Worksheetsuntitled
Total questions: 40
Worksheet time: 29mins
What is the energy transformation that occurs in an electric pencil sharpener?
mechanical energy to electrical energy
electrical energy to mechanical energy
radiant energy to sound energy
chemical energy to mechanical energy
Which object shows an energy transformation from electrical to mechanical?
The roller coaster cart has the most kinetic energy at position-
W
X
Y
Z
Which items would have this energy transformation: mechanical energy -> sound energy?
turning on a flashlight
nuclear power plant
wind turbine turning
playing a violin
What type of energy transformation in an electric hot plate is plugged in?
electrical to light
mechanical to electrical to light
thermal to mechanical to light
electrical to thermal
The illustration shows a hand generator.
Turning the handle of the generator causes the bulb to light up. This device uses what type of energy to light the bulb?
Mechanical to electrical
Electrical to sound
Thermal to mechanical
Light to thermal
The picture shows a wind-up toy frog.
After winding, the toy frog flips over. This toy demonstrates what kind of energy?
Light
Thermal
Electrical
Mechanical
nuclear energy
electromagnetic energy
sound energy
chemical energy
Food chains and food webs are examples of energy transformations.
True
False
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. The electricity is used to light a home. Which shows the energy transformation?
electrical➡light➡mechanical
chemical➡mechanical➡electrical
mechanical➡chemical➡light
mechanical➡electrical➡light
What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?
mechanical energy to chemical energy
thermal energy to mechanical energy
chemical energy to mechanical energy
mechanical energy to thermal energy
What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?
thermal to electrical
mechanical to thermal
electrical to thermal
electrical to sound
What type of potential energy does a match have?
thermal energy
light energy
chemical energy
electrical energy
Which energy transformation is shown in this picture?
chemical -----> light
light -----> mechanical
mechanical -----> chemical
chemical -----> mechanical
This diagram is showing which of the following transformations?
light energy ----> thermal energy
thermal energy ----> light energy
light energy ----> chemical energy
chemical energy ----> light energy
What does your body convert into energy?
Skin
Hair
Nails
Food
What type of energy do plants use to make food?
Mechanical
Sound
Radiant
Thermal
What energy transformation occurs in the chameleon as it quickly launches its tongue to catch an insect?
Radiant → Chemical
Thermal → Chemical
Chemical → Mechanical
Mechanical → Chemical
What energy transformation occurs as as an elephant walks through the savanna?
Thermal → Chemical + Mechanical
Mechanical → Chemical + Thermal
Radiant → Chemical + Mechanical
Chemical → Mechanical + Thermal
What energy transformation occurs during photosynthesis?
Chemical → Radiant
Thermal → Chemical
Radiant → Chemical
Mechanical → Thermal
What energy transformation occurs as an electric eel shocks its prey?
Electrical → Mechanical
Thermal → Electrical
Chemical → Electrical
Radiant → Electrical
How much energy is available to be passed on to the next level in a food web?
100%
10%
50%
75%
Which type of energy is formed during the process of photosynthesis?
chemical
radiant
thermal
kinetic
What kind of energy is being shown in the picture?
Light
Gravitational
Potential
Kinetic
Which is the best example of kinetic energy?
A car sitting on top of a hill
A skateboard on the sidewalk
A wagon rolling down a hill
A powerwheel parked in the yard
What happens as the ball on the pendulum goes from center to the right in the diagram?
Kinetic energy increases while potential energy decreases
Potential energy increases as kinetic energy decreases
Potential energy increases as kinetic energy increases
Potential and Kinetic energy is lost
How does energy change?
The cart has more kinetic energy at the top than when it is going down the hill.
The cart has potential energy at the top while kinetic energy increases going down.
The cart has potential energy that is lost going down the hill.
The cart has kinetic energy at the top of the hill and no potential energy.
A toy car is traveling up a ramp. What happens to the energy as it goes up the ramp?
Kinetic energy increases while potential decreases.
Potential energy increases while kinetic decreases.
Both potential and kinetic energy increases.
Both potential and kinetic energy decreases.
Which position has the most potential energy?
1
2
3
4
Which position has the greatest amount of kinetic energy?
1
2
3
4
