5th Grade Science - Potential & Kinetic Energy

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potential 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.

kinetic energy

____ is the energy of a moving object.

heat, electricity, light, sound

___ are different types of kinetic energy.

heat

Electricity does work in an oven by moving particles around and changing into ____.

work

____ 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.

forms

Energy can only change _____.

Energy

___ 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 ______.

joules

___ is the same thing as Newton . meters.

units of work

___ are joules.

force

work is equal to the ____ used multiplied by the distance applied.

newton meters

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 ____.

more

The ___ velocity and mass there is, the more kinetic energy.

increases

Velocity and mass ___ an object's kinetic energy.

created or destroyed

Energy cannot be ____.

dropping

___ a ball is an example of kinetic energy.

move

In kinetic energy, an object has to ____.

gravity and friction

___ are forces that are acting on the roller coaster cars.

distance

work = force x ____.

electrical energy

____ can be changed or transformed into light, heat, or mechanical energy.

movement of charged particles

electrical energy is energy that comes from the _____.

mechanical energy

moving objects have ____.

kinetic and potential energy

mechanical energy is the sum of _____.

warmer

_____ substances have more thermal energy than cooler substances.

lit candle

___ has more thermal energy than ice.

cook, light rooms, use computers and air conditions

people depend on electrical energy to _____.

electrical devices

___ transform electrical energy into other kinds of energy such as thermal, light or mechanical.

power plants

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

light

___ is vibrating electrical and mechanical energy.

thermal energy

_____ is the energy due to the motion of particles in matter.

electrical current

___ is the flow of electricity through a conductor.

circuit

___ is an unbroken path of conductors through which electric current passes.

shadow

___ is a dark area that is created when an opaque or translucent object blocks the passage of light.

solar radiation

____ 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.

light energy

____ travels as a wave, but is also a particle.

amps

Electrical current is measured in units of ____.

switch

__ is a device that can open or close a path.

resistor

a ___ transforms electrical energy to light or heat as it slows electrons in an electrical circuit.

light bulb

a ___ is a resistor.

battery

___ is a voltage source.

electrons

a voltage source helps move ___ along the path in a circuit.

nuclear energy

___ is potential energy stored in the links between protons and neutrons in an atom.

sun

the nuclear energy from the ____ becomes forms of energy such as light that provides energy for Earth.

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