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- 1. Multiple ChoiceIf two objects have different temperatures, heat will flow from the cooler object to the warmer one.TrueFalse
- 2. Multiple ChoiceHeat transfer by conduction occurs when...particles bump into each otherlarge numbers of atoms move from place to placeatoms give off heat in the form of electromagnetic waveselectromagnetic waves travel from place to place through a vacuum
- 3. Multiple ChoiceList the correct order of conduction.
1. They collide more vigorously with neighbouring particles
2. Particles at the heated end gain kinetic energy and vibrate vigorously.
3. Particles at cooler end vibrate vigorously.1, 2, 33, 2, 12, 1, 31, 3, 2 - 4. Multiple ChoiceWhich material is the best conductor of heat?WoodPlasticGlassSteel
- 5. Multiple ChoiceWhy do metals conduct thermal energy more quickly?Particles vibrate fasterDue to the presence of bound electronsDue to the presence of free electronsMetals are grey
- 6. Multiple ChoiceWhy are gases poor conductors of electricity?Particles are close together and collisions are more frequentParticles are far apart and collisions are less frequentParticles are close together and collisions are less frequentParticles are far apart and collisions are more frequent
- 7. Multiple ChoiceWhich phase is the best conductor of heat?SolidLiquidGas
- 8. Multiple ChoiceWhich of the following is an application of conduction?Thermal energy from the Sun to EarthPots having metals bodies and plastic handlesVacuum flasks having silver bodiesAir conditioners cooling down a room
- 9. Multiple Choice
Click the statement that is true.
Thermal energy transfers from the cooler object to the warmer object.
Thermal energy transfers from the warmer object to the cooler object.
Thermal energy does not transfer at all.
- 10. Multiple Choice
What is an example of a good insulator?
wood
copper wiring
stones
concrete floor tiles
- 11. Multiple Choice
......is a bad conductor of heat
copper
iron
plastic
Aluminium
- Answer choicesTagsAnswer choicesTags