What is the difference between pressure and force?

Fun facts about animal movement


Ants don't sleep.


A cheetah can run 76 kilometres per hour (46 miles per hour) - that's really fast! The fastest human beings runs only about 30 kilometres per hour (18 miles per hour).



- The fastest dog, the greyhound, can reach speeds of upto 41.7 miles per hour. The breed was known to exist in ancient Egypt 6,000 years ago


The cockroach is the fastest animal on 6 legs covering a meter a second


A hippopotamus can run faster than a man


The Peregrine Falcon Falco peregrinus is the fastest bird and fastest of any kind of animal. It can reach speeds of at least 200 km when diving for prey in the air.


Relative to body size the Long Rufous Humingbird Selasphorus rufus makes the longest migration. It measures 10 cm and flies from as far north as Alaska to Mexico and back again - 10 000 km


The fastest human swimmer can swim at 6 miles per hour. The fastest mammal - the dolphin - can swim up to 35 miles per hour.

Grasshoppers can jump 40 times the length of their body; ants can carry objects that weight 100 times the weight of their own body


The average caterpillar has 2000 muscles. The average human has 700.