Which side of the LED is positive and which one is negative?
Longer- positive
Shorter- negative
Does everything have a center of mass?
Yes
This part of a building holds it up and keeps it from falling down.
What is a foundation?
This simple machine is a flat surface that is slanted, like a ramp.
What is an inclined plane?
What needs electricity to work? A toaster or pencil?
Toaster
What is center of mass?
The "balance point" of an object
This shape is known as the strongest shape for building because it doesn’t bend easily.
What is a square?
This simple machine has a wheel and a rope to help lift things up.
What is a pulley?
True or False: the Fab Lab has a laser cutter.
True!
What do batteries store?
Electricity
What happens when a center of mass is higher?
Your're more likely to fall
This structure helps people and cars cross over water, valleys, or roads.
What is a bridge?
This simple machine has a pointy end and is used to split or cut.
What is a wedge?
What is the Fab Lab's favorite color?
Green!
What is the path electricity travels through called?
A circuit
What happens when a center of mass is lower?
more difficult to knock over
This shape—even though it rolls—spreads weight evenly and is used in tunnels and arches because it is strong under pressure.
What is a circle?
This simple machine is round and helps things roll.
What is a wheel and axle?
I have four legs, but I don't walk.
What is a chair?
Name every component of the simple circuit in the circuit card and what they do
LED, Battery (power source), copper tape (conductor)
What do the engineers of a tower need to do if the tower wobbles too much?
Lower the center of mass
This word means a building can stay standing without tipping over.
What is stability?
You turn this simple machine to put it into wood. It has threads around it.
What is a screw?
Name all the instructors, volunteers, and educators with us today.
Riya, Liza, Nidhi, Abigail, Satvik, Thomas, and Jennifer.