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Worksheetsunit 1.2 and 1.3
Total questions: 10
Worksheet time: 5mins
what is one example of a chemical change
melting ice
crushing paper
photosynthesis
food getting chewed
what two type of energy's are used when a human is about to move
potential and kinetic
kinetic and thermal
thermal and chemical
mechanical and potential
what are three chemical changes in digestion
enzymes breaking down protein
chewing
saliva breaking down carbs
enzymes break down lipids in small intestine
squeezing
is it true that chewing is a physical change
true
false
what types of energy are used in windmills
mechanical to electrical
radiant to thermal
electrical to thermal
potential to chemical
what types of energy are used in photosynthesis
thermal to chemical
radiant to chemical
chemical to radiant
mechanical to thermal
what energy types are used in digestion
chemical to thermal
radiant to mechanical
thermal to chemical
potential to thermal
is it true that potential and kinetic are the same
true
false
what are the two major types of energy
potential and kinetic
kinetic and thermal
thermal and radiant
radiant and mechanical
is it true that a physical change can be reversed
true
false
