Compares a measurement to the real or accepted value
What is accuracy
100
A push or pull (exerted) on an object
What is force
100
An application of science to help people.
What is technology?
100
What is the term for limitations put on the design of a product from outside factor?
What are constraints?
100
The equation to find average speed
What is V = distance/time
200
Mass per unit volume of a material
What is density
200
The sum of the forces that are acting on an object
What is net force?
200
An explanation based on knowledge gained from many experiments is called
What is a conclusion
200
What are patents legal protection for?
a) New medicine
b) New novels
c) New product symbol
d) New songs
Correct answer: a) New medicine
200
Best describes the forces on an object with a net force of zero?
What are balanced forces?
300
A visual display of information or data that can provide a quick way to communicate a lot of information and allow scientists to observe patterns
What is a graph
300
Frictional force that opposes the motion of two surfaces sliding past each other.
What is sliding friction?
300
This type of graph is most useful for showing how the relationship between independent and dependent variables change over time.
What is a line graph?
300
The first full-scale model built to performance-test a new product.
What is a prototype?
300
How can speed be defined?
Correct answer: distance/time
400
Performance-testing method using a computer to imitate the process or procedure or to gather data
What is a computer simulation?
400
Forces that combine to produce a net force that is not equal to zero and cause the velocity of an object to change
What is unbalanced forces?
400
Why do scientists use graphs when analyzing data?
It is easier to detect (see) patterns when examining data in graph form than chart form.
400
A scaled-down (smaller) version of real production equipment that closely models actual manufacturing conditions and is used to test a new manufacturing process.
What is a pilot plant?
400
Which of the following is not used in calculating acceleration?
a) initial velocity
b) average speed
c) time interval
d) final velocity
Correct answer: b) average speed
500
A device or collection of devices used to monitor a system and limit system failures.
What is a control system
500
Speed of an object at a given point in time; is constant for an object moving with constant speed, and changes with time for an object that is slowing down or speed up.
What is instantaneous speed
500
Of these units, the one that represents volume is?
a) cm
b) mm^3 (cubed)
c) cm^2 (squared)
d) kg
Correct answer: mm^3 (cubed)
500
DAILY DOUBLE!
The town that suffered a massive nuclear power plant meltdown and is now abandoned.
What is Chernobyl?
500
m/s^2 (meters/seconds squared) is the proper unit for?