In this activity, students use modelling clay to construct different shapes (sphere, cube, cylinder) and calculate surface area:volume ratios with the aim of trying to develop...
Scientists at Victoria University of Wellington are making new shapes of nanoparticles. These will help reduce poisonous emissions from car exhausts by making catalytic converters in...
A chemical reaction involves a chemical change, which happens when two or more particles (which can be molecules, atoms or ions) interact. For example, when iron...
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