Heat
Controlling Heat Transfer
Simple Machines
Energy transfer
Potpourri
100

The sum of all kinetic energies of all particles of a substance

What is total heat or energy?

100

Temperature is the ______________ energy level of molecules in a substance. 

What is average. 

100
3 simple machines
What is lever, pulley, ramp, wheel, axel
100
__________ are used to change the direction of effort
What are pulleys?
100

A substances ability to absorb or lose heat is measured by this.

What is Specific Heat Capacity?

200

The CONSTANT MOVEMENT of particles is described by this theoretical model. 

What is Brownian motion?

200

This brings COOL air inland.

What is a sea breeze?

200

The fulcrum in a first class lever is in the _________ but in a second and third-class lever, it is at the ____________.

What is in the MIDDLE and at the END.

200

W= F x d - what is the formula to calculate distance?

What is d=W/F?

200
The measure of how well and insulating material slows heat transfer
What is r-value?
300
Another name for heat energy.

What is Thermal Energy?

300
Sun's rays warm land more/less rapidly than they warm water
What is more?
300
A fishing pole is an example of what kind of simple machine?
What is third class lever?
300
The comparison of the work a machine does with the energy it uses to do that work is called
What is efficency?
300
Hammers, pliers scissors are examples of
What is first class levers?
400

The transfer by MOVEMENT of molecules

What is Convection?

400

Places near large bodies of water usually have a milder winter and a ____________  summer.  

What is cooler?

400
Some machines help us move very heavy loads - we call these f_________ m__________.

What is force multipliers?

400

This is what appliance efficiency is measured in.

What is Kilowatt Hours (KwH)?

400

Three examples of heat-transfer technology.

What is a radiator, a refrigerator, a heater, or an air conditioner.

500
The transfer of heat by electromagnetic waves
What is radiation?
500
what is refrigeration, air conditioning, radiators on motor vehicles and example of?
What is heat transfer technology?
500
Wrench turning a nut is an example of
What is Wheel and axle?
500

This is when all forces are equal.

What is equilibrium?

500
The object that is moved by a lever is called
What is the load?
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