KE/PE
What kind of objects have kinetic energy?
moving objects
What is the Law of Conservation of Energy?
Energy can neither be created or destroyed
What is passed from one object to the other when two objects collide?
When a pendulum swings back and forth some energy is transferred to mechanical energy. What is some unwanted energy that is also transferred? Name one example.
Sound or thermal
With a solar water heater on a roof, when is energy needed? Give one example.
to move cold water into the tank or to warm the water
Name on kind of energy a person transfers to a snowball when they throw it.
Mechanical or Thermal
What kind of energy describes an object's ability to move?
Mechanical
What transfers energy when hitting a hockey puck?
Person to stick to puck
The amount of energy measured at the beginning of a system will be more or less than the amount measured at the end of the system.
less
With a solar water heater on a roof, when is energy needed? Give another example.
to move cold water into the tank or to warm the water
What kind of energy does a ball resting at the top of a hill have?
Potential Energy or Gravitational Potential Energy (GPE)
What kind of energy is a flow of negatively charged particles that creates an electrical current?
electrical
A cold block of metal touching a warm block of metal is what kind of energy transfer?
Thermal
A ball rolling on the floor has what kind of energy that makes it seem like energy was lost?
Thermal or sound
What kind of energy transformation does a rocket have?
Chemical to mechanical
A ball rolling down a hill gains what kind of energy?
Kinetic Energy
What kind of energy is involved in chemical reactions?
Chemical
What is the definition of an energy transformation?
The process of one form of energy changing to another form
A ball rolling on the floor has what kind of energy that makes it seem like energy was lost? Name another form.
thermal or sound
A slinky's potential energy at the top of a step changes to what kind of energy as it falls down the steps?
Kinetic energy
A slinky at the top of a step has what kind of energy?
Potential Energy/ GPE/Elastic Potential Energy
What kind of energy describes the kinetic energy of the particles that make up matter?
Thermal
What kind of energy transformations does a hair dryer have?
Electrical to thermal, sound, and mechanical
What kind of energy transformation does a firework have?
Chemical potential energy to sound, electromagnetic (light), and thermal.
What happens to the motion of the particles in the air as it heats up?
It increases