Study

Science 6

  •   0%
  •  0     0     0

  • Energy that is stored in the bonds between atoms. (Example: food and battery)
    Chemical energy
  • Two factors effecting the magnitude of the force of gravity between 2 objects are...
    Mass and distance
  • Oil between machine parts would be an example of which type of friction?
    Fluid friction
  • It is the ability to do work by movement of electric charge (electricity).
    Electrical energy
  • What does friction produced? (Form of energy)
    Heat
  • What machine or thing changes electrical energy into light and sound energy?
    ...
  • The measure of how much matter is in an object.
    Mass
  • Swimming fishes experience -
    Fluid friction
  • Methods how to reduce friction
    Make the surface smooth and rolling friction
  • Another name for thermal energy
    Heat energy
  • What is the force acting between any two objects in the known universe all the time?
    Gravitational force
  • What form of energy?
    Mechanical energy
  • What the of friction occur in this picture?
    Rolling Friction
  • It is the type of energy an object has because of its motion.
    Kinetic energy
  • What is the SI unit used to measure weight? (Remember the definition of weight!)
    Newton
  • Give two examples that shows KINETIC ENERGY.
    ...
  • The law of universal gravitation is credited to whom?
    Newton
  • Two ways how friction increases
    Rougher surfaces and weight increase
  • Sally experiences -
    Sliding friction
  • A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate.
    Air resistance
  • It is the type of energy released when the nucleus of an atom is split apart or combined with another nucleus.
    Nuclear energy
  • Which type of friction occurs when an object moves through a liquid or gas?
    Fluid friction
  • It is a force that acts in an opposite direction of movement.
    Friction
  • When most objects with smooth surfaces rub, there is less friction.
    True