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WorksheetsPhysical Science State Test Practice
Total questions: 20
Worksheet time: 13mins
At which point does the ball has the greatest gravitational potential energy (GPE)?
A
G
D
C
G
When does an object have no kinetic energy?
When it's at rest.
When it's moving very slowly.
When the only force that's acting on it is gravity.
When it has no electrical charge.
Which object has the most potential energy?
A ball resting on the ground.
A ball being thrown at 100 miles per hour.
A ball on top of a refrigerator.
A ball resting on the edge of a cliff.
units of force are
newtons
grams
joules
meters
What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?
Electromagnet
Generator
Magnet
Motor
The slowly churning liquid iron core of the Earth helps to explain why the Earth...
Has an electrical field
Has gravity
Has a magnetic field
Rotates on its axis
The area of magnetic force around a magnet is known as its _____________.
magnetic field
magnetic declination
magnetic fan lines
magnetic tan lines
A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.
calculator
ruler
compass
map
An electromagnet is...
Metal that becomes a permanent magnet with electricity
Metal that becomes a temporary magnet with electricity
