a cold piece of metal in your hand until it warms up. What happened?Trick question, your hand will get colder.Thermal energy transfers from the metal to your hand.Thermal energy from your hand transfers to the metal.Trick question, the metal will stay the same temperature.30s
- Q4You can't get the lid off a new pickle jar. You decide to run the lid under hot water to get the jar to open. What does the hot water do?It causes the the metal lid to expand more than the glass jar.It causes the glass jar to expand more than the metal lid.It causes the metal lid to contract.It causes the glass jar to contract.30s
- Q5How is average speed of molecules in an object related to that object's thermal energy?The greater the average speed, the less the thermal energy.There is no relationship between the average speed of particles and an object's thermal energy.The less the average speed, the greater the thermal energy.The greater the average speed, the greater the thermal energy.30s
- Q6You've probably noticed that there are spaces between sidewalk blocks. Which explanation below is correct about what might happen to those spaces during a hot summer day?Some get wider while others get more narrow, it just depends on the section.The spaces get wider because the concrete sections contract.The spaces get narrower because the concrete sections expand.The spaces never change, they are always the same amount.30s
- Q7In a room temperature ball and sphere system, the ball can barely fit through the ring. When the metal ball is heated, what will happen?The ball will not change and continue to fit through the ring.There is not enough information to answer this question.The ball will expand and not fit through the ring.The ball will contract and fit through the ring.30s
- Q8An empty, room temperature paper cup is filled with cold water. Which of the following correctly explains the transfer of thermal energy?Thermal energy from the cup and cold water is only transferred to the air.Thermal energy is transferred from the cold water to the cup.The cup and cold water are already at equilibrium and no energy transfer will happen.Thermal energy is transferred from the cup to the cold water until equilibrium is reached.30s