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To learn more about the states of matter and concentration of solutions, you can explore the PhET interactive simulations on states of matter and on concentration.
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Open the PhET simulations for "States of Matter: Basics" and "Concentration". In the first, change temperature to watch particles change between solid, liquid and gas. In the second, add solute or solvent and watch the concentration change, linking the bar reading to the % m/v idea from this chapter.
💭 The Quest Continues …
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Can we create artificial blood that works just as real blood for all patients?
Scientists are working on blood substitutes that carry oxygen, which could help when donated blood is scarce. But real blood does many complex jobs at once, so making a full substitute that is safe for every patient remains a big challenge.
