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- 1. Multiple ChoiceWhat is the difference between a conductor and an insulator?An insulator allows electricity to flow through it easily and a conductor does notA conductor allows electricity to flow through it easily and an insulator does not.An insulator is magnetic and a conductor is notA conductor is magnetic and an insulator is not
- 2. Multiple Choice
All of the following are conductors except _______.metal spoonwireiron nailplastic spoon - 3. Multiple ChoiceAn object that doesn't conduct heat well is known as:a conductoran insulator
- 4. Multiple ChoiceWhat object would best complete this circuit?A batterya peice of yarnan insulatora conductor
- 5. Multiple ChoiceThe plastic covering is there to:Provide a conductor for electrical energy to flow.Provide an insulator so that electrical energy will not pass outside of the wires.Provide a conductor so that electrical energy can NOT flow.Provide an insulator so that electrical energy can flow.
- 6. Multiple ChoiceOlivia wanted to complete her circuit with a conductor. What object is her best option?Wood stickGlass beadAluminum foilStyrofoam
- 7. Multiple ChoiceYou know that the object connected to the wires is a conductor because:The light bulb is glowing bright.It's a complete circuit.It's a closed circuit.The object is shiny.
- 8. Multiple ChoiceTatrys knows that the light bulb will turn on because the circuit:includes an insulator.is an open circuit.makes a complete path.includes a battery.
- 9. Multiple ChoiceThe handle of a frying pan is often coated in rubber because rubber provides...Heat insulationHeat conductionA low melting pointA nonstick surface
- 10. Multiple ChoiceWhich of the following is NOT an insulator?WoolPlasticCopperStyrofoam
- 11. Multiple ChoiceWhat is NOT an example of an insulator in the kitchen?An oven mittPots and pansA wooden spoonA plastic measuring cup
- 12. Multiple Choice
Conductors are materials that...
Allow heat or electricity to pass through
Stop heat or electricity from passing through
Allow cold to pass through
Stop cold from passing through
- 13. Multiple ChoiceWhat is the BEST example of a conductor?A wooden blockA ceramic mugA glass cupA metal bowl
- 14. Multiple Choice
A material that allows heat or an electric current to flow through easily
Conductor
Insulator
Magnetism
Electric Circuit
- 15. Multiple Choice
Why is electrical wiring usually covered with a layer of plastic?
To help electricity flow along the wire
To make it look pretty
To avoid electrocution
To reduce the amount of electricity that flow in the circuit
- 16. Multiple Choice
A material that prevents heat or an electric current from flowing
Conductor
Insulator
Magnetism
Electric Circuit
- 17. Multiple Choice
The flow of electricity through a circuit
Closed Circuit
Open Circuit
Electric Current
Magnetic
- 18. Multiple ChoiceWhich of these objects is an insulator?Copper WirePaper ClipSteel PoleRubber Gloves
- 19. Multiple Choice
The above diagram shows an investigation to study a property of materials. After heating the rod at end A, the drawing pin at end B of the metal rod drops earlier than the glass rod. What conclusion can be drawn from this investigation?
All materials conduct heat equally well.
The metal rod can conduct electricity.
The metal rod is a better conductor of heat than a glass rod.
The metal rod is a better insulator of heat.
- 20. Multiple Choice
Substance X is a non-metal but it can conduct electricity. Substance X is ________________.
plastic
wood
carbon
glass
- 21. Multiple Choice
The above diagram shows a pan that has a plastic handle. Why are metal and plastic used for making this pan?
A
B
C
D
- 22. Multiple ChoiceTrue or False: An insulator is a type of material that allows heat to escape from an object quickly.TrueFalse
- 23. Multiple ChoiceWhat is the BEST example of a conductor?A plastic spatulaAn aluminum pie plateA styrofoam cupA copper pan
- 24. Multiple ChoiceWhich is NOT an insulator.WoolPlasticIronGlass
- 25. Multiple ChoiceHeat always travels from ______________ to ____________ objects.hot to coldcold to hotcold to coldhot to hot
- 26. Multiple Choice
What is a conductor?
Material that does NOT transfer energy.
Materials that are connected to circuits.
Materials that transfer energy.
Materials that
- 27. Multiple ChoiceClaire wants to complete her circuit with a conductor. What object is her best option?rubbera pennycard boardplastic spoon
- 28. Multiple ChoiceWater is a insulator.TrueFalse
- 29. Multiple ChoiceWhat is the difference between a conductor and an insulator?An insulator allows electricity to flow through it easily and a conductor does notA conductor allows electricity to flow through it easily and an insulator does not.An insulator is magnetic and a conductor is notA conductor is magnetic and an insulator is not
- 30. Multiple Choice
Which of the following is a good conductor of heat and electricity?
newspaper
copper wire
glass plate
plastic bottle
- 31. 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.
- 32. Multiple Choice
An insulator does not allow electricity to pass through it easily. Which of the following would make a good insulator?
copper penny
iron nail
metal doorknob
rubber glove
- 33. Multiple ChoiceStyrofoam is an example of _____.a conductoran insulator
- 34. Multiple Choice
Mittens help keep your hands warm in winter because
they are colorful
they are fuzzy
they are conductors
they are insulators
- 35. Multiple Choice
Which is NOT a conductor
- 36. Multiple Choice
Which is NOT an insulator
- 37. Multiple Choice
Choose all the items that are insulators.
rubber band
nail
piece of wood
cotton
- 38. Multiple Choice
What are some examples of insulators?
silver, iron, cooper
metal spoon, penny, aluminum
rubber, glass, wood
gold, wire, nails
- 39. Multiple ChoiceWhich best explains why a hot air balloon rises into the air?As the air is cooled, it becomes more dense and the balloon rises.As the air is cooled, it becomes less dense and the balloon rises.As the air is heated, it becomes less dense and the balloon rises.As the air is heated, it becomes more dense and the balloon rises.
- 40. Multiple Choice
Some cooking spatulas are made out of plastic. Why are cooking spatulas often made out of plastic?
Because plastic is a good conductor of electricity, and this makes it safe to use while cooking.
Because plastic catches fire very easily when it is used for cooking.
Because plastic is a good conductor of heat, and this keeps the handle from getting too hot to touch while cooking.
Because plastic is a poor conductor of heat, and this keeps the handle from getting too hot to touch while cooking.
- 41. Multiple ChoiceWood, straw, and wool are materials that are good __________________.insulatorsconductorsreflectorsgenerators
- 42. Multiple Choice
Four different materials at the same temperature were placed onto a hot stove. The information presented in the illustration shows the temperature of each material after ten minutes.
The results support the conclusion that which of the following materials conducts heat best?
Brick
Concrete
Glass
Aluminum
- 43. Multiple Choice
The above diagram shows a simple circuit. The metal spoon that is connected to the circuit is replaced with a plastic spoon. What is the aim of this investigation?
To determine which object can conduct electricity
To determine which object can conduct heat
To determine which object can float
To determine which object can allow light to pass through
- 44. Multiple Choice
The above diagram shows a kettle. Which of the following correctly states the properties of the materials for making part X and Y?
A
B
C
D
- 45. Fill in the Blank
State whether the objects are "conductor" or "insulator". (answer should be given in small letters)
- wooden desk
- 46. Fill in the Blank
State whether the objects are "conductor" or "insulator". (answer should be given in small letters)
paper clip
- 47. Fill in the Blank
State whether the objects are "conductor" or "insulator". (answer should be given in small letters)
pencil lead
- 48. Fill in the Blank
State whether the objects are "conductor" or "insulator". (answer should be given in small letters)
glass plate
- 49. Fill in the Blank
State whether the objects are "conductor" or "insulator". (answer should be given in small letters)
mercury
- 50. Fill in the Blank
State whether the objects are "conductor" or "insulator". (answer should be given in small letters)
silver necklace
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