10 Science - DNA Extraction Experiment

 DNA Extraction Experiment

Aim: 

Extracting DNA from a kiwi fruit.

Method:

1. Mush half a kiwi fruit in a zip lock bag with a splash of water and a small teaspoon of salt.

2. Strain the solution through a cloth into a beaker.

3. Add a squirt of dishwashing liquid and stir.

4. Pour into a test tube. 

5. Place the test tube in a beaker filled with WARM water.

6. Leave for 10 mins.

7. Slowly pour 5mL of methylated spirits down the side of the test tube.

Results:

Discussion:

Where do you find DNA?

DNA can be found in the nucleus.

What makes up DNA?

DNA is made of nucleotides, made in three parts;  a phosphate group, a sugar group and one of four types of nitrogen bases.

Conclusion:

Experiment did work because the kiwi fruit DNA separated from the kiwi fruit. I wouldn’t do anything different because the experiment worked.

10 Visual Arts - Street Art

 10 Visual Arts - Street Art

In art today we had to look for a piece of street art that we found cool and interesting. I chose this art work by Fin Dac. The piece is to show a Kaitiaki (guardian) to protect the area after the earthquakes. She is holding a Ruru bird that is a sign of warning in Maori Culture. The other bird is a Kingfisher that is found in Christchurch. I chose this piece because of the colours and cultural significance. 

10 Science - Wind Racer

 Aim:

To make a wind racer.

Research:

The internet

Equipment:

-Trolley

-Bamboo/metal rod

-Cardboard

-Newspaper

-Tape

-String

-Plastic Bag

-Popsicle Sticks

Method:

1.Put the metal rod in the trolley.

2.Cut pieces of material into squares.

3.Draw on the paper for creativity.

4.Gather and cut pieces of tape and string.

5.Stick the materials to the metal rod.

Result:

Discussion: 

What forces were acting on it?

The four forces acting on the wind racer were:

Gravity: The wind racer didn't fly in the sky, and the wind made it fall over.

Support:The ground kept the wind racer up.

Push: The leaf blower pushed the wind racer.

Pull: The wind racer stopped.

Why did it slow down?

The wind racer slowed down because the leaf blower was too far away so the wind coming out of it didn’t reach it.

Conclusion:

The wind racer worked but not very well.

Did it work?

The wind racer did work, but not that well. At first it fell over then the second time it went further.

What would you do differently?

Make the wind racer better in terms of: Structure, design and wind resistance. I would also use the leaf blower better and put the wind racer further away from the garden.

10 Maths - Measuerment

 10 Maths - Measurement

In maths we have been learning about the different times of measurements this includes:

-Weight (kg)

-Time (S)

-Distance (M)

-Temperature (K)

-Electric Current (A)

-Amount of Substance (Mol)

-Luminosity (cd)

In this topic we study different units of measurements like time, distance and temperature. At the end of this topic we threw paper planes to see the distance, speed and time they flew. 

10 Social Studies - Eco-Warriors

 10 Social Studies - Eco-Warriors

What did we do to help?

We picked up buckets of rubbish around the school to reduce the amount of rubbish that was there.

What are your thoughts?

There was too much rubbish around school. 

What do you want people to know?

To put their rubbish in the bin because leaving it out would make the environment a mess.

10 Science - Testing for Hydrogen Gas

 Testing for Hydrogen Gas 

Aim: To show that hydrogen gas is produced when a metal reacts with acid.

Method: 

1. Add your sample of metal to your test tube. Add 2ml of acid.

2. Carefully invert the boiling tube above the test tube containing the metal and acid.

3. Hold the test tubes together for a few minutes, allowing time for the inverted boiling tube to fill with gas.

4. When you think the tube is full, Mr Heath should light the wooden splint.

5. Carefully, but quickly, tilt the boiling tube full of gas upwards and insert the burning splint into the mouth of the test tube.

Results:

It made a popping sound.

Discussion: 

When the reactants (Metal + Acid) mixed together it resulted in two products (Metal Salt + Hydrogen). Because we trapped the Hydrogen gas into the test tubes it started to heat up and bubble. Because of this we knew that it was ready to have the splint put into it. When the splint was put in the test tube it reacted with the Hydrogen gas resulting in the popping sound.

Conclusion:

The experiment worked because the end result was a popping sound. I wouldn’t change anything because I am satisfied with the results.

10 Art - Michael Mew Art

 In art we have been looking at collage art specifically made by Michael Mew.

We first started cutting out and arranging different things from magazines.

Until I came up with an arrangement that I liked.

I then came up with thumbnail sketches to come up with different framing to draw.

This is my finished product. Over the arrangement I put a yellow line with the word caution on it. I did this to make it look like caution tape. The leading lines are the man and the women standing together; this is emphasize by the phone and the caution tape. It is made to make the eye look at the yellow then look up to the people.