What is a crystal, a crystal is made of different types of material, There are four types of crystals are ionic, metallic, covalent network, and a molecular.
How to make sugar crystals.
Introduction: in science yesterday we made sugar crystals from homemade syrup, we put sugar on the sticks to make a surface for the crystals grow.
Aim: to make sugar crystals grow from the popsicle sticks and see what they taste like when they are finished.
ingredients
sugar, water, food coloring ( optional ) food favouring ( optional )
Method
In a beaker, heat at least 250g of Sugar, together with 50ml of water. You want to dissolve as much Sugar as possible, While stirring, bring the sugar solution to a boil. Remove the beaker from the heat. add food colouring and food flavouring ( both optional )
While the sugar solution is cooling, prepare a plastic cup for growing your rock candy. Suspend a stick into a beaker. Remember you are planning to eat the rock candy, so use clean material. Don't let the stick touch the sides or bottom of your container.
Pour the sugar solution into your jar. Grow your rock candy somewhere that it won't be disturbed. Evaporation is important, so cover the top of the container with a coffee filter or paper towel to keep the solution clean yet allow air to circulate.
You'll start to see crystals growing in a day or two. Be patient - crystals will form as the water evaporates. If you start to see crystals growing on the top of the container, break them off and eat them or throw them away. If crystals start to grow on the sides or bottom of your container, just transfer the rock candy and crystal solution to a clean beaker. Allow your rock candy to grow until you are pleased with the crystals. You can eat the rock candy right away or, if you want to keep it for later, allow it to dry and store it in an airtight container.
a saturated solution is a solution that cannot dissolve any more solids, like sugar. we need a saturated solution to be able to make our sugar crystals
