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WorksheetsThe Brain Extract
Total questions: 9
Worksheet time: 5mins
What is the weight of an adult human brain?
Three pounds
One pound
Four pounds
Two pounds
What is the consistency of a human brain often compared to?
Sand
Water
Air
Firm jelly
What is the main factor that allows humans to thrive in different environments?
Hardwired brain
Livewired brain
Genetic mutations
Preprogrammed routine
How many synapses does a child have by the age of two?
50 trillion
75 trillion
100 trillion
25
What happens to synapses that are not useful in the brain?
They are strengthened
They are eliminated
They multiply
They stay dormant
What does the atuhor call the process when the brain eliminates unnecessary synapses?
Pruning
Strengthening
Connecting
Growing
What is the main difference between the brains of baby animals and human babies?
Human babies are born with hardwired brains
Baby animals are born swimming
Baby animals have more synapses
Human babies have more flexibility
How does the brain change as a child matures?
It becomes less flexible
It grows new cells
It forms more synapses
It prunes unnecessary connections
What is the main advantage of having a livewired brain?
Higher intelligence
Faster physical development
Quick adaptation to new environments
Increased memory capacity
