crystles/Science

Aim: To learn about a saturated solution and how to make crystals

Crystal video

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

Borax Crystals time lapse video

Ratio; 3 Tablespoons Borax per 1/2 cup water

Materials1) Shape pipes

2) Cups

3) Pegs

4) Steering stick

5) Sharpie

Process

Step 1: Shape pipe cleaners into a shape, 

Step 2: Hang shape on a peg, 

Step 3: Mate up borax solution, 

Step 4: Label your cup, 

Step 5: Take and put three teaspoons into the borax cup

Step 6: Steer the borax cup as soon as your teacher or when you feel might be the right time,

Sugar Crystals

Sugar crystals video

Ratio: 1 cup sugar to 1/2 cup water

MaterialsMaterials

1) Shape pipes

2) Cups

3) Pegs

4) Steering stick

5) Sharpie

Process

Step 1: Shape pipe cleaners into a shape, 

Step 2: Hang shape on a peg, 

Step 3: Mate up Sugar solution, 

Step 4: Label your cup, 

Step 5: Take and put three teaspoons into the sugar cup 

Step 6: Pour half a cup of water into the sugar cup & steer it,

Salt crystals time lapse video

Ratio: 4 Tablespoons salt to 1/2 cup water

Materials

1) Shape pipes

2) Cups

3) Pegs

4) Steer stick

5) Sharpie

Process

Step 1: Shape pipe cleaners into a shape, 

Step 2: Hang shape on a peg, 

Step 3: Mate up Salt solution, 

Step 4: Label your cup, 

Step 5: Take and put three teaspoons into the salt cup 

Step 6: Pour half a cup of water into the salt cup & steer it,

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	Small cubes.	Small.	Hard.
Salt	Cubes.	Small	Medium hard

What crystals worked out best and why?:






Conclusion:

After watching the videos as a class, explain how the following crystals are formed:

Type	Explanation
Salt	People place salt into ponds then the ponds push the salt into the ocean. Secondly when the ocean is hot then the water is heated then the salt starts to form. Also the salt is formed by salt water from the ocean, which comes from the ponds then it forms in the ocean. Also when the ocean is hot and heated then the ocean. After the salt is formed then it evaporated.
Sugar	The sugar syrup is directed to one thing by boiling and then cooled and seeded with sugar crystals, causing the sugar to crystallise out.
Snowflakes	A lot of oxygen go up into the clouds and start to form the snowflakes. After the snowflake is formed then the snowflake falls down into land. Secondly the snowflakes are created by very hard wind in the sky then it falls down.

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	Picture	2 EXAMPLES
Monoclinic			Garnet, Fluorite
Hexagonal			Cinnabar, calcite.
Trigonal			Zircon, rutile.
orthographic			Barite, olivine
Cubic			Albite, rhodonite