I don't have the ENERGY!
The ability to do work.
What is energy?
p. 264
A form of energy that is reflected or emitted from objects and travels through space in the form of waves.
What is electromagnetic energy?
p. 277
A simple machine that is a sloped surface.
What is an incline plane?
p. 289
The process of energy changing from one form to another.
What is energy conversion?
p. 278
Definition of work.
What is the product of a force (applied in the direction of motion of an object) and the distance the object moves?
p. 281
How the kinetic energy of an object is determined.
What is multiplying half of an object's mass by the square of its speed?
KE= 1/2 x M x V2
p. 265
The type of energy that cannot travel through empty space.
What is sound energy?
p. 277
This is two incline planes put together.
What is a wedge?
p. 289
A system where nothing can enter or leave.
What is a closed system?
p. 279
What is power?
p. 283
The factors that determine the gravitational potential energy of an object.
What is object mass, acceleration due to gravity and the height relative level (often the ground)?
PE = M x G x H
p.269
What is nuclear fission?
p. 277
A type of lever that has the fulcrum located between the input and output force.
What is a first class lever?
p. 290
Law of conservation of energy.
What is energy cannot be created or destroyed; it can only be converted from one form to another or transferred from one object to another?
p. 278
True or false: If a force does not act in the direction an object is moving, it does no work on the object.
What is true?
p. 282
The type of energy that a compressed pogo stick has.
What is elastic potential energy?
pp. 270-271
The process of nuclear fusion.
What is by combining or fusing the nuclei of smaller atoms together to form a larger atom?
p. 278
This type of simple machine does not increase the applied input force, but redirects the force to do a job more easily.
What is a pulley?
p. 290
The type of potential energy a seagull uses when dropping an oyster from high up onto rocks.
What is gravitational potential energy?
DOUBLE JEOPARDY
p. 279
The distance you put into a machine to get some work done.
What is input distance?
p. 288
The sum of an object's potential energy and kinetic energy.
What is mechanical energy?
p. 274
All chemical compounds store their energy in chemical ____________.
What is chemical bonds?
p. 276
The equation for work is __________.
What W = F x d?
p. 284
This causes the conversion of kinetic energy to thermal energy.
What is friction?
p. 279
The number of times that a machine increases (or decreases) the input force.
What is the mechanical advantage?
p. 289