WorksheetsEnergy PT U3
Total questions: 30
Worksheet time: 15mins
An inclined plane can decrease the force needed to move an object by ____.
decreasing load
increasing load
increasing distance
decreasing distance
When a person is skiing down a mountain, what kind of energy is demonstrated?
motion
potential energy
kinetic energy
dynamic energy
____ is the correct formula for finding an object's speed.
S=D/T
S=T/D
S=M/D
S=A/T
Most energy transforms into this type of energy.
light energy
nuclear energy
chemical energy
heat energy
What type of change occurs when a pile of wood is lit on fire?
Heat energy to chemical energy.
Chemical energy to light & heat energy
Electromagnetic energy to geothermal energy.
A push or pull on an object is called ____.
motion
force
velocity
momentum
_____: Force = mass times acceleration, F=ma
3rd Law of Motion
1st Law of Motion
2nd Law of Motion
Potential energy is ___.
chemical energy to geothermal energy
active energy
stored energy
___ is the force that slows down or stops motion.
Friction
Acceleration
Mass
Gravity
Heat transferred by the unequal heating in liquis or gases is called ____.
conduction
convection
radiation
A wheel and axle work by increasing force in the ___.
pulley
rod
wedge
fulcrum
The more ___ an energy source, the more work can be done.
efficient
dense
adequate
powerful
A change in velocity is called ___.
speed
acceleration
motion
energy
___ is the average kinetic energy of an object.
Chemistry
Temperature
Thermometer
___: An object in motion, and an object at rest stay at rest until a force acts upon it.
1st Law of Motion
2nd Law of Motion
3rd Law of Motion
___is heat transfer by particles or waves and can happen in empty space.
Radiation
Convection
Conduction
Scientists measure power in ___.
watts
joules
horsepower
meters
The Law of Conservation of Energy states ____.
energy can change form and be destroyed, but cannot be created
energy cannot be created or destroyed, but simply changes form
energy can be created and destroyed, but cannot change form
Which pulley system would require more force to move an object?
one pulley
2 pulleys
3 pulleys
___ is the measurement of speed in a certain direction.
Velocity
Force
Motion
Momentum
The total potential and kinetic energy of an object is called ___.
mechanical energy
chemical energy
sound energy
total energy
___ energy is the energy we use to digest ouor good and make it useful.
Light
Electrical
Chemical
Heat
___ is heat transferred by direct contact of particles of matter.
Conduction
Radiation
Convection
___ defined the various laws of motion.
Archimedes
Isaac Newton
James Joule
Total kinetic energy of the vibrating molecules in a substance.
Thermal energy
Mechanical energy
Chemical energy
Sound energy
Energy that moves from hotter areas to cooler areas.
Chemical energy
Nuclear Energy
Electrical energy
Heat energy
Energy is motion.
Potential energy
Heat energy
Light energy
Kinetic energy
Responsible for measuring the speed of light.
Fizeau
James Joule
Isaac Newton
Archimedes
Responsible for the Law of Conservation of Energy.
Archimedes
James Joule
Isaac Newton
James Watt
Another word to describe the 1st Law of Motion.
Thermal
Heat
Inertia
Acceleration
