Transmitter
What is a transmitter?
Something that sends out electromagnetic signals
What two colors were on your receiver?
Red and Green
Which penguin built their nest out of rocks?
Adélie Penguins
What is the name of the device that has a fulcrum and load?
Lever
Name the 4 Cardinal Directions
North, South, East, and West
What was the name of the code we transmitted?
Morse Code
Where was the battery pack for your receiver? On the side or on the top?
On the side of the box
Which penguin dives the deepest?
Emperor Penguins
What do we apply to the lever to move an object?
Force or Effort
Name the 4 Ordinal Directions
NE, NW, SE, SW
Why are is E the shortest signal?
It is the most used letter in the alphabet!
What is a reciever?
A device that picks up the signals from the transmitter
Penguins have ____ feet
webbed
What is the name of the pivot point on a lever?
Fulcrum
Compasses have an arrow that always (or should) point in which direction?
North
Transmitters only send signals in ______ lines
straight
What does a receiver do with what it is sent?
Turns the signal into usable information (lights, sounds, etc).
What do penguins trap in their feathers to help them launch onto land?
air
What part of a penguin acts like a lever to propel them through the water?
Flippers
How is Radar different than Sonar?
Radar uses radio waves and Sonar uses sound waves.
What does a transmitter transmit?
Why do receivers need different frequencies?
So they only pick up ONE signal
Penguins only exist in the ________ hemisphere.
Southern
What part of the human body is a lever?
Shoulder, Knee, Fingers (any joint)
What does GPS stand for?
Global Positioning System