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- 1. Multiple Choice3. If the atoms of an object are moving or vibrating fast, the temperature would be...HotColdUnknown
- 2. Multiple Choice4. If the atoms of an object are moving or vibrating slow, the object would feel...ColdHotUnknown
- 3. Multiple ChoiceWhat is Thermal ContractionA PotatoA decrease in a materials volume when its temperature decreasesThe movement of fluids in a cycle because of convectionA material through which thermal energy does not flow easily.
- 4. Multiple ChoiceWhat is Thermal expansion?The transfer of thermal energy between materials by the collisions of particlesIs a decrease in a materials volume when temperature decreasesAn increase in a materials volume when temperature increasesChicken fried rice
- 5. Multiple ChoiceMany objects, such as train tracks and road joints, are specifically designed to allow extra space for ...thermal energyspecific heatthermal expansionconductors
- 6. Multiple ChoiceA bimetallic strip is made up of _____________________ welded together.two metals of the same kindtwo different metals that expand and contract unequallytwo different metals that expand and contract equally
- 7. Multiple Choice
The picture shows a bimetallic strip in a fire alarm. When there is a fire outbreak, the bimetallic strip will get hot, ....bend downwards, complete the circuit and the alarm rings.bend upwards, open the circuit and the alarm will not ring.becomes longer, open the circuit and the alarm will not ring. - 8. Multiple ChoiceObjects gain heat and _________.expandcontract
- 9. Multiple ChoiceThe liquid in the thermometer rises when it is placed in the hot water because ___________.it gains heat from the hot water and expands.loses heat from the hot water and contracts.the surrounding air is too warm.the liquid is boiling.
- 10. Multiple ChoiceWhen objects contract upon cooling...volume increases and density increases.volume increases and density decreases.volume decreases and density decreases.volume decreases and density increases.
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