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WorksheetsHow can energy change
Total questions: 20
Worksheet time: 10mins
Energy can be lost
true
false
Energy can change form or transform
true
false
Energy cannot be made or destroyed
true
false
transforms energy of motion into electrical energy
transforms electrical energy into kinetic energy
transforms sound energy into electrical energy
transforms electrical energy into thermal energy
transforms light energy into electrical energy
transforms electrical energy into sound energy
transforms energy of motion into sound energy
is a thin, coiled wire that can get very hot without melting
Filament
Fluorescent
Heat, light and sound are examples of _________.
energy
position
distance
energy of motion
What two kinds of energy are the lamps transferring to the food?
light and heat
light and sound
electrical and motion
sound and heat
Ms. Kerlek holds a warm cup of coffee by wrapping her hands around the mug. Which form of energy causes the warmth she feels on her hands?
thermal
light
electrical
mechanical
A lightbulb is attached to a battery by a wire. It lights up as a result of what form of energy provided by the battery?
thermal
light
electrical
mechanical
What is energy transformation?
Change in energy from one form to another
Transformation of energy from one place to the other
Change of energy from object to object
Energy can be created
Yes, with enough solar power
No
Yes
Energy can neither be created nor destroyed, it can only be
Transformed from one to another
Transferred
Changed into solar energy
Transformed into kinetic energy
.........................light bulbs don’t use a filament.
Fluorescent
Incandescent
.........................produce less heat and use less electricity.
Fluorescent
Incandescent
...................is a force that acts when two surfaces rub together
Friction
Speed
Televisions, computers and light bulbs are ............................ that use energy in the circuit.
ARE
resistors
energy sources
The hair dryer has many ............................ that get hot and glow.
coils
strings
When electrical current passes through a resistor it gives off heat
true
false
