Hurumanu - Crazy Crystals
Aim: To learn about a saturated solution and how to make crystals
Definition of solution:
A liquid mixture, when something is dissolved into a liquid (eg: sugar in water)
Definition of saturated:
Having or holding as much as can be absorbed of something (when no more sugar or borax can be dissolved into the water)
In groups of three you will make three different types of crystals and compare the results.
Ratio; 3 Tablespoons Borax per 1/2 cup water
Materials
1) Pipe cleaners
2) String
3) Pegs
4) Cups
5) Borax
6) Sugar
7) Slat
Process
Step 1: Sape pipe cleaners into star shapes.
Step 2: Hang star on a peg.
Step 3: Make up borax solution.
Step 4: Get three cups and label your cups.
Step 5: Then you add borax into one of the
Step 6: Then you add water in'to each of the cups and mix for 5 minutes
Step 6: After you have mixed you can added your star in the cup, and wait for four days or a week.
Sugar Crystals
Materials
1) Sugar
2) String
3) water
4) cup
5) mixing stick/ or any mixing stick.
Process
Step 1: Step one get a cup that you have wrote sugar on it and add sugar in the cup.
Step 2: Step two add water and then mix for at least 5 minutes.
Step 3: Step three after you have mixed your sugar then get your stick and tie it in the middle of the stick.
Step 4: step four put your stick and the string into the cup, and leave it for four days. or a week.
Step 5:
Step 6:
Ratio: 4 Tablespoons salt to 1/2 cup water
Materials
1) Salt
2) Cup
3) Mixing stick
4) Water
5) String
Process
Step 1: Get a cup that says salt and and salt.
Step 2: After that add water.
Step 3: Then mixes for 5 minutes.
Step 4: After get a stick and tie it on to the stick
Step 5: Then put the stick in side of the cup and wait for four days or a week.
Step 6:
Findings
The borax's once we mix then leave it for a little bit the borax's comes back.
Describe your crystals in the table below.
Crystal Type
|
Shape
(Describe the shape) |
Size
(of individual crystals) |
Hardness
(Crumbly to Rock Hard) |
Borax
| |||
Sugar
| |||
Salt
|
What crystals worked out best and why?:
Conclusion:
________________________________________________________________________
Conclusion:
________________________________________________________________________
After watching the videos as a class, explain how the following crystals are formed:
Type
|
Explanation
|
Salt
|
Water flows threw into little ponds. The water heats up and boils until it is nothing but gas.The gas rises up into the air since it had heated up and dried up in the pond.The salt is than left in the little pond hole.
|
Sugar
|
Sugar is made from a plant. The plant is called a sugar cane. Raw sugar is sucrose which is extracted from sugar cane or sugar beet. The sugar syrup is concentrated by boiling and than cooled and seeded with sugar crystal's causing the sugar to crystallize out.
|
Snowflakes
|
A snowflake begins to form when a extremely cold water droplet freezes onto a pollen or dust particale in the air/sky. This then creates an ice crystal. As the ice crystal falls to the ground water vapor freezes onto the primary crystal buiding new crystals - the six arms of the snowflake.
|
CRYSTAL TYPES
AIM: TO LOOK AT THE 7 DIFFERENT TYPES OF CRYSTALS
Salt Crystals |
Sugar Crystals |
Borax Crystals |
7 different crystal shapes
The 7 types of crystals
Type
|
Number of sides
|
2 examples
|
Image
|
Triclinic
| 6 | albite
rhodnite
| |
Monoclinic
| 10 | gypsum
mica
| |
Orthombic
| 6 | sulfar topaz | |
Triganol
| 10 | albite rhonite | |
Hexagonal
| 8 | beryl cinnabar | |
Cubic
| 6 | galena fluorite | |
Tetragonal
| 12 | chalcopyrite rutile |
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