At what temperature does water freeze at?
32 degree F or 0 degree C
A nanometer is how much of a regular meter?
A billionth of a meter
Earths gravitational pull on all objects is... (think about the number we always use in our formula)
9.8
How many steps are in the engineering design process?
6
Fact Or Myth
There are clothes that don’t stain due to nanotechnology. You can spill juice on your nanopants and the juice just rolls off.
Fact
What kind of engineers deal with chemicals?
Chemical Engineer :)
What does it mean to be hydrophobic?
Repel or not mix with liquid.
What is the potential energy formula
Mass x Gravity x Height
Mr. Caroso is building a golf cart using spare parts found in his garage. What step would he be on?
Build and Test
Students have collected data on the speed of a drag race car that they designed and built. The students will use the data to reflect on the process and determine whether or not their car solved the problem they defined
Evaluate Solution
Natural rubber, animal bones, starch and milk protein were once used to make what?
Adhesives (glue)
A bucky ball is made up of how many carbon atoms?
60
What is the Kinetic Energy Formula?
1/2 mv"2
What do engineers do when they are generating concepts using this process?
Brainstorming ideas, researching, sketches
Containment Boom
Why does oil sit on top of water?
Oil is less dense
What tool can view objects at the nanoscale? (multiple answers)
Atomic force microscope or Electron Microscope
A 10 kg ball is attached to the end of a suspended string. The ball is lifted (with the string fully extended) to a position 1 m above it's original position. What is the gravitational potential energy possessed by the ball in this position?
98
Cary's phone keeps getting wet because it keeps falling off of the kayak. Cary wants to figure out a way to keep it dry using only materials from the garage.
Generate Concepts
What was the first commercial glue made from?
Fish
Why did we add salt to the ice when we were making ice cream?
Salt lowers the freezing temperature of the ice allowing for rapid cold temperatures.
A buckyball was named after the individual who found it. That individuals name is what?
Buckminster Fuller
What is potential and kinetic energy measured in? In other words what unit do we use when we arrive at an answer?
Joules (J)
List the 6 steps of the engineering design process.
define a problem
generate concepts
design a solution
build and test
evaluate solution
present
What are the 6 simple machines?
Lever, screw, inclined plane, wedge, wheel and axle, pulley