WorksheetsScience World: The Dark Side of Light
Total questions: 15
Worksheet time: 8mins
Bats are active at night so they are:
diurnal
nocturnal
night sleepers
arboreal
During the day bats may be found:
in trees
beneath bridges
under awnings
all answers are correct.
Bats navigate using this to sense their surroundings and find food.
echolocation
radiation
smell
sight location
Bats are considered mammals because they;
can fly.
feed their offspring milk
are cold blooded
all answers are correct.
Bats are blind!
true
false
Electric lights have made our night time sky ____% brighter.
80
99
20
50
Bats are the only species affected by light, so are these animals:
frogs
toads
sea turtles
birds
all answers are correct
99% of _______________ and Americans live under light polluted skies.
Europeans
Asians
Indians
Russians
Newer light bulbs known as LED:
use less electricity and heat.
use less light and power.
are solar powered.
are powered by wind turbines.
LED means:
low energy dark.
light emitting diode.
long emitting light.
low electric dose.
Bats don't usually see _____ light.
red
blue
yellow
pink
Bats are important because they:
keep insect populations in balance.
are predators of insects.
eat crop pests
all answers are correct.
Bats are __________ of over 500 plant species.
pollinators
eaters
killers
pests
Bats are currently suffering from white nose syndrome which:
is a deadly fungal infection.
has killed over 6 million bats.
has caused some bat species to become endangered.
all answers are correct.
This type of "green technology" has been known to kill bats.
wind turbines
solar power
hydroelectric power
all answers are correct
