Energy
Energy Transfer
Machines
Simple Machines
Random
100
What is the unit of measure for energy
Joules
100
What is thermal energy transfer mean?
When a warmer object is in contact with a cooler one. Heat goes from warmer to cold.
100
What are the six simple machines we learned in class?
Levers, Wheels and axles, pulleys, inclined planes, wedges, screws
100
What part is in the middle part (fulcrum, load, or input force) of a third class lever?
Input force is between the load and fulcrum
100

Where did Mrs. Russo just graduate from?

University of North Carolina- Chapel Hill

200
What is energy?
The ability to do work or to make cause change
200

Name the energy transformation that occurs in a toaster.

Electrical to thermal

200
What is a machine?
Any device that helps people do work easier by changing the way work is done
200
How do you find the Ideal Mechanical Advantage of a inclined plane
Length of the incline divided by the height of the load.
200
Digesting food is a what kind of energy transfer form?
Chemical
300
What is mechanical energy?
The sum of Kinetic and Potential energy. It is the energy of position and motion.
300

Name the energy transformation that occurs when you drop your pencil.

Potential to kinetic (or gravitational potential to mechanical)

300
What is the formula for Work?
Forces x Distance
300
Which simple machine is a pair of inclined planes that move?
Wedge
300

What is Mrs. Russo's dogs name?

Murphy

400
When energy changes from one form to another is called ...
Energy Transformation
400
In a battery, energy comes from _______ _______.
chemical reactions
400
How do you find the mechanical advantage?
Force output divided by force input
400
What is a pulley?
A grooved wheel that holds a rope or cable. A Load is attached to one end of the rope and an input force is applied to the other end
400

What is work input and work output

Work input: The work you do on a machine Work output: The work done by the machine on an object

500
What is the law of conservation of energy?
Energy can not be created or destroyed. It can only change forms.
500

Where do you have the most potential energy on roller coaster? The most kinetic?

Potential = top of the highest hill / Kinetic = lowest point

500
What does Ideal Mechanical Advantage mean?
Mechanical advantage of a simple machine that does not take friction into account.
500
Give me a real world example of a screw? Not an actual screw.
Spiral staircase, Spiral ramp for cars
500

What is the national animal of Scotland?

Unicorn

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