Try Something Tuesday

Brain teasers / trial and error

Try Something Tuesday

Rock Candy

Try Something Tuesday (brain teasers, trial and error)

Using a 12"/30cm piece of tin foil, make a boat by bending, folding or crumpling the edges until you have the shape of boat you want. Fill a sink with a few inches of water and float your boat. Add one marble (or other small heavy object) at a time until your boat sinks. The principles of displacement tell us that all objects displace some water, and an object will sink into the water until it displaces an amount of water equal to its own mass. The more mass an object has, the further it sinks. Why do you think your boat sank when it did? Would a differently shaped boat be able to displace more water to hold more marbles/objects? Reshape your boat and try again. Repeat until you think you have the best possible boat shape. Why did that shape work the best? Why do you think that is? Show us a picture of video of your boat(s) and let us know what you figured out!

Learn about over saturated solutions and make a cool looking candy you can actually eat! A solution is a mixture of 2 or more substances. A solute (in this case sugar) is a substance that is dissolved into another substance, or solvant (in this case, water). Oversaturation means there is more solute than a substance can hold. By heating up the water, it allows it to hold more dissolved sugar, but as the water cools it can no longer hold as much so some of the sugar has to resolidify (crystallize) and looks for something to attach onto, like the sugar on the stick/string that we put in the solution. Crystallization is the process by which a solid forms, where the atoms or molecules are organized into a structure known as a crystal. Crystallization is something that happens in nature, for example in some rock formations, and even inside our bodies. At about 1 weeks, all the sugar that is going to crystallize out of the solution will have done so. Can you be patient and wait a whole week to eat it? Look at your crystals every day to see how much they have grown! Show us pictures of your rock candy and tell us what colours or flavours you added!

  • Math Games!

Try some of these fun math games! There’s connect 4 (2 player, Addition, Grades 1-3) https://pin.it/4xyzVj7 , dice wars (2 player, number recognition, addition, subtraction, multiplication, subtraction with integers, Grades K-6) https://pin.it/4aWxfSE , equation searches (1 player, like word searches but with multiplication. Grades 3-6) https://pin.it/7t39Cqi, multiplication bingo (1 or more players, Grades 3-6) https://pin.it/7tSm5Ju , roll to 100 (2 OR more players, number recognition or addition, Grades K-2) https://pin.it/36REoIM , Exponent snake (2 player, Grades 6-8) https://pin.it/5107t2W

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