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INVESTIGATING THE ATOMIC THEORY
INVESTIGATING THE ARRANGEMENT
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arranged Ask the children atoms and molecules bottle bubbles carbon dioxide cartridge chemical change chil chloride color compounds Concept contain cooling copper sulfate crystals deﬁnite detected developed dissolved dren drinking glass droplets dry cell electric charge electrons elements evaporation example experiences Extending Ideas ﬁll ﬁlled ﬁlm ﬁlter ﬁnd ﬁne ﬁrst flame tests ﬂow following Activity gases Geiger counter heat energy ice cubes INTRODUCTION iodine ions iron large number Learnings limewater liquid Louis Cox magnifying glass Materials needed melt mixture models nail nature of matter neutrons nucleus number of molecules objects observe ounce oxygen paper clip particles piece plastic plate Point produced properties protons Purpose radioactivity rubber Safety Note samples Science with Children scientists shape sodium sodium chloride solid solution spaces speciﬁc steel wool strip substances sugar suggest sulfur table salt taste temperature tiny tube visible wire