Identify and use simple tools appropriately to extend observations.
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use hand lenses of varying power to examine shells, leaves, rocks, and describe details observed.
use sieves of varying density in the sand table to compare which catches the most debris and which sifts faster.
experiment with balance scales using a variety of objects.
use water wheels, funnels, and tubes in the water table or a hand beater to whip up bubbles.
use eye droppers to add food color to water and mix colors.