Vocabulary
The length of a straight line that travels from one side of a circle to another and passes through the center of a circle.
What is diameter?
A child’s See-Saw is a kind of lever that belongs to this class.
What is a First Class Lever?
These two simple machines look identical.
What are the INCLINED PLANE and the SINGLE WEDGE?
This is the difference between Applied Science and Science.
What is Motive?
This is the equation for Mechanical Advantage.
What is MA=(distance from the fulcrum to effort) / (distance from the fulcrum to resistance)?
A device that either multiplies or redirects force.
What is a Simple Machine?
A wheel barrow is an example of this class of lever.
What is a SECOND Class lever?
A classification scheme and and an understanding of what causes urinary tract infections in cats can be considered technology. (True or False)
What is FALSE?
An experiment to determine how to make electronic circuits smaller is a type of __________ experiment.
What is a SCIENCE experiment?
This would be the mechanical advantage of a wheel and axel when the wheel has a diameter of 15 in and the axel a diameter of 3 inches.
What is:
15/3 = 5?
The amount by which force or motion is magnified in a simple machine.
What is Mechanical Advantage?
A door or a gate is an example of this class of a lever.
What is a SECOND Class lever?
A medicine that would alleviate the common cold and a new diet for dogs that will lead to a longer life would be considered technology. (True or False)
What is True
This is the MOTIVE for Applied Science
What is to MAKE SOMETHING BETTER?
The mechanical advantage equation for a screw depends on the circumference of what is being turned. In this case a screw drive. This would be the calculation of the circumference.
What is:
Circumference=3.1416 x (diameter = 2)
The distance around a circle, equal to 3.1416 times the circle’s diameter
What is Circumference?
A fishing, a human jaw, and a baseball bat are all examples of this class of lever.
What is a THIRD class lever?
Name 6 types of Simple Machines.
What are:
- The Lever - The Inclined Plane
- The Pulley - The Wedge
- The Wheel & Axel. - The Screw
An experiment to understand what factors affect how electricity runs in an electronic circuit is a(n) ________ experiment.
What is an APPLIED Science?
If the mechanical advantage of a wheel and axel is 9, this would happen to the mechanical advantage if a person turned it.
A push or pull exerted on an object in an effort to change that object’s velocity.
What is Force?
This is the point on which a lever rests or is supported and on which it pivots.
What is a FULCRUM?
These can result to Technology.
HINT: 3 things
What are ACCIDENT, SCIENCE, or APPLIED SCIENCE
An experiment to figure out the speed of electrons as they flow through an electronic circuit would be a(n) ________ experiment.
What is an APPLIED SCIENCE?
This is the formula and the mechanical advantage of of an inclined plane with a slope of 6 feet and height of 2 feet.
MA = (Length of Slope) / (Height)
6 / 2 = 3