Something that is produced by a system; a product of the interactions.
What are outputs?
A push or pull.....
What is a force?
This suffix means the study of.....
What is -ist?
Skateboarding
What is kinetic energy?
This occurs when two objects rub together?
What is friction?
Body, wheels, doors, engine, and windows.
What are elements?
A force that attracts objects to the center of the Earth....
What is gravity?
An individual who uses scientific principles to explain, understand, observe or forecast the earth's atmospheric phenomena.
What is a Meteorologist?
A bike at the top of a hill is said to have.
What is potential energy?
A cobblestone road does this to a car traveling on it.
What is affect speed?
This part of the car system model include things that have to be added to the car to keep it moving such as fuel, oil, air, and people.
What are inputs?
Changes in speed or direction are caused by....
What are forces?
This scientist studies fossils.
What is a Paleontologist?
An object's direction and speed.
What is motion?

What is friction?
School, human body, sanitation, government, and transportation...
What is a system?

What is force?
A scientist who studies life, specifically organisms and their relationship to their environment.
What is a Biologist?
This is produced when an object is made to vibrate.
What is sound energy?
Of, relating to or using heat from inside the Earth.
What is geothermal energy?
*Systems have parts (elements).
*Systems have boundaries.
*Systems have inputs and outputs.
*The interactions of outputs of a system change when its inputs, elements, or boundaries change.
What are generalizations about systems?
A special type of fricitional force that acts upon objects as they travel through the air.
What is air resistance?
A person who studies the spread of diseases?
DAILY DOUBLE:
A Preliminary model, particularly of a machine, on which following models are baed.
What is prototype?
Although friction often is considered undesirable, it is sometimes necessary as well. This part of a car depends on friction.
What are the brakes?