The ability to do work.
What is energy?
p. 264
Definition of sound energy.
What is a form of mechanical energy, AND it is carried by sound waves?
DOUBLE JEOPARDY
p. 277
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
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
This happens when an object vibrates.
How is sound energy produced?
p. 277
The electrical potential energy in clouds is transferred into these 3 types of energy in a lightning bolt.
What is light energy, sound energy and thermal energy?
p. 276
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
How nuclear fission releases energy.
What is by splitting atomic nuclei apart?
p. 277
The only form of energy that we can see -- visible light.
What is light energy?
p. 277
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 fussion.
What is by combining or fusing the nuclei of smaller atoms together to form a larger atom?
p. 278
The other names for electromagnetic energy.
What is radiant energy or light energy?
p. 277
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
Why no one can hear you scream in space.
What is sound waves cannot travel through empty space?
p. 277
The type of energy plants use to photosynthesize.
What is light energy?
p. 277
This causes the conversion of kinetic energy to thermal energy.
What is friction?
p. 279
Inclined plane, wedge, pulley, wheel and axle, lever, and screw.
What are the six types of simple machines?
p. 289