WorksheetsENERGY!!! EXAM
Total questions: 50
Worksheet time: 30mins
What kind of energy is in a rock at the edge of a cliff?
Gravitational
Nuclear
Radiant
Stored Mechanical
What kind of energy is in a moving skateboard?
Potential
Kinetic
What kind of energy is in a stretched rubber band?
Stored Mechanical
Chemical
Nuclear
Gravitational
At which point is potential energy greatest?
W
X
Y
Z
Energy can be _____________ or changed from one type to another.
destroyed
transformed
created
ignored
If Paige is at the top of the hill waiting for the whistle to blow for her turn to ski, she has ____________, after the whistle blows and she starts her ski run, she has ___________ .
kinetic energy; potential energy
potential energy; friction
kinetic energy; gravity
potential energy; kinetic energy
What would have the greatest kinetic energy?
A car driving down a hill.
A person sitting in a chair.
A ball rolling on a field.
A quarter being flipped in the air
What kind of energy does this device use?
Sound
Electrical
Thermal
Radiant
Energy that comes from the nucleus of an atom is what form of potential energy?
chemical energy
Nuclear energy
Sound energy
Electrical energy
Any energy that is stored is considered to be ______ energy.
Kinetic
Potential
Total
Output
Potential energy depends on ____________ & ______________.
mass, speed
mass, position
speed, position
mass, weight
Kinetic energy depends on _____________ & _____________.
mass, speed
mass, position
mass, weight
speed, distance
A windmill is an example of ________________energy.
thermal
mechanical
light
electrical
When energy changes from one form to another, we call it a _______________.
transformation
creation
expiration
compilation
The energy of moving electrons is what form of energy
Energetic
Nuclear
Chemical Energy
Electrical
Energy from light waves is what type of energy?
Radiant Energy
Chemical Energy
Nuclear Energy
Shiny energy
Leah is holding the end of a pendulum. She then releases the pendulum. What energy transfers are taking place?
potential energy is transferred to kinetic energy
chemical energy to thermal energy
mechanical energy to chemical energy
kinetic energy is transferred to potential energy
Kylie pulls her comforter up over her head because her room is very bright. What form of energy is Kylie trying to get away from by pulling the covers over her head?
Heat
Light
Mechanical
Sound
What forms of energy are given off when you rub your hands together?
Electrical
Thermal
Sound
Light
Nirmal left his popsicle outside on his back porch. The day was very sunny. When he came back an hour later he noticed his popsicle was now in liquid form. What most likely happened to Nirmal's popsicle?
The popsicle was melted by the heat from the lamp on the wall.
The popsicle was melted by he thermal and radiant energy from the Sun.
The popsicle was melted from the radiant energy from the sun.
The popsicle was frozen from the heat and light from the sun.
Surinay was changing the light bulb. When she touched the light bulb she immediately had to put it down. She was surprised about what she felt. She knew that light bulb give off light energy but what scientific principle was she not aware of until she touched the light bulb?
Objects that give off light often also give off heat energy.
Objects that give off light often also give off sound energy.
Objects can only give off one from of energy at a time.
The texture of objects change when they give off energy.
Aaron was planning on building a chicken coop for Mrs. Wynter. One afternoon as he was sanding the wood down to make it smooth, the sandpaper touched his arm. What did Aaron notice when he felt the sandpaper touch his arm?
Aaron noticed the sandpaper was cold to the touch.
Aaron noticed the sandpaper made his skin feel smooth.
Aaron noticed that the sandpaper felt hot against his skin.
Aaron noticed the sandpaper was freezing to the touch.
Brady has a manual can opener. Brady has to turn the lever on the can opener in order for the blade to turn and open up the can. Which form of energy does the lever possess as Brady turns it?
Electrical energy
Chemical energy
Mechanical energy
Light energy
Trianna's mom lit some candles for the dinner table. Which form of energy does the candle release?
sound
mechanical
electrical
light
Zach learns that the definition of energy is the "ability to do work". Which characteristic of energy gives it the ability to do work?
It is destroyed.
It causes motion.
It destroys matter.
It increases mass.
Which of the following best describes energy efficiency?
Getting out more energy that you put in
When mommy says. "Turn off the lights when you leave the room!"
When you get an energy transformation that is 100% efficient
A ratio of input energy to useful output energy, expressed as a percentage
If a television uses 378 J of electrical energy and uses 134 J to play a movie, how efficient is it?
3.54%
75%
35%
28%
Which form of energy CANNOT be found in this picture?
Sound
Nuclear
Radiant
Mechanical
Which of the following energy transformations does NOT occur in this diagram?
Nuclear >>>> Radiant
Chemical >>>> Electrical
Electrical >>>> Radiant
Radiant >>>>Thermal
The new refrigerator Isabel bought uses 930 J, of which 495 J is converted into thermal energy. How efficient is the new fridge?
53.2%
43.5%
60%
46.7%
Which appliance would you use to convert electrical energy into radiant and sound energy?
Blender
Alarm clock
Light bulb
Bluetooth speaker
Welding is a process by which heat is used to permanently join pieces of metal. The forms of energy that are involved are Electrical, Thermal and Radiant. Which form of energy would be considered unwanted energy in this situation?
Thermal
Radiant
Electrical
None of the above
When energy transformations occur, there is always unwanted or unintended energy which usually is in the form of __________ energy.
Nuclear
Thermal
Chemical
Sound
