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Eighth Grade (Grade 8) Magnetism and Electricity Questions

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Grade 8 Magnetism and Electricity
The energy of electrically charged particles moving from one place to another is
  1. chemical energy
  2. electromagnetic energy
  3. electrical energy
  4. thermal energy
Grade 8 Magnetism and Electricity
The energy stored in the chemical bonds between atoms is
  1. electrical energy
  2. chemical energy
  3. electromagnetic energy
  4. kinetic energy
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
A permanent magnet is a magnet made from a material that:
  1. keeps its magnetism for a long time.
  2. cannot be destroyed by heat.
  3. easily loses its magnetism.
  4. began as molten rock on the ocean floor.
Grade 8 Magnetism and Electricity
The diagram below shows the magnetic field lines for a bar magnet. Which statement below best describes the strength of the magnetic field for the bar magnet?
Magnetic Lines Of Forces
  1. the magnetic field is strongest at north pole of the magnet
  2. the magnetic field is strongest at the south pole of the magnet
  3. the magnetic field is strongest at both the north and south poles
  4. the magnetic field is strongest in the region between the north and south poles
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
The Earth's magnetic field has a                     
  1. east and west pole
  2. north and south pole
  3. never changing field
  4. none of the above
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
Which statement is true about the symbol below when used in a circuit drawing?
Switch Closed
  1. the switch is open and electricity can flow through the circuit
  2. the switch is open and electricity cannot flow through the circuit
  3. the switch is closed and electricity can flow through the circuit
  4. the switch is closed and electricity cann0t flow through the circuit
Grade 8 Magnetism and Electricity
Grade 8 Magnetism and Electricity
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