By performing experiments or observations that investigate the behavior of matter at different scales and conditions, scientists can gather evidence to support one theory over the other, providing insight into whether matter is continuous or composed of discrete particles.
How can an activity help decide between the continuous and particulate nature of matter?
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An activity involving the mixing of substances and observing if they separate upon standing can help decide between the continuous and particulate nature of matter. If the substances separate, it supports the particulate nature; if they remain mixed, it supports the continuous nature.