Energy STAAR Review Question Preview (ID: 42115)
5 Forms Of Energy And Force.
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Which of the following cannot be a source of electrical energy?
a) hydroelectric
b) solar
c) battery
d) wood block
A force that attracts two objects towards each other is called
a) magnetism
b) friction
c) gravity
d) Newton
When a radio is turned on, electrical energy transforms into
a) sound energy
b) light energy
c) mechanical energy
d) thermal energy
What kind of energy causes ice to melt?
a) Mechanical
b) Electrical
c) Thermal
d) Sound
When a set of keys sinks to the bottom of a pool, this is because of which property?
a) solubility
b) conductivity
c) density
d) mass
What type of material would be the best insulator when trying to not burn your hand on a hot cup?
a) plastic wrap
b) clothe bag
c) cardboard
d) paper
Which of the following is not needed in a circuit for it to still function properly?
a) insulator
b) source of energy
c) copper wires
d) resistor
Which kind of energy occurs due to vibrations?
a) thermal
b) sound
c) electrical
d) mechanical
Which is not a good example of an insulator?
a) wood
b) paper
c) plastic
d) iron
Light energy _____ when it passes through a medium
a) Reflections
b) Bounces
c) Cements
d) Refracts
What kind of energy does walking use?
a) thermal
b) mechanical
c) sound
d) light
Which of the following does not refract light using a lens?
a) still pond
b) telescope
c) glasses
d) camera
When light reflects off a smooth and shiny surface it is considered to have _____.
a) bent
b) bounced
c) bouyancy
d) burned
What form of energy can come from a fire?
a) thermal and solar
b) electrical and mechanical
c) light and thermal
d) electrical and solar
When you see yourself in a mirror, it is because light is _______.
a) refracting
b) transmitting
c) absorbing
d) reflecting
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