This stands for Revolutions Per Minute.
What is RPM?
The male frog is smaller than this
What is the female?
the rotating part of a mechanical device
What is a rotor?
Since the 1950s, more than this many species of frogs have been threatened with extinction and over 120 are believed to have become extinct since the 1980s.
What is one third?
The numbers that represent the voice signal are packed up into this kind of wave and sent out from the phone's antenna
What is radio?
This man finally built the world's first practical helicopter in 1939
Who is Sikorsky?/Who is Igor Sikorsky?
Frogs are found from the tropics to subarctic regions, but the greatest concentration of species diversity is in this
What is tropical rainforest?
a structure with curved surfaces designed to give the most favorable ratio of lift to drag in flight
What is an airfoil?
Frogs camouflage themselves in one of these two ways
What is blend with their backgrounds?/ What is change colors?
A tiny microphone in the cell phone converts the up-and-down sounds of your voice into a pattern of this
What is electrical signals?
Airfoils are wings that have this kind of cross-section
What is curved?
Frogs have this kind of skin, with secretions ranging from distasteful to toxic
What is glandular?
the information fed into a computer or computer program
What is input?
Frogs breed this often
What is annual?/What is once a year?
This is the main bridge between all the computer’s major parts
What is CPU?/What is the Central Processing Unit?
Helicopters have airfoils built into their rotor blades, which spin around at high speed, typically about this many RPM on a small helicopter.
What is 450?
The flying frogs (Rhacophorus) can glide up to this far by means of expanded webbing between the fingers and toes
What is 50 feet?
a set of equipment used to generate and transmit electromagnetic waves carrying messages or signals
What is a transmitter?
Frogs eat insects, other small arthropods, or worms, but several of them also eat other frogs, rodents, and reptiles. This makes them this kind of eaters
What is carnivorous?
This acts as the home for all other components of the computer
What is the motherboard?/What is motherboard?
In the helicopter, the rotor blades are connected to this
What is hub?/What is the hub?
The goliath frog of West Africa reaches lengths of this and weighs 7.2 pounds
What is 12.5 inches?
the rate at which a vibration occurs that constitutes a wave
What is frequency?
This means being a sign to show what's in the environment
What is a bellwether?
Random Access Memory is a computer component where this is stored.
What is data?