768634
Descripción
Test por Hollieee01, actualizado hace más de 1 año
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Creado por Hollieee01
hace más de 10 años
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Pregunta 1
Pregunta
What is the definition of an atom?
Respuesta
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A basic partical from which all matter is made up
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Fast moving particles which emit radioactive substances
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A substance from which chromosomes are made
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A positively or negatively charged particle formed when an atom or group of atoms lose or gain electrons
Pregunta 2
Pregunta
Which two particles are found in the nucleus of any atom?
Respuesta
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Proton
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Neutron
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Electron
Pregunta 3
Pregunta
The mass of an electron is about one two-thousandth of the mass of a proton or a neutron
Respuesta
- True
- False
Pregunta 4
Pregunta
What are electrical conductors?
Respuesta
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Materials that allow electricity to flow through them easily
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Materials that do not allow electricity to flow through them
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Materials that do not make a difference to a circuit
Pregunta 5
Pregunta
What is an example of a good electrical conductor?
Respuesta
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Metal
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Plastic
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Wood
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Cotton
Pregunta 6
Pregunta
A good example of an insulator is plastic
Respuesta
- True
- False
Pregunta 7
Pregunta
An insulator cannot become electrically charged
Respuesta
- True
- False
Pregunta 8
Pregunta
What has to happen for static electricity to be produced?
Respuesta
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Electrons transfer from one non-electrically charged material to another non-electrically charged material
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Protons are removed from the nucleus of a material
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Neutrons are added to the outer electron ring of a material
Pregunta 9
Pregunta
When static electricity is being made, what kind of charge does the material receiving electrons now have?
Respuesta
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Positive charge
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Negative charge
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No charge
Pregunta 10
Pregunta
If you rubbed a Perspex rod with a cloth, it loses electrons. What charge does it become?
Respuesta
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Positively charged
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Negatively charged
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No charge
Pregunta 11
Pregunta
What kind of materials repel each other?
Respuesta
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Two uncharged materials
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Two materials with the same type of charge
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Two materials with a different type of charge
Pregunta 12
Pregunta
What kind of materials repel each other?
Respuesta
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Two uncharged materials
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Two materials with the same type of charge
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Two materials with a different type of charge
Pregunta 13
Pregunta
What would be the difference in attraction with these two examples? If a charged ebonite rod was placed next to a charged Perspex rod and if a charged Perspex rod was placed next to another charged Perspex rod
Respuesta
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The charged ebonite rod and the charged Perspex rod would attract and the two charged Perspex rods would repel
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The charged ebonite rod and the charged Perspex rod would repel and the two charged Perspex rods would attract
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Both of the examples would repel each other
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Both examples would attract each other
Pregunta 14
Pregunta
Which of the following all involve the movement of electrons?
Respuesta
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Lightning
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Charges on synthetic fabrics
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Shocks from a car door
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A charged balloon brought near to a wall
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Fuelling an aircraft
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A laser printer
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