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- 1. Multiple ChoiceConductors are materials that...Allow heat to pass throughStop heat from passing throughAllow cold to pass throughStop cold from passing through
- 2. Multiple Choice
A material that prevents heat or an electric current from flowing
Conductor
Insulator
Magnetism
Electric Circuit
- 3. Multiple ChoiceWhat is the BEST example of a conductor?A wooden blockA ceramic mugA glass cupA metal bowl
- 4. Multiple ChoiceWhich is NOT an insulator.WoolPlasticIronGlass
- 5. Multiple ChoiceWhich of these objects is an insulator?Copper WirePaper ClipSteel PoleRubber Gloves
- 6. Multiple ChoiceWhich one is a conductor?woodironplastic spoonpaper
- 7. Multiple Choice
What would best complete this circuit?
A wire
A switch
A battery
A light bulb
- 8. Multiple ChoiceWhich of the following materials is an electrical insulator?aluminumgoldrubbersteel
- 9. Multiple ChoiceAll of the following are conductors except _______.metal spoonwireiron nailplastic spoon
- 10. Multiple ChoiceHeat always travels from ______________ to ____________ objects.hot to coldcold to hotcold to coldhot to hot
- 11. Multiple ChoiceWhat is NOT an example of an insulator in the kitchen?an oven mittpots and panswooden spoonsa plastic measuring cup
- 12. Multiple ChoiceWhat is a insulator?a material that slows the transfer of heata material that transfers heat easilya material that is fluffya material that is temperature controlled
- 13. Multiple ChoiceWhy is electrical wiring usually made from copper?Because copper is shinyBecause copper conducts electricityBecause copper is not magnetic
- 14. Multiple Choice
This girl is wearing pink wool earmuffs to keep her ears warm in the snowy weather. Differentiate between conductors and insulators. How does the wool affect heat transfer? (wool is a type of fabric)
The wool is a conductor that transfers heat from her ears to the wool earmuffs.
The wool is an insulator that provides heat to keep the girl's ears warm.
The wool is a conductor that transfers heat from the girl's earmuffs to her ears.
The wool is an insulator that keep the girl's ears from loosing heat.
- 15. Multiple Choice
The electrical wires in many homes are made of copper and covered with plastic. Why are copper and plastic good choices for electrical wires?
Copper is a conductor of electricity, and plastic is an insulator of electricity.
Copper is an insulator of electricity, and plastic is a conductor of electricity.
Copper is a conductor of electricity, and plastic is an insulator of heat.
Copper is an insulator of electricity, and plastic is a conductor of heat.
- 16. Multiple Choice
Which of these is a conductor?
- 17. Multiple Choice
The following are conductors EXCEPT-
- 18. Multiple Choice
Which is TRUE about an insulator?
It can be a good conductor.
It allows heat to pass through easily.
It slows energy transfer.
It provides heat to keep materials warm.
- 19. Multiple Choice
A student is having a problem getting a light bulb to light up in an electrical circuit. They notice there is a gap in the wiring but there is not enough wire to complete the circuit. What could the student do to fix the problem?
put a rubber handle in the gap
use a piece of of nylon rope to attached the wires together
change the battery or the light bulb
attach a paperclip to the wires in between the gap
- 20. Multiple Choice
Which of the following is a group of items that can be used to conduct electricity?
paper clip, nail and penny
paperclip, nail and cardboard
rubber-band, eraser, and cotton ball
rubbe- band, paperclip and nail
- Answer choicesTagsAnswer choicesTags