Separating Mixtures

Aim:
To separate a solution from a precipitate ( a precipitate is a name for a solid that forms in a liquid during a chemical reaction)

Equipment:

• Lead Nitrate
• Potassium Iodide
• Conical flask
• String rod
• 250mL beaker
• Funnel
• Filter Paper

Method:

1. Pour 10mL of lead into the mini measuring cylinder and then pour it into the beaker.
2. Rinse out the measuring cylinder and then do the same thing with the potassium chemical. and see the magic happen. 
3. Filter paper and fold it in half and then again then unfold it once and place it in the slot of the funnel and place the funnel on top of the conical flask.
4. Pour your chemicals that in your funnel and let it drain out and you will see what it comes out.
5. Now look at the filter paper now (it's cool looking right)

Here are some photo's (with numbers) from the experiment that I got from my Science teacher

(2)
(1-2 *step 4*)
(2-2 *step 4*)
(5)

Discussion:
When I mixed the chemicals together they made a cloudy yellow colour (a little bit like paint) form but, when I drained it, it turned into a clear chemical.
The stuff that was left behind was residue.
I have no idea why it did that.

Chromatogrophy

Chromatography is greek for Colour Picture

Aim: To sperate different pigments in inks or dye using paper Chromatography

Equipment: Filter Paper, Felt Pens x2, 250 mL, Mr Stock's Chromatography solvent

Method: Method:

1. Cut a strip of filter paper.
2. Rule a line about 2cm from the bottom (a straight line) or do your finger width.
3. Grab your felt pen and do a dark circle until you feel like you nearly just coloured the paper.
4. Fill your beaker up to 1cm
5. Dip your paper in slowly and when it hits the line just leave it there. ( Tape the bit you are up to.)
6. And then see the magic happen.

Observations:

When I dipped the paper in I saw what happened to it. It slowly moved the felt up or kept the felt dot in one place and the rest went up.

It depends on what colour you are doing for e.g my colours were orange and green.  As you can see by the picture the green separated into a lighter green and blue and climbed the paper whereas the orange didn't separate but still climbed the paper 

Growing Crystals

Aim:
I want to find out how to make crystals form in a supersaturated solution

Equipment:

• A supersaturated solution of Sodium Acetate
• A seed crystal of sodium acetate
• Busen burner
• Heating Mat
• Boiling tube
• Scissor Tongs
• Funnel
• Filter paper
• Small beaker

Method:

1. Filter the super-saturated on the funnel.
2. Place you fennel (with the filtered paper on top) on top of your Boiling tube.
3. Pour your liquid into the funnel and you should see a crystal form.
4. When it's done remove the funnel and see if it has little crystal in it. (Plus if you smell it, It smells like salt and vinegar. Don't waste it we need that at the end)
5. Grab your Boiling tube and your Busen burner, pop on your safety glasses plus the scissor tongs because you are going to heat it over the Bunsen burner (remember to have the heating mat under it.)

6. Grab your scissor tongs and place it like your holding it.
7. Put in a 45-degree angle, point it at the wall.
8. When your heat your tube remember to take it on and off the flame because you will burn your hands.
9. When it is all melted grab your small beaker fill it with cold water and place your boiling tube (with the liquid in it) in that water to cool off for 5 minutes
10. *Fun part*. Once it is cooled off grab a little tiny crystal on pop it in the boiling tube and see the magic.

Discussion:
When I heated the crystal it melted.
When I cooled it and popped a crystal in it, It formed into the crystal form in the start.
I think why it did that is because the crystal liquid in there didn't form with each other because there was nothing really to form But the raw crystal was poped in it reacted because the crystal liquid wasn't used to that raw crystal.

Making a Dilution Series

Aim: to make a dilution series to investigate concentration

Equipment: Test Tube Rack, Test Tubes, 10mL measuring cylinder, a plastic transfer pipette, a potassium permanganate.

Method:

1. Fill measuring cylinder with 10mL of water
2. Add 10mL of water to a test tube
3. Add 5mL of water to 5 more tests tubes.
4. Add a small spatulaful of Potassium Permanganate to the first 10mL test tube of water
5. Add 5mL of the dark purple Potassium Permanganate into the second test tube.
6. Add 5mL of the second tube into the third test tube.
7.  Add 5mL of the third test tube into the fourth test tube. 
8. Add 5mL of the fourth test tube into the fifth test tube.
9. Add 5mL of the fifth test tube into the sixth test tube.

Results:

Discussion:

The first test tube went a dark purple colour.

As we poured 5mL from each test tube into the next test tube, the colour lightened each time.

Drama!

In Drama we have done a lot.

 We told people things about us, we acted out a scene, and now we are doing our own musicals. 

Our musical is about an ordinary day in parliament.

The people in my group and their roles are,

• Me - NZ First
• Nathan (the playwright) - National Party
• Meagan  - Labour  Party
• Kaiden - Greens
• Shikobi - The Speaker of the house

I need to improve my Winston Peters act eg. the old guy feel