
Unit 12 Thermal Energy
Quiz by Kate Downey
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30 questions
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- Q1transfer of energy by electro-magnetic waves is calledconvectionradiationconduction30s
- Q2When heat is transferred by the movement of currents within a fluid it is calledconvectionconductionradiation30s
- Q3When heat is transferred from one particle of matter to another by direct contact it is calledconvectionconductionradiation30s
- Q4How is the teapot being heated?radiationconductionconvection30s
- Q5How is the cat being heated?conductionradiationconvection30s
- Q6How is the man being heated?conductionradiationconvection30s
- Q7Energy will always flow or move from an area of high temperature to an area of low temperatureTrueFalse30s
- Q8A radiator is emitting hot air from the top and pulling in cold air at the bottom. A women accidentally touches the radiator and burns herself. Which of the following shows conduction?cold air being drawn into the radiatorradiator heating the roomWomen burning her handmovement of hot air rising and cold air sinking30s
- Q9Which will heat up faster?garniteironbasaltcopper30s
- Q10Which will heat up slower?waterironleaddry air30s
- Q11If I heat up 2 pans of water one has 100 mL in it and one has 1000mL. Which one heats up the fastest?1000mL100 mLThey both heat up at the same speed because they have the same specific heat30s
- Q12How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]6.45 J/(g•°C)16.1 J6.45 J16.1 J/(g•°C)30s
- Q13The temperature of a 6.0 g sample of glass changed from 20.0°C to 45.0°C when it absorbed 550 J of heat. What is the specific heat of this glass?0.27 J/g °C130 J/g °C12 J/g °C3.7 J/g °C30s
- Q14Which of the following best explains why the sand at the beach is hotter than the water?Sand has a higher specific heat than water.Sand has a lower specific heat than water.30s
- Q15When a piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?100°150°0°50°30s