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Energy Transformations Flashcards | StudBud
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Energy Transformations
Energy Transformations
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Answers
1
The energy of movement is -
thermal energy
solar energy
mechanical energy
sound energy
2
If a battery powers a circuit to turn a light bulb on. What type of energy is the battery?
Mechanical
Electrical
Chemical
Light
3
a hand cranked flashlight represents
chemical > light
light > mechanical
chemical > mechanical
mechanical > light
4
When a lamp is plugged into a wall socket and works it represents -
electrical > light
electrical > chemical
chemical > electrical
chemical > light
5
Electrical energy is -
due to the movement of electrons
none of these
present in vibrations of air
originated by electromagnetic waves
6
What type of energy do you observe while watching TV?
electrical only
sound and chemical
mechanical and electrical
light, thermal, and sound
7
When solar panels collect energy and power lights in a home it is the transfer of
chemical > thermal > light
light > chemical > light
light > electrical > light
thermal > chemical > light
8
When using a hair dryer, all these forms of energy are present,
except
-
solar
electrical
sound
thermal
9
Can a light bulb that is on and bright represent two types of energy?
Yes
No
10
Plants and algae use the photosynthesis to transform light or solar energy into -
electrical energy
chemical energy
sound energy
mechanical energy
11
Which shows light energy transforming into chemical energy?
a broken glow stick
a plant making its own food in the sunlight.
a lamp warming up food
a battery turning on a fan
12
The energy stored in bonds between atoms is -
solar energy
chemical energy
mechanical energy
electrical energy
13
To complete a circuit, electrons must make a complete path.
True
False
14
Chemical energy is -
energy found in the vibrations of air
the energy of electromagnetic waves
the energy of electric currents
energy stored in bonds between atoms
15
Food chains and food webs are examples of energy transformation
True
False
16
When plants use the sun to produce their own food it is the transfer of
chemical to thermal
thermal to chemical
light to chemical
chemical to light
17
If a flashlight runs on batteries the transformation of energy is -
light > electrical > chemical
electrical > light > chemical
chemical > light > electrical
chemical > electrical > light
18
What energy is shown when animals migrate to a new home?
electrical energy
chemical energy
light energy
mechanical energy
19
Plants and batteries both store
electrical energy
chemical energy
mechanical energy
solar energy
20
Which shows chemical to electrical to light energy?
a battery makes a flashlight shine
a candle glows in the dark
a lamp gives off light so you can do homework
a match lights up a dark cave
21
Energy is neither created nor destroyed, it transforms from one form to another.
True
False
22
Which energy transformation occurs when a flashlight shines?
chemical > electrical > chemical
light > electrical > chemical
chemical > electrical > light
thermal > mechanical > electrical
23
The total energy in our universe -
changes and expands over time
can run out
only change forms once
will not change, but can transform to other types
24
A smoke detector in a house uses what form of energy?
chemical
light
solar
thermal
25
Explain the energy transformation that occurs in a river dam.
electrical > mechanical > light
mechanical > chemical > light
mechanical > electrical > light
potential > kinetic > chemical
26
A hand cranked pencil sharpener represents -
chemical > sound
mechanical > sound
sound > electrical
mechanical > chemical
27
Which is an example of an electrical to mechanical to sound transformation
a pencil sharpener plugged into an outlet
a deer eating grass
a digital bathroom scale
28
Thermal energy is described as -
air vibrations moving
the transfer of heat
electrons moving in a circuit
energy can't be created or destroyed
29
A light that is plugged in a wall and appears to be on is using what type of energy?
thermal
electrical
sound
light
30
Which represents the energy transformation of chemical to light?
eating food before a race
a burning candle
an electric toaster
a lamp plugged into a socket
31
If a boy eats a meal and then runs a mile. What transfer of energy took place?
chemical > electrical
solar > chemical
chemical > mechanical
mechanical > electrical
32
Which device converts electrical energy into sound energy?
drum
toaster
radio
flashlight
