Science Terminology for 11-13 Yr Olds --- (Jon Witts)

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R

bending of light when it moves from one material to another of different density

force pushing something away

when bacteria are not affected by antibiotics

light sensitive surface at the back of the eye

disease caused by a lack of vitamin D in the diet

a way (usually a diagram) of linking all the processes involved in the formation of rocks

Keyword(s):

part of the plant usually below ground which anchors the plant and absorbs nutrients

substances broken down by chemical action of microbes

S

the measured area used for sampling

method for estimating the population size