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Worksheetsscience prim 5
Total questions: 9
Worksheet time: 5mins
1. The image of an object that is formed through narrow holes is ..............................
a. minimized
b.inverted.
c. enlarged.
. (a) and (b).
Black objects …………………………..
reflects all colours
absorbs all colours
no correct answer
reflects red colour
To separate insoluble solid from solution, we use ………………
filtration process
evaporation
grinding process
separating funnel
Factors affecting solubility process.
Quantity of solvent
Temperature
Stirring
All of the previous
………A mixture in which the solute breaks down into its most basic particles and spread evenly though out the solvent.
a. solute
b. solution
c. solvent
d. salty
The………….…can simulate the color of the surrounding environment.
bee
crocodile
ascaris
chameleon
the ………… led to the extinction of dinosaurs.
d. changing of natural circumstances (conditions)
c. man interference
b. disappearance of organisms
a. appearance of new organisms.
The lawless lamprey feeds by sucking blood of its host which is a ………………
frog
symbiosis
predation
parasitism
is the balance between components of ecosystem (…………………….)
ecosystem
environmental balance
predation
saprophytism
