Trivia Flashcards
True or False?
All mammals drink water.
False.
Marine mammals, such as whales and dolphins, do not drink sea water because it is too salty. They get their water from the food they eat instead.
David Bushnell invented the first submarine in 1775. What did he call his submarine?
D. Turtle
He called it the Turtle because that was what it looked like underwater
What is a blue moon?
A. a moon that is blue in colour
B. the second full moon in a month
C. one of the moons of mercury
B. the second full moon in a month
In every century there are just 41 months with two full moons.
Is the earth’s crust thinner under oceans or under mountains?
under oceans
Generally, the higher a mountain, the thicker the earths crust under it is.
Why are coral reefs called the “rainforests of the sea”?
A. They receive a lot of rain.
B. There is a lot of oxygen there.
C. They contain many different kinds of species.
C. They contain many different kinds of species.
Although coral reefs cover less than 1% of the world’s oceans, they are home to 25% of all species of marine life.
True or False?
Plastic bottles do not decompose in the ground.
False.
Plastic bottles do decompose, but it takes at least several hundred years.
True or False?
Deserts are very dry places, so it is impossible to see a rainbow in the desert.
False.
There are still times when it rains in deserts. With sunlight and raindrops in the air, rainbows can form.
True or False?
“Centi” means hundred and “peds” means feet, so centipedes have 100 feet.
False.
Centipedes have anywhere from 20 to 300 feet.
Does sound travel faster in warm air or cold air?
Warm air.
Sound travels faster in warm air because the particles in warm air move faster than those in cold air.
How much water is used in a five minute shower?
A. about 3 litres
B. about 30 litres
C. about 300 litres
B. about 30 litres
With a low-flow shower head, about 30 litres of water are used. With a high-flow shower head, 75 litres or more are used.
What is the coldest recorded temperature on Earth?
A. -89.2°C
B. -121.7°C
C. -250°C
A. -89.2°C
It was recorded in Vostok, Antarctica on July 21, 1983