Curriculum
Course: HIA International — Grade 8
time left:
:
:
Login

Curriculum

HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

0/22

Unit 2: Properties of materials

0/50

Unit 3: Forces and energy

0/50

Unit 4: Maintaining life

0/34

Unit 5: Reactivity

0/41

Unit 6: Sound and space

0/40

Unit 7: Genes and inheritance

0/30

Unit 8: Rates of reaction

0/34

Unit 9: Electricity

0/36
Quiz

Conductors and insulators – Quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit

Conductors and insulators HIA Science quiz set 2: free practice for HIA International. Work through this Conductors and insulators HIA Science quiz set 2 and get instant feedback on every answer. If you get stuck, review the 27.4 Conductors and insulators – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
Which statement correctly describes semiconductor?
a charged particle that carries current in a solution
the plastic covering on a wire that protects the user
a material such as silicon whose conductivity is between the two
a material with no free electrons, so current cannot pass
2.
Which statement correctly describes ion?
a charged particle that carries current in a solution
a solution that conducts electricity because it contains moving ions
a material with no free electrons, so current cannot pass
a material such as silicon whose conductivity is between the two
3.
Which statement correctly describes insulating sheath?
a solution that conducts electricity because it contains moving ions
a material with no free electrons, so current cannot pass
a material with free electrons that let current pass
the plastic covering on a wire that protects the user
4.
Which statement correctly describes conductor?
a material with no free electrons, so current cannot pass
the plastic covering on a wire that protects the user
a material with free electrons that let current pass
a solution that conducts electricity because it contains moving ions
5.
Use the table. Which material would be best for the pins of a plug?
Wood
Plastic
Brass
Rubber
6.
Which statement correctly describes insulator?
a solution that conducts electricity because it contains moving ions
a material with no free electrons, so current cannot pass
a charged particle that carries current in a solution
a material such as silicon whose conductivity is between the two
7.
Which statement correctly describes electrolyte?
a material with no free electrons, so current cannot pass
a charged particle that carries current in a solution
a solution that conducts electricity because it contains moving ions
the plastic covering on a wire that protects the user
8.
Which statement correctly describes resistance of a material?
a material with no free electrons, so current cannot pass
how strongly a material opposes current
a material such as silicon whose conductivity is between the two
a solution that conducts electricity because it contains moving ions
9.
Match the term to its correct meaning: insulator
a charged particle that carries current in a solution
a material with no free electrons, so current cannot pass
the plastic covering on a wire that protects the user
a material with free electrons that let current pass
10.
Which term is described as: a material with free electrons that let current pass?
conductor
insulator
semiconductor
electrolyte
11.
Match the term to its correct meaning: ion
a material with free electrons that let current pass
the plastic covering on a wire that protects the user
a material with no free electrons, so current cannot pass
a charged particle that carries current in a solution
12.
Match the term to its correct meaning: insulating sheath
a solution that conducts electricity because it contains moving ions
a material with free electrons that let current pass
the plastic covering on a wire that protects the user
a material such as silicon whose conductivity is between the two
13.
Which term is described as: a solution that conducts electricity because it contains moving ions?
semiconductor
electrolyte
resistance of a material
conductor
14.
Match the term to its correct meaning: resistance of a material
a solution that conducts electricity because it contains moving ions
the plastic covering on a wire that protects the user
a material with free electrons that let current pass
how strongly a material opposes current
15.
Match the term to its correct meaning: semiconductor
a material with free electrons that let current pass
a material such as silicon whose conductivity is between the two
how strongly a material opposes current
a solution that conducts electricity because it contains moving ions
16.
Match the term to its correct meaning: conductor
a material with free electrons that let current pass
a charged particle that carries current in a solution
how strongly a material opposes current
a material with no free electrons, so current cannot pass
17.
Which term is described as: a material that allows current to flow?
insulator
allow current to flow
conductor
electrons
18.
Which term is described as: a material such as silicon whose conductivity is between the two?
semiconductor
insulator
resistance of a material
conductor
19.
Which term is described as: a material with no free electrons, so current cannot pass?
insulator
ion
electrolyte
conductor
20.
Which term is described as: a charged particle that carries current in a solution?
electrolyte
resistance of a material
ion
insulating sheath
21.
Which term is described as: the plastic covering on a wire that protects the user?
insulator
insulating sheath
resistance of a material
semiconductor
22.
Which term is described as: a material that inhibits current?
conductor
allow current to flow
insulator
electrons
23.
Which term is described as: how strongly a material opposes current?
semiconductor
conductor
resistance of a material
electrolyte
24.
A solution conducting through moving ions is an _____.
insulator
element
alloy
electrolyte
25.
_____ is a better conductor than copper but too expensive for wiring.
Tin
Iron
Silver
Lead
26.
_____ conducts electricity although it is a non-metal.
Sulfur
Glass
Plastic
Graphite
27.
A charged particle carrying current in solution is an _____.
isotope
atom
ion
electron
28.
A material between a conductor and an insulator is a _____.
superconductor
resistor
semiconductor
electrolyte
29.
Conductors contain free _____ that can move.
neutrons
nuclei
protons
electrons
30.
Electricity is dangerous near water because impure water conducts. - True or false?
True
False
31.
Salty water cannot conduct electricity at all. - True or false?
True
False
32.
Graphite conducts electricity although it is a non-metal. - True or false?
True
False
33.
Insulators have no free electrons, so current cannot pass. - True or false?
True
False
34.
Pure water is one of the best conductors known. - True or false?
True
False
35.
Semiconductors are used in electronic components such as diodes. - True or false?
True
False
36.
Silicon is a semiconductor. - True or false?
True
False
37.
A solution that conducts because it contains moving ions is an electrolyte. - True or false?
True
False
38.
The plastic sheath on a wire is a conductor that carries the current. - True or false?
True
False
39.
Electricity is safe near water because all water is an insulator. - True or false?
True
False
40.
An electrolyte conducts because it contains free protons. - True or false?
True
False
41.
Conductors contain free electrons that can move. - True or false?
True
False
42.
Silver is a better conductor than copper but is too expensive for normal wiring. - True or false?
True
False
43.
Insulators have more free electrons than metals. - True or false?
True
False
44.
Conductors contain no electrons at all. - True or false?
True
False
45.
Salty water conducts electricity because it contains ions. - True or false?
True
False
46.
Silicon is one of the best electrical conductors known. - True or false?
True
False
47.
Semiconductors have no use in electronics. - True or false?
True
False
48.
Pure water is a very poor conductor. - True or false?
True
False
49.
Silver is a worse conductor than copper, which is why copper is used. - True or false?
True
False
50.
Graphite is an insulator because it is a non-metal. - True or false?
True
False
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Unit 9: Electricity — see every lesson and quiz in this unit.
Accepted payment methods