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5th Grade Science - Potential & Kinetic Energy
__ is energy stored in the position or structure of an object.
elastic potential energy
__ is energy stored by something that can stretch or compress.
gravitational potential energy
__ is energy due to position above Earth's surface.
chemical potential energy
___ is energy that holds atoms together in a molecule.
child on top of a slide
___ is an example of gravitational potential energy.
an unlit match
___ is an example of chemical potential energy.
a rubber band or a spring
____ is an example of elastic potential energy.
chemical, elastic, nuclear, magnetic
___ are different forms of potential energy.
____ is the energy of a moving object.
heat, electricity, light, sound
___ are different types of kinetic energy.
Electricity does work in an oven by moving particles around and changing into ____.
____ is the amount of energy used to perform a task / or the measurement of the energy used to perform a task.
law of conservation
___ states that energy cannot be created or destroyed.
Energy can only change _____.
___ is the ability to do work or to change an object.
if you lift a ball
___ you give it gravitational potential energy.
if you drop the ball
__ you give it kinetic energy.
changes back and forth from potential to kinetic energy
when a roller coaster goes up a hill and then goes down the hill and up and down, it ______.
___ is the same thing as Newton . meters.
units of work
___ are joules.
work is equal to the ____ used multiplied by the distance applied.
The units of work are ____, which is also joules.
velocity and mass
The amount of kinetic energy an object has depends on the object's ____.
The ___ velocity and mass there is, the more kinetic energy.
Velocity and mass ___ an object's kinetic energy.
created or destroyed
Energy cannot be ____.
___ a ball is an example of kinetic energy.
In kinetic energy, an object has to ____.
gravity and friction
___ are forces that are acting on the roller coaster cars.
work = force x ____.
____ can be changed or transformed into light, heat, or mechanical energy.
movement of charged particles
electrical energy is energy that comes from the _____.
moving objects have ____.
kinetic and potential energy
mechanical energy is the sum of _____.
_____ substances have more thermal energy than cooler substances.
___ has more thermal energy than ice.
cook, light rooms, use computers and air conditions
people depend on electrical energy to _____.
___ transform electrical energy into other kinds of energy such as thermal, light or mechanical.
most electrical energy comes from ____.
wires and cables
Electrical energy is sent thru _____ to homes and businesses, and then electrical devices transform this electrical energy to light
___ is vibrating electrical and mechanical energy.
_____ is the energy due to the motion of particles in matter.
___ is the flow of electricity through a conductor.
___ is an unbroken path of conductors through which electric current passes.
___ is a dark area that is created when an opaque or translucent object blocks the passage of light.
____ is energy from the Sun that is used by plants to make food.
distance and angle
The size of a shadow is affected by the ____ between the light source and the object.
____ travels as a wave, but is also a particle.
Electrical current is measured in units of ____.
__ is a device that can open or close a path.
a ___ transforms electrical energy to light or heat as it slows electrons in an electrical circuit.
a ___ is a resistor.
___ is a voltage source.
a voltage source helps move ___ along the path in a circuit.
___ is potential energy stored in the links between protons and neutrons in an atom.
the nuclear energy from the ____ becomes forms of energy such as light that provides energy for Earth.