Electric currents create magnetic fields by:

Science Worksheet: Magnetism, Forces, and Energy

Quiz
•
Other
•
8th Grade
•
Easy
Rebekah Satcher
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Moving through a conductor and generating a magnetic field around it.
Heating up the conductor.
Breaking the conductor into pieces.
Slowing down the flow of electrons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Earth's magnetic field protects the planet by:
Blocking harmful solar radiation
Increasing the Earth's temperature
Causing earthquakes
Absorbing all sunlight
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Magnetic forces can be utilized in electric motors to:
Generate heat for the motor
Create motion by turning a coil within a magnetic field
Store electrical energy
Reduce friction between moving parts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Waves are used in communication technology to:
Transmit information over distances
Store data permanently
Generate electrical power
Control mechanical devices
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between force, mass, and acceleration?
Force equals mass times acceleration.
Force equals mass divided by acceleration.
Force equals acceleration divided by mass.
Force equals mass plus acceleration.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The chemical properties of materials relate to their atomic structure in which of the following ways?
They are determined by the arrangement and type of atoms.
They are unrelated to atomic structure.
They depend only on the mass of the atoms.
They are determined by external temperature only.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The environmental impact of energy production methods includes:
Reduction in greenhouse gas emissions
Increase in biodiversity
Air and water pollution
Complete elimination of waste
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