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WorksheetsMELTS TEST REVIEW
Total questions: 48
Worksheet time: 1hrs 1mins
energy of movement (motion)
light
sound
electrical
mechanical
energy produced by the flow of electrons (electricity)
sound
energy
electrical
thermal
energy used to see and that solar panels transform and plants use in photosynthesis
light
thermal
sound
electrical
energy of heat
light
sound
thermal
electrical
energy that travels in waves/vibrations
light
energy
sound
thermal
the bouncing back of light waves when it hits a medium through which it cannot pass.
refraction
reflection
absorption
medium
bending or breaking of light as it passes from one medium to another (from air to water)
refraction
absoption
reflection
lens
Electrical Energy is transformed to _____ Energy.
solar
thermal
light
chemical
Solar Energy is transformed to _____ Energy.
mechanical
sound
solar
electrical
Electrical Energy is transformed to _____ Energy.
Mechanical
Electrical
Thermal
Light
This shows energy changing from
_______ to _______.
Sound to wind
Thermal to heat
Mechanical to Electrical
Electrical to Mechanical
This blender shows energy transforming
FROM ELECTRICAL
to
_______ and ______ energy.
Light and Mechanical
Mechanical and Sound
Sound and Light
Mechanical and Electrical
Smooth
Rough
What happens to light in a prism
The light is refracted.
The light is reflected
The light is absorbed
The light does not change at all.
The bouncing of light off an object
basketball
refraction
reflection
echo
What happens to light passing through a hand lens that makes the image of the penny appear larger? The light is-
Observe the image. After reflecting off of the mirror, which object will the light
coming from the laser most likely strike next?
marble
apple
laser
rock
The arrows in the diagrams below represent light. Which diagram best shows how a
glass mirror would reflect light?
A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?
Light bulb 1 and light bulb 2 will both be on
Light bulb 1 will be off, but light bulb 2 will be on
Light bulb 1 and light bulb 2 will both be off
Light bulb 1 will be on, but light bulb 2 will be off
The diagram shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut a the point shown by the arrow?
0
1
2
3
A group of students built the circuit shown above. The lightbulb does not glow. Which statement explains this observation?
The battery is not charged
The lightbulb is not part of a complete circuit
The circuit does not have a switch
The bell uses most of the energy from the battery
Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open?
Only the white bulb will operate
None of the bulbs will operate
Only the white and yellow bulbs will operate
Only the red and blue bulbs will operate
The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wire as shown, which of the bells will ring?
Bell 1 only
Bells 1 and 4 only
Bells 3 and 4 only
Bells 1, 2, 3, and 4
An iron converts electricity into ____ to get wrinkles out of clothes.
sound
movement
heat
light
What is the transfer of energy at a wind farm?
electricity to motion
motion to electricity
sound to electricity
motion to heat
Some students observing a classroom device being used noticed the below energy transformations. Which device were the students most likely observing?
Electrical --> Mechanical --> Sound
A triple beam balance measuring an object’s mass
A pencil sharpener plugged into a wall outlet
A projector displaying a diagram on the screen
A working flashlight used to light up a dark corner
Which object shows an energy transformation from electrical to mechanical?
