Engels - Chapter 3 Flashcards
explain the title: ‘there is safety in numbers’
this expression refers to the fact that, in many instances, individuals are safer when part of a larger group
Frost flowers
are created when water is pulled from a plant due to an outside temperature below zero, leading to delicate ice formations.
Bioluminescent
waves come into existence when the chemical energy of certain types of plankton is turned into light as they wash ashore
Ball lightning
consists of elliptical objects that are associated with thunderstorms but last a lot longer than the flash of a regular lightning bolt.
Fire rainbows
are big refractions of light that occur parallel to the horizon when the sun stands at least 58 degrees above the horizon
Auroras
are caused by electrically charged solar wind particles colliding with gas atoms. This takes place at high latitudes and is also referred to as ‘polar light’
brinicles
are pockets of salty water that are forced to gather by the pressure of a freezing sea surface and slowly sink to the bottom
flammable ice bubbles
are frozen pockets of methane that get trapped beneath the surface of a frozen lake
Lenticular clouds
are formed when moist air is forced upwards towards the top of the mountain.
The door to hell
is a large gas fire that was accidently ignited by scientists
A skypunch
is a large gap that appears in clouds when their water temperature is below zero but they haven’t frozen yet.
pollen
is a powdery substance containing pollen grains, which are plant sperm cells
why do bees land on flowers
they are attracted by the color and the smell of a flower. they maken honey seeds in flowers
why are bees important
the pollination of production crops is endangered
how is a bee colony organised
A queen, female bees and drones. everyone has their own job
