Unit 2 (Motion)
A push or pull on an object.
Force
The ability to cause change; many different types.
Energy
The statement that energy can be transformed from one form to another, but it cannot be created or destroyed.
Law of Conservation of Energy
Name one simple machine.
Pulley, Screw, Lever, Inclined Plane, Wedge
The mascot for Tree of Life Christian School
Trojans
Friction
Stored energy; which depends on interactions among objects, particles, or atoms.
Potential Energy
The transfer of energy that occurs when a force is making an object move.
Work
A ______ ______ is made up of two or more simple machines working together.
Complex Machine
How many Harry Potter movies were there that focused on the main storyline/character?
8
This law states that an object will stay at rest until acted upon by an unbalanced force.
Newton's 1st Law of Motion
This type of energy, is the sum of the potential energy and kinetic energy in a system of objects.
Mechanical Energy
The amount of work done on an object depends on the size of the ______ applied to the object.
Force
The work a person does on a machine is called the _____ work; the work the machines does on an object is called the _____ work.
Input
Output
In a recent online survey conducted by "icepop" which fast food restaurant was voted the worst in the USA?
Newton's 3rd Law of Motion
When atoms are joined by chemical bonds, energy is stored in and released from the bonds between atoms. What type of energy is this referring to?
Chemical Energy
When energy transformations occur in a system, what happens to the total amount of energy?
Stays Constant/Same
The ratio of output work to input work of a machine (a key term we talked about yesterday in Lesson 3)
Efficiency
Does Mr. Pertuset have a pet? If so, what kind of animal is it?
Trick question...no pets!
This law states that the acceleration of an object is dependent upon two things:
- Net force acting upon the object
- Mass of the object
Newton's 2nd Law of Motion
The sum of the kinetic energy and the potential energy of the particles that make up an object.
Thermal Energy
Seismic Energy
Machines do not change the amount of work that is required to complete a task; however they change what?
The way the work is done
Where was Mr. Pertuset born? What city?
Cincinnati, OH