Energy
what is energy
the ability to do work
what does potential mean
the energy has the ability to do something later on
what does kinetic mean
movement or motion
what is chemical energy
the food we eat stores energy that is released by digestion
what is mechanical energy
energy that can be used to do work
name something that uses energy
legit almost everything. (I decide if your right or not or whatever)
what is potential energy
the energy stored in an object
what is kinetic energy
the energy of a moving object
what is elastic energy
the energy stored in elastic materials because of their stretching or compressing
what is magnetic energy
the magnetic attraction of objects made of iron
what are the two categories that energy is divided into
kinetic and potential
how does height affect potential energy
the higher up the object is the more potential energy it has
how does speed affect kinetic energy
the more speed an object has the more kinetic energy
what is sound energy (not a form of potential I just needed somewhere to put it)
an object vibrates and pushes the air molecules to make sound
what is thermal energy
the heat made when molecules move
where do humans get energy from
food
how does mass affect potential energy
the more mass and object has the more potential energy it has
how does mass affect kinetic energy
the more mass something has the more kinetic energy
is sound energy potential or kinetic (think about this one)
neither. It is a form of energy but it is not kinetic or potential. Trick question.
what are examples of mechanical energy
elevator, car, hammer in motion, etc. (Mrs. m can decide if others are right)
what is the law of conservation of mass
energy can not be created or destroyed only transferred
what has more potential energy, a brick or a feather
a brick
which has more kinetic energy, semi truck or car
semi truck
imagine a rollercoaster. the potential energy would be the greatest at the top of the hill, bottom of the hill, or the middle of the hill.
top of the hill.
mechanical energy is the sum of...
it is the sum of the object's kinetic and potential energy