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- 1. Multiple ChoiceWhich type of energy transformation occurs when a flashlight shines?chemical → thermal → electricalchemical → electrical → lightthermal → chemical → lightchemical → electrical → chemical
- 2. Multiple Choice
A lamp that plugs into a wall socket draws energy which flows through a thin wire in the bulb causing it to glow. What energy transformations are taking place?chemical → light → electricalmechanical → sound → lightthermal → solar → electricalelectrical → thermal → light - 3. Multiple ChoiceWhich of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?chemical → light → electricalelectrical → light → chemicallight → electrical → chemicalchemical → electrical → light
- 4. Multiple ChoiceWhich of these is an example of light energy being transformed into chemical energy?A glow stick lights up when broken.Water heated by the sun evaporates.A plant makes sugar in the sunlight.A battery causes a buzzer to vibrate.
- 5. Multiple ChoiceWhich kind of energy change occurs when a candle is burning?Chemical to light.Light to electrical.Solar to heat.Chemical to electrical.
- 6. Multiple ChoiceWhen water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occurs?electrical → light → mechanicalchemical → mechanical → electricalmechanical → chemical → lightmechanical → electrical → light
- 7. Multiple ChoiceWhich of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?chemical → thermallight → chemicalthermal → lightchemical → electrical
- 8. Multiple ChoiceThe picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?thermal → solar → lightsolar → light → electricalmechanical → electrical → lightelectrical → mechanical → light
- 9. Multiple ChoiceWhat is the energy transformation?Electrical to ElectromagneticMechanical to ElectricalElectrical to ThermalKinetic to Sound
- 10. Multiple ChoiceA television works by transforming electrical energy into what other kinds of energy?Light, thermal, and soundThermal, chemical, and solarSound, mechanical, and electricalLight, chemical, and mechanical
- 11. Multiple ChoiceThe picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT —SolarLightThermalMechanical
- 12. Multiple Choice
Movement from a car can be transformed into all except which type of energy?
sound
chemical
light
solar
- 13. Multiple Choice
When you turn on a CD player, what energy transformation is taking place?
Kinetical → electrical → sound
Potential→ sound→ electrical
chemical→ light→ electrical
sound → thermal → light
- 14. Multiple Choice
Solar panels placed on the top of a roof use the sun's energy to heat water for a swimming pool.
potential → kinetic → thermal
solar → thermal → electromagnetic
light → electrical → thermal
chemical → electrical
- 15. Multiple Choice
Alarm clock begins to beep and the radio turns on. The display shows its 7:00am.
Chemical → electrical
electrical → sound & light
light→ sound & electrical
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