Worksheetsenergy and source of energy
Total questions: 48
Worksheet time: 43mins
What is Energy?
The ability to do anything
The ability to cause change
The investigation of nature
A fact of life
What is an example of kinetic energy?
A bird sitting in a tree
A bouncy ball on the table
A car driving on the highway
A book on shelf
What is an example of potential energy?
A bowling ball rolling down a lane
A car parked in a lot
An apple falling from a tree
Sunlight heating up the atmosphere
Which has more potential energy?
A bird in a tree
A car in the garage
An airplane before takeoff
A child on a swing
How could you find the kinetic energy of an object?
Multiply the mass and speed of the object
Subtract the mass and speed of the object
Estimate the speed of the object
You cannot find the speed of moving objects
Which has more potential energy?
A 1,500 kg car traveling 20m/s
A 200 kg bus traveling 100m/s
A 300,000 kg plane traveling 0m/s
A 20 kg ball rolling 40 m/s
Energy cannot be created or destroyed.
True
False
Total energy will always change in a system of objects.
True; energy is destroyed due to friction
False; energy cannot be destroyed, only transferred.
What is thermal energy?
Energy due to electric current
Energy that sound carries
The sum of the potential and kinetic energy of the particles that make up an object.
The energy that electromagnetic waves carry
What is an example of sound energy?
A thermometer heating up
Solar panels generating electricity
A guitar string being plucked
A machine in an assembly line
What is nuclear energy?
Energy in the nucleus of an atom
Energy in the particles of an object
Energy that is carried by electromagnetic waves
Energy in a system of objects
What is considered work in science?
When someone puts a lot of effort into a task
When an object moves in the direction of an applied force
When force is applied but no movement occurs
Work isn't used in science
What is the definition of friction?
A force that resists the sliding of two objects that are touching
A force that increases sliding between two objects
The change from potential to kinetic energy
A transformation from radiant to mechanical energy
Which of the following is not showing a change from kinetic energy to potential energy?
A sled sliding up a hill
A ball that is thrown into the air
A car driving down a hill
A rubber band being stretched
What transformation occurs in a toaster?
Electrical to radiant
Electrical to thermal
Thermal to mechanical
Solar to electrical
What type of energy transformation occurs when a piece of wood burns?
Electrical energy is released as radiant energy
Stored chemical energy is released as thermal energy
Mechanical energy is stored as chemical energy
No transformation occurs
Energy can be transformed into many different forms:
True
False
When plants convert the sun's energy into food, which type of energy is it?
kinetic
chemical
heat
electrical
What kind of energy is represented in this picture?
Heat
Potential
Nuclear
Electrical
What kind of energy is represented in the picture?
Heat
Chemical
Sound
Nuclear
A battery converts what type of energy to another?
sound to kinetic
light to heat
kinetic to electrical
chemical to electrical
What is an example of non-renewable energy?
Coal
Solar
Wind
Hydropower
What is the energy conversion when you have a skateboard at the top of the hill then move down?
kinetic to potential
potential to kinetic
potential to thermal
electrical to kinetic
What is the energy conversion when a wind turbine turns to provide energy to a power supply?
electrical to potential
potential to kinetic
kinetic to electrical
nuclear to heat
Name the energy conversion that occurs when Charlie rides his skateboard up to the top of the ramp. (Look closely to where the arrow is pointing.)
Chemical → Gravitational
Electrical → Light
Gravitational → Elastic
Heat → Electrical
Name the Energy Conversion of a dryer.
Chemical→ Thermal and Light
Electrical → Elastic, Heat and Sound
Gravitational → Nuclear, Sound and Heat
Electrical → Heat, Kinetic and Sound
Which of the following sources of energy supplies energy to humans and animals?
Nuclear
Wind
Food
Battery
You can get chemical energy from items listed below except....
Torch light
Battery
Fossil fuel
Food
What transformation of energy that occurs when Qaisara runs in the field?
Electrical energy ➡️ kinetic energy ➡️ sound energy
Chemical energy ➡️ kinetic energy ➡️ sound energy
Potential energy ➡️ kinetic energy ➡️ electrical energy
Darrshan is baking a cake using an electric oven. Which of the form energy below does not involve when he bake the cake.
Electrical energy
Heat energy
Chemical energy
Renewable energy is the energy that...
always new in market
Cannot be replenished continuously from existing sources
can be continuously replenished from existing sources
We need to use non-renewable energy sources wisely because...
They are expensive
The sources are limited but available all the time
The sources can be deplete and cannot be replenished
Which of the following is a good practise of saving the energy?
When sleeping at night, Adrianna uses 2 table fans to cool her room.
Kisshor and Harish always leave the light in living room and bathroom on throughout the night because they scared of ghost.
Azim always switches the light off after he used the bathroom
Why water is the better source of energy compared to fossil fuel?
Water does not cause pollution
Water is expensive
Water can be use to produce electrical energy
Fossil fuels are found
in desert army bases
near river banks
deep within the earth
at mountain tops
Biomass is created from ______.
Plants, animal waste, and garbage
Splitting atoms
The energy rays of the sun
Moving turbines
