Work & Machines
Energy 1
Energy 2
Forces & Motion
Surprise
100
1.100 The transfer of energy to an object by using a force that causes the object to move in the direction of the force
What is work
100
2.200 The ability to do work
What is energy
100
3.100 The amount of work an object can do because of the object’s kinetic & potential energies
What is mechanical energy
100
4.100 The change of position of an object over time
What is motion
100
5.100 A battery converts _____ energy to ______ energy.
What is chemical to electrical
200
1.200 The formula for calculating work done in moving an object
What is is work = force times distance.
200
2.200 The energy of motion
What is kinetic energy
200
3.200 Name 3 of the many forms of energy
What is mechanical, thermal, chemical, electrical, sound, light, and nuclear
200
4.200 The formula for the speed of an object
What is speed = distance divided by time.
200
5.200 Photosynthesis converts _____ energy to ______ energy.
What is light to chemical
300
1.300 The rate at which work is done
What is power
300
2.300 Energy of position
What is potential energy
300
3.300 A change of one form of energy to another is known as
What is energy conversion
300
4.300 29. The speed of an object in a particular direction
What is velocity
300
5.300 A push or pull on an object
What is a force
400
1.400 A device that makes work easier by changing the size or direction of a force
What is a machine
400
2.400 What does kinetic energy depend on?
What is mass and velocity
400
3.400 55. What law states that energy cannot be created or destroyed but can be changed from one form to another.
What is the law of conservation of energy
400
4.400 30. The rate at which velocity changes over time
What is acceleration
400
5.400 The force of attraction between all objections due to their masses
What is gravity
500
1.500 The comparison of a machines work output with work input
What is mechanical efficiency
500
2.500 What does potential energy depend on?
What is Weight & height
500
3.500 What are the 3 ways that energy can be transferred
What are induction, convection, and conduction.
500
4.500 The force that opposes motion between two objects that are in contact
What is friction
500
5.500 The six simple machines from which all machines are made
What is the lever, pulley, the inclined plane, the wedge, the screw, and the wheel & axle.
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