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WorksheetsBiological Weathering
Total questions: 10
Worksheet time: 5mins
What is biological weathering?
Weathering caused by wind
Weathering caused by living things
Weathering caused by water
Weathering caused by temperature changes.
Which of the following is an example of biological weathering?
A) Tree roots breaking rocks
B) Water freezing in cracks
C) Sunlight heating rocks
D) Wind eroding sand
Fill in the blank: Lichens release chemicals that break down the ______ in rocks.
A) minerals
B) water
C) air
D) roots
Piddocks bore into rocks using their ______.
teeth
claws
sharp shell
tentacles
What type of weathering involves rainwater?
Biological
Chemical
Physical
None of the above
Which organism is sometimes confused with moss and contributes to biological weathering?
Algae
Lichens
Fungi
Bacteria
Fill in the blank: Biological weathering can be caused by ______.
A) plants and animals
B) water and wind
C) sunlight and heat
D) ice and snow
What do tree roots do as they grow that contributes to biological weathering?
Absorb sunlight
Release chemicals
Grow into cracks
Produce heat
Fill in the blank: Piddocks use their sharp shell to ______ the rock surface.
grind away
polish
paint
cover
Which of the following is NOT a cause of biological weathering?
Tree roots
Lichens
Piddocks
Rainwater
