WorksheetsFertitta- Human Impact 1
Total questions: 15
Worksheet time: 8mins
Which is a consequence of an increase in greenhouse gases?
Ice caps freezing
global cooling
sea levels rising
Which are example of fossil fuels?
Oxygen
Coal
Oil
Natural gas
Each one of these gases is a greenhouse gas, except which one?
carbon dioxide
water vapor
hydrogen dioxide
methane
Trees are so important to our environment because they absorb (sink) which greenhouse gas?
methane
carbon dioxide
water vapor
oxygen
Greenhouse gases are important to our planet's survival because...
They create a natural cooling effect that keeps us from burning up.
They fuel the cars we drive.
They create oxygen which we need to breathe.
They keep our earth warm so we can sustain life.
Why are too many greenhouse gases bad for the environment?
They cause trees to die.
They release heat and will be the cause of the next ice age.
They trap heat in our atmosphere causing the planet to warm up.
They are fossil fuels which pollute our environment.
The most abundant greenhouse gas in the atmosphere is ___________________.
oxygen
nitrogen
carbon dioxide
argon
Lower temperatures and drought conditions cause
wide or thick rings
thin rings
oval rings
perpendicular rings
Warm temperatures and plenty of rainfall cause
micro rings
parallel rings
wide rings
thin rings
Thicker tree rings indicate poor growing conditions for plants and trees.
True
False
