Topic 5 - Flower Power

My learning goal and outcome 

1. Know the parts of the flower and what the function (what they do and why) of each part

2. Be able too dissect a flower, arrange its parts and collate on an information sheet

3. Complete a scientific diagram of a flower 

4. Be able too speak above 

My thoughts about flowers, What have you notice about flowers, What do you know about flowers

• Their look nice

• I notice the colour of the flower

• Flowers get their food from the sunlight 

Hibiscus Flower

• Stigma

• Style

• Anther

• Pollen tube

• Sepal 

• Thalamus 

• Male gametophyte 

• Petal 

• Ovule 

• Female gametophyte 

Equipment 

• Cutting tool

• Flower 

• Cutting board 

• Petals 

• Flower bud 

What to do

• Remove one petal 

• Remove one sepal 

• Carefully pinch the sides

• Cut on center of line 

• Remove the style 

Hello everyone so for this week tech lesson we cut out the pollen tube out of a Hibiscus flower. Thank you for looking at my blog bye!

Topic 4 - Floating and Sinking

 Floating or Sinking - Buoyancy Experiments:

Aim/purpose: Find out what is positively buoyant (can float) and negatively buoyant, (cannot float), and to predict what the outcome of one object will be.

Definitions:

Float - On the surface of liquid, (most of the time, water)

Sink - Can not float and object goes under the liquid.

Semi-float - Where something can float but half of it is in the liquid, (between floating and sinking).

How something floats: It has enough air and isn’t too heavy.

How something sinks: Where something doesn’t have enough air, is heavy and dense; Thus, the object sinks.

Buoyant - The term for something that can float.

Negatively buoyant: Term for something that can’t float.

Positively buoyant: Term for something that can float.

Recording our buoyancy testing

Predicting what the outcome may be and if our predictions are proven wrong or correct.

Name of object	Size - cms L-W-D or diameter	Weight : gms	Composition (what it’s made of)	Prediction Float or sink	Buoyancy result
Golf ball	12.7cm	45.76gms	Plastic stuffed with rubber	It won’t float. It seems a bit too heavy.	It didn’t float, (correct)!
Tennis ball	21.1cm	54.40gms	Hollow inside, fabric outside.	Semi float.	It semi -floated, (correct)!
Ping pong ball	12.4cm	2.29gms	Plastic, inside is hallow.	Float.	It floated, (correct)!
Small marble	5.7cm	5.33gms	Glass	Float	It didn’t float, it sinked, (incorrect)!
Big marble	9.4cm	20.43gms	Glass	Sink	It sinked, (correct)!
Big lego	3.7cm	8.33gms	Plastic	Float	Floats/semi-floated, (correct)!
Small block	1cm	0.50gms	Wood	Float	Float/semi-floated, (correct)!
Medium block	1.9cm	3.80gms	Wood	Semi-float	Semi-floated, (correct)!
Long block	10cm	19.41gms	Wood	Semi-float	Semi-floated, (correct)!

Wide block	14.1cm	116.43gms	Wood	Sink	Semi float, (incorrect)!
Styrofoam	3.2cm	0.15	Styrofoam	Float	Floats, (correct)!

Hello everyone this is what we did at tech last week, we put some objects into a bucket of water and we have to predict if it would float or sink. Thank you for looking at my blog bye! 

Topic-1 Science Introduction

   

Hello everyone so this blog post is about what I did on the first day at tech for our new groups. All we did was write good rules for us. Thank you for looking on my blog and please leave a positive comment.

Science Introduction 

Participate 

-Too take part

-Get involved 

-Do it

Team work

-Everyone has their part

- No boss

One talker at a time

Respond, Contribute

Collaborate 

Be responsible 

     - Care for equipment

-Tidy up

-Follow instructions 

Listen

Contribute

Share

Topic 3 - Trying out laboratory equipment

Hello everyone this is what we did at Tamaki Collage for Science. We used Lab equipment.   

 Aim or Purpose: 1. Measure an exact amount of sugar and dissolve in water to make a solution. 

 

1. Thermometer

2. Weighing Machine

3. Stop Watch

4. Spatula

5. Pipette  

 

Method: We placed a petri dish on the weighing machines or scales. We used a spatula to measure the sugar. We put the sugar into a 200ml beaker fulled with water and then timed it to see how long it would take. Then we did hot water. We did that until the the sugar dissolved. We used a thermometer to see the temp of the water. We used 10grams of sugar and 100ml of cold and hot water. 

 

Results:  Temp of cold water = 23

Temp of hot water = 80

Time taken by water to dissolve in cold water = 1.20

Time taken by water to dissolve in hot water = 16

Something In the water

Something in the water is this terms theme. I would like to learn about the deep side of the sea and what lives in the underground caves. I hope you get to learn things from my blog about this term.