Monday, 11 March 2019

EXAMPLE 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.

Borax Crystals

Image result for borax crystals

Ratio; 3 Tablespoons Borax per 1/2 cup water
Materials

1) A cup or a glass
2) Pipe cleaner
3) Borax
4) Popsicle stick
5) String
6) Warm water
7) Spoon

Process

Step 1: Grab a cup or glass
Step 2: Put 3 tables spoons of borax and 1/2 cups water
Step 3: Add ingredients to the cup
Step 4: Mix it together with your popsicle stick
Step 5: Tie your string to your popsicle stick
Step 6: Make a star with your pipecleaner, tie this to the string 
Step 7: Put your star into the borax and water solution

Sugar Crystals

Grow your own Sugar Crystals

Ratio: 1 cup sugar to 1/2 cup water
Materials

1) 4 spoons of sugar
2) String
3) Cup 
4) Warm water
5) Popsicle stick 

Process

Step 1: Get your cup
Step 2: Measure four tablespoons of sugar into your cup
Step 3: Add a half cup of warm water to your sugar
Step 4: Mix the solution with the popsicle stick 
Step 5: Tie a string to the middle of the popsicle stick
Step 6: Dip the string into the solution, rest the stick across the cup


Salt Crystals

Image result for how to make salt crystals

Ratio: 4 Tablespoons salt to 1/2 cup water
Materials

1) Popsicle stick
2) Salt
3) Warm water
4) String
5) Cup

Process

Step 1: Grab a cup
Step 2: Put 4 tablespoons of salt in the cup
Step 3: Add warm water to your salt
Step 4: Mix the solution
Step 5: Tie string to popsicle stick
Step 6: Dip the string into the solution, rest the stick across the cup


Findings

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:

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CRYSTAL TYPES


AIM: TO LOOK AT THE 7 DIFFERENT TYPES OF CRYSTALS


Image result for salt crystal image
Salt Crystals

Image result for sugar crystal image
Sugar Crystals

Image result for borax crystal image
Borax Crystals


7 different crystal shapes




The 7 types of crystals


Type
Number of sides
2 examples
Image
Triclinic
Definition:


7garden shed, tombstone 
Monoclinic
Definition:


10

Orthombic
Definition:


6

Trigonal
Definition:


10

Hexagonal
Definition:


8

Cubic
Definition:


6dice, box
Tetragonal
Definition:


12


Explain how the following crystals are formed?



Type

Salt


Sugar


Snowflakes