Reaction Rates are affected by a few things. Without telling them the point, the students had a quick demo where they had to dissolve sugar cubes the fastest. The things that speed up reactions are:
Temperature - warmer is faster
Surface Area - small pieces have more surface area
Concentration - the more water, the faster sugar will dissolve
Catalyst - lowers the activation energy and speeds up the reaction
Agitation - shaking or stirring increases the frequency of collisions
Upwelling
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Today in class we discussed water temperature and upwelling. For notes we
continued talking about water movement and addressed ocean temperature and
locat...
If you were absent for the Physical versus Chemical lab, you can make up the majority of it by following the link below and watching YouTube videos of the experiments. You can also just check them out because they are cool.
Reaction Rates are affected by a few things. Without telling them the point, the students had a quick demo where they had to dissolve sugar cubes the fastest. The things that speed up reactions are: 
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