Skip to Content
10 questions
Show Answers
See Preview
- 1. Multiple-choice30 seconds1 pt3. If the atoms of an object are moving or vibrating fast, the temperature would be...HotColdUnknown
- 2. Multiple-choice30 seconds1 pt4. If the atoms of an object are moving or vibrating slow, the object would feel...ColdHotUnknown
- 3. Multiple-choice20 seconds1 ptWhat 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-choice20 seconds1 ptWhat 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-choice1 minute1 ptMany objects, such as train tracks and road joints, are specifically designed to allow extra space for ...thermal energyspecific heatthermal expansionconductors
- 6. Multiple-choice10 seconds1 ptA 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-choice20 seconds1 pt
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-choice30 seconds1 ptObjects gain heat and _________.expandcontract
- 9. Multiple-choice30 seconds1 ptThe 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-choice20 seconds1 ptWhen objects contract upon cooling...volume increases and density increases.volume increases and density decreases.volume decreases and density decreases.volume decreases and density increases.
