Materials Engineering
What is a material engineer and what do they do?
design, select and improve the materials used in engineering
What is a parachute?
A device used to slow down an object that is falling towards the ground
What is the strongest shape?
triangles
How many kinds of internal forces can bridges hold?
3
What are all of the instructors and JI's names?
Zoë, Kellie, Jocelyn, David, Jaden
What is a textile engineer?
Designing and creating products with fabrics.
Reuses materials to make efficient and durable fabrics
What is thermal conductivity?
The ability of a material to conduct heat
What is the biggest crane in the world called?
BIG CARLLLLL
Name at least one of the internal forces can bridges hold.
compression, tension, bending
What is Kellie's favourite colour?
Pink
List 3 things that a recycling sorting machine uses to sort items
Spinning wheel to break the glass
Magnets
Camera to tell the difference between certain types of plastic
Wind
Verification system
What are the two forces that act on a parachute?
Gravity and Air resistance
What kind of sensors do Ozobots use?
light sensors
Name 2 different specializations of electrical engineering
electronics, power systems, control systems
What is Zoë's favourite sport?
Hockey
What did Stephanie Kwolek invent?
Kevlar
Name 2 materials that has the ability to resist heat flow (thermal resistance)
foam, mineral wool, fiberglass
What is welding?
joining pieces of metal by heating and allowing the edges to flow together or by hammering or pressing together
What are Trusses? +100 points if you can name the forces that they can carry
Trusses are composed of stable shapes (mostly triangles) connected by hinges
Most truss members carry only tension and compression
What is Zoë studying?
Environmental Science
Name at least 1 of the types of textile structures
Nonwoven, Weave, Braid, Welf-knit, Warp-knit
Name two of the steps that your body does when you break a bone
1. Blood vessels bleed
2. Blood clots around the bone fracture (hematoma)
3. Your immune system starts inflammation around the fracture
4. New bone starts to form around the fracture edges
5. Your body produces soft cartilage (~8 days after injury)
6. Hard bone starts to form (3-4 weeks after injury)
Name at least 2 parts of the crane
Boom: the long arm that helps in lifting and moving the load
Rotex gear: helps the crane move left and right
Counterweight: prevents the crane from tipping over when weight is added
Name 5 main types of bridges
arch, beam, truss, cable-stay, cantilever, suspension
What is Kellie Studying?
Neuroscience