Astronomy & Astrology differences (Science)

It's almost the end of the term which means the end of the school year... till next year, we have 2 weeks left, and during this time were doing Astronomy for our science topic. One of our pages in the scipad Page 228 is called Astronomy and Astrology which talks about the difference between the two.

So I'm going to bring that page to you but in my own words.
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While Astronomy and Astrology may sound similar to each other in words and sound meaning, they both are very different topics.
Astrology is what most scientists would call a Pseudoscience (Pseudoscience meaning False or Fraudulent or rather false science) And while is a real science as it deals with facts and evidence.

Astrology is a system of predicting the future, but this lacks any evidence that it really works.

An Astrologer also believes that the positions of the planets and stars at the moment of a person birth has an effect on their personality and some of the major events that happen to them.

While they believe that

Astronomy is based on the laws of physics and aims to describe what is happening to our universe based on what they see.

The differences are very well known, Astrology is about the constellations or the zodiac signs and how people believe that they change a person attitude and how their life works, while Astronomy is based about our stars and our planets that live in the milk way.

Astrology is known as a false science.
While
Astronomy is known as a real science as it uses the laws of physics and mathematics to find out what they need to know.

Science post #4 (Biological drawing rules)

In science, there are specific rules as to how to draw something and how it should be drawn, and how it should not be drawn, I will give you these few rules that I've learned on how to make a science drawing perfect.

What to do

1.When you are drawing a scientific drawing, its bets to take up the whole page and not just half of it.
2. Make sure that your drawings are fully connected, like when you draw a circle there is always that one line that's in the circle. That can't be there it had to be a full round circle.
3. Don't add details only add the important things, the details don't matter.
4. Make sure your labels are connected to what you are labelling.
5. Make sure you give your project the right name, if it's a cell name the cells name, don't call a cell a bug.

6. Give the right magnification, if it's 10x 40 then you don't stick 10x 40 you stick what it equals so if it was 10x 40 it would be 400 magnification 

What not to do

1. Don't use only half of the page

2. Make sure labels are not crossing over each other

3. Do not doddle on your work.

4. if your drawing has a mouth in it don't draw around the mouth, give the mouth and opening.

5. Don't add detail, only add the important things
6. give the right name for the title.

and here are a few others

Draw what you see and not what you expect to see
Use a pencil not a pen (You can't erase mistakes with a pen)

Science post #3 (how to set up a onion skin slide)

On the 3rd to last day of the term, we used the microscopes but instead of having everything ready for us. We had to make the cell ourself, we were given a piece of onion a slide to pick the onion on and a small clear pice to stick on the onion piece and we were also given Iodine.

Step 1 - First, you had to get the piece of onion and grab the end and pull a thin piece of the option, then you need to lay it on the clear Slide.

Step 2 - For step 2 you need to grab the iodine and stick a small drop of iodine on the onion

step 3 - put the small clear piece of glass on top of the iodine and onion that lays on the slide

CONGRATS YOU CREATED YOUR FIRST SLIDE, the slide is clear rectangle thing, its made of glass so don't break it.

But then we have to set it up on the microscope.

to set it up I'll take you step through step

Step 1  - Set up the microscope, make sure to hold the microscope by the neck and base (Go to blog post #2 to see the parts of the microscope)

Step 2  - once you've set up the microscope grab your slide and gently place it on the base of the microscope

Step 3 - move the 2 clips on the side of the base where you slide is and move them onto to the slide so your slide doesn't move around while you're looking at your cell.

Step 4 - Look into the eyepiece to see the cells and what you made with onion, iodine and a slide.

In the eyepiece the onion will be a light shade, that is so you can see the cells within the onion.

Science post #2 (Parts of the microscope)

In science since we were learning about cells, we needed to use microscopes to look at the cells within the thing we were looking at.
In this blog post, I will tell you the parts and the functions of it.

Eyepiece - The eyePiece is what you look through to see the cell

Neck The neck is the bone structure of the eyepiece

Objective lens - is for different magnifications on how close or far you are from the cell (Yellow is M range it is 10X, Red is small and is 4X and blue is large which makes it 40X magnification) 

Stage - The stage is what is occupying your cell

Stage clip - The stage clip holds your cell in place so it doesn't move around while you look at it.

Light source - The light source is necessary so you can see the cell

Switch - The switch is to turn on the microscope

Base - The base is the bottom part of the microscope

Course knob - The course knobs allows you to move the stage up and down in big movements

Fine knob - The Fine knobs allows you to move the stage up and down in smaller movements

science post #1

In Science this term we first started off with Food and Digestion
This topic was basically relating to how the body works and the nutrients we need to stay alive and how they react with different foods <-- (Wasn't here for the experiment)

After that topic came Cell work our last topic of the term
For cells, we learnt about plant cells and animal cells and what is inside them and the difference of them.

Plant Cell - A plant cell has all the organelles, unlike the animal cell. The plant cell has a Large Vacuole a cell wall a cell membrane, Chloroplast and cytoplasm and lastly a nucleus

While an Animal cell has

Animal cell - A animal cell has a cell membrane a cytoplasm and a nucleus but no chloroplast, cell wall or large vacuole.

another difference between animal and plant cells is that plant cells are a square or rectangle shape and an animal cell can be any shape as unlike the plant cell the animal cell has bones which helps form its body.

The function of these organelles all have their purpose and what they are

Large Vacuole - The large vacuole is only found in the plant cell and its job is to store the food it collects within the large vacuole
Cell Wall -  The cell wall can be found in a plant cell, it helps structure the cell as a plant cell does not have bones unlike the anime cell
Cell Membrane - A cell wall within the cell of both animal and plant which allows some things in and out while it blocks other unnecessary things out.

Chloroplast - The Chloroplast can only be found in the plant cell and it absorbs the sunlight and uses that in conjunction with water and carbon dioxide gas to produce food for the plant

Cytoplasm - The Cytoplasm is the jelly-like liquid within the body of an animal and plant cell

Nucleus - A Nucleus is a form of a circle which holds the DNA of the creature or plant within it

Can experiment (Science)

In Science today we did a small experiment... PUTTING A CAN OVER HOT FRIE THEN PUTTING IT IN WATER. Well doesn't seem like much but it was fun

Aim: To observe contraction in gases

Method: (1) Set up the bunsen burner
(2) Pour about 50-20 ML of water into your can. It should be no  more than 1/4 full
(3) heat the can of water above the flame of the bunsen until steam is seen escaping from the top, then carefully grip the can with the scissor tongs while making sure you have a firm grip on the can, then left it off the gauze mat
(4) Quickly but carefully, invert the can as you plunge it into a container of water

Hypothesis: Maybe it would explode like. explode explode.

(It didn't fully Explore... it just made it's self smaller as in when you crush a can with your hands)

Equipment: Can (With water) Ice cream container (With water) Bunsen burner. Scissor Tongs

We had proceeded to put our equipment up, we filled the container up with water to the line, and stuck a bit of water in the can, before lighting the bunsen burner with a lighter and turning it to the blue flame and then holding the can over the fire with the scissor tongs.

We waited for a bolling sound before lifting the can off of the fire, and then quickly into the container of water, to then instantly hear a crunching sound from the can.
(Result after the experiment)

Distillation experiment (Science)

Aim: separate the solute from the solvent in Coke

Hypothesis: The liquid part of coke will vanish 

Equipment: tube beaker conical-flask, Bunsen burner, Ice, retort stand, boiling tube, gauze mat, tripod, delivery tube, Coke

Method: Get equipment, Set it up and put coke in the conical-Flask and grab the bunsen burner and stick it under the trip pod, then put the flask on top of the tripod then grab your beaker and get some ice and stick the beaker with the ice next to the tripod then stick a test tube in the beaker with the ice before then sticking a delivery tube into the flask and sticking the other end in the test tube, before then lighting your match and then turning on your bunsen burner

-After the experiment-

Results/Observation: As it burns the coke, the heat goes up through the pipe and over into the test tube filling it up, as it continues the coke slowly gets devoured or vanishes, and unlike others where it makes hard stuff on the side, ours kept bubbling and dissolving. 

Conclusion:  Sort of and sort of not, Yes because it did start vanishing and no cause not all of it did

Discussion: The coke evaporated due to the heat underneath it which the evaporated water from the coke then ran over to the other side into the test tube filling it up, almost melting the ice in the beaker.

Evaluation:  I would say it was, I mean we got different outcomes from others but we had a choice of 3 bottles of coke, we used coke zero if we didn't use coke zero we might have got a different outcome

Ping pong ball experiment (Science)

The purpose of this blog post that I am making is to demonstrate the scientific method, 

of our ping-pong ball experiment in science this week.

Recently in science, we had been using our SciPad, we had to fill out a page that was needed for our experiment once we had finished that page we waited for the next time we had science to do the test.

The page we did before the experiment included for us to do an Aim, Hypothesis and Method.

Aim -To find out how high a ping-pong ball can bounce after being dropped

Hypothesis - I think the ball will bounce a bit over 50

Method - Frist get out your equipment (Pole, Ball and ruler) then once you got your equipment and set it up, then hold the ball from the top of the pole with a ruler next to the pole then drop the ball and watch it bounce. (You take that test 3 times for each length so like 40 cm, you would put it on 40cm and do 3 tests on the 40cm before moving it up to 60 or 50 and doing the same thing)

After you've got your result you make a graph out of it.

After we had done that we waited the next day for our test, we did exactly what it said above and after that, we did our graph and the page next to the graph which included our Discussion as to what went right or wrong. and Conclusion as to say yes or no to if my hypothesis was correct and our Evaluation to see if it was a bad test meaning it wasn't right.

Discussion - When we dropped the ball at 50cm our result was 34,31,33 and though I thought it would be in the 40's I sadly don't know why it got below 40 maybe cause of the drop?

Conclusion - No it didn't because even at 50cm it did not go over 50, maybe I should have done 70cm for our last and not 50 and maybe then it would have gotten over 50

Evaluation - There was a 13 within the 20's when it should be within 20

(Our chat on what we used for our graph)

(Our graph was a single line for those who want to know)

Drop hight (CM)    Trial 1       Trial 2     Trial 3     Average

30cm                 I    20         I    21       I    13      I   18

40cm                 I    27         I    26       I    24      I   26

50cm                 I    34         I    31       I    33      I   33

Method to make a sandwich (Science)

I did this blog post and task with

PAGIE

Science (What is a scientist?)

What do you think a scientist does?

I think a scientist could be a range of stuff like a chemist, or someone 

working in the doctor department.

They make new chemicals that could possibly help people in the future.

(Medience or cures)

What a Scientist does (Reseach)

Entomologist - Is a Scientist who studies Insects that would probably find around each day or some that are hard to find for a challenge 

Marine Biologist - Those who Study what's deep down in the waters or as we call it sea life

Geologist - Someone who studies the history and the origin and the structure of the earth

Zoologist - A Person who in general just studies animals you would probably see at a zoo.

Information about a Scientist

Albert Einstein

A famous German man who worked as a theoretical physicist.

He was born in 1879 and died in 1955

He had children who were named Eduard Einstein, Hans Albert Einstein and lastly Lieserl Einstein

Quote - Two things are infinite: the universe and human stupidity; and I am not sure about the universe.

Science expreiments

On Wednesday last week, we had science like every other Wednesday, we did a little experiment that involved counting.

we were given a beacon, some ice, and a plug to a tap and a lighter, this tap was a fire tap, to control fire level, and we also had a thermometer to stick in the beacon, First off we grabbed ice and stuck the ice in the beacon, before grabbing the plug plugging it in, lighting it then grabbing a tripod which was a little stall with a pad we stuck the beacon on with the plug underneath, the plug is also known as a Bunsen burner which was a metal weird looking thing that attached its self to the plug, then went in flames, after that we counted how long it would take for the ice to melt with the thermometer in while counting, I counted to 60 before pulling it out and Tyra sticking down what we stopped at then we did the whole thing over again but using the same ice.

Our next experiment involved crystals dangerous ones heheheheh, we were given beacons with water as we grabbed a small crystal with tweezers and stuck it in the beacon then waited to see what happen, after a while the water started turning purple a galaxy like purple, then once it had dissolved we stuck down what had happened as a result.

Bottle rocket

last term for science we had made Rockets out of Bottles, first we discussed what our rocket would look like in a pair my pair was Tyra, first off our design was meant to be a kawaii rocket but we only got a wing on sadly and never got to finish due to the rockets being launched while me and others were at Koru games.

But overall it was said to be successful in the rocket launch that day.

Science!

What did I do in science?

Well yesterday we made paper planes or as our science teacher called them Gilders

No Idea what the purpose was for making it but we made our gliders and went outside and there them like planes, some made changes to their glider to see if there was anything different... you could say there was... Sort of

Halfway near the end of school I started getting a bit too hot and started getting loppy which ended up with me saying "How does it feel knowing you've killed millions of people!" what I meant by that was, you would pretend people were in the paper plane and each time you crashed you killed innocent people...

Well apart from that it was fun

a couple couple days ago, more like 2 weeks ago or 1... we made parachutes fun right?

we had to make it which was a pain since it also involved string which got tangled with the other string, which made it hard for it to fly... kinda

But in the end, we all had fun!

Crime

Here is a slideshow that we did for science.
we were told to make our own crime, add a crime report the suspects and evidence

Science

Science

In year 8 for Science, we are doing something called Forensic Science.

On the first day, we did -----------------------------------------------^

We were doing fingerprints first, we put pen on our fingers then putting our finger on sellotape, pressing our finger on the sellotape then removing our finger from the sellotape then looking to see if it was an Arch, Whorl or Loop, when we found out if it was a
------------^-------^----------^--------------- We then stuck our sellotape on some paper, after we had put it on the paper we then stuck in the boxes on the paper if it was a Arch, Whorl or Loop.
The person.

What is Forensic?
A sceince that helps police solve a crime
DR. Edmond locard is said to be the father of Forensic's and as he was also known as the Sherlock Holmes.

CHROMATOGRAPHY

Then the next day we did something that involved paper, we stuck pen on the paper while we were given this weird thing, it looked like water but it was a no-no to drink, we stuck the paper on top of the cup where the so-called water look-alike was.

We were given something, we had to put it in the water thingy, then softly touch the paper while the water was on the given rod, after we put the water on the paper we watched it slowly spread to make beautiful colors.

FIRE WARNING

On the third day, we played with Fire, we were given some material, a candle and a lighter to light the candle, we were given a list of things.s

What did the material look like?

How fast did it burn?

What did it smell like?

& What did it feel like? (Wait for the heat to cool down before touching, you may hurt your self if not careful.
For this part, we had someone to work with, my partner for this was Tyra

Left (ME)
Right (TYRA)

A forensic scientist may discover powder at a crime scene. In order to determine if it is illegal or not the crime lab will identify the substance using chemistry. Take on the role of a forensic chemist to identify unknown substances.

Become a Forensic Chemist by following these procedures and filling in the Powder Analysis Chart with your results.

Complete the appearance, texture, and smell activities before opening the vinegar and iodine bottles.

Record your findings in the Powder Analysis Chart below.

Aim: To determine how different powders feel, look and react to other substances.

Hypothesis:

Equipment:

Baking Soda

Cornflour

Sugar

Salt

Method:

1. Place one-fourth teaspoon (1 ml) of the four white powders on a sheet of black construction paper. Label the powders with your pen.
2. Study the powders with the magnifying glass. Examine what each powder looks like. How would you describe the powder's shape. Does it have large or small grains? Your observations should be written in the appearance column of the chart.
3. Examine the powders further by rubbing each powder between your fingers. Describe how each powder feels in the Texture column of the chart.
4. Determine if there is a smell to any of the powders. Record your findings in the Smell column of the chart.
5. Take the eyedropper and place a drop of water on each individual powder. Examine what happens? Do the powders dissolve? Is there a reaction? Write your observations in the Reaction to Water column.
6. Place one-half teaspoon (2ml) of each powder in a separate jar. Add 2 drops of iodine to each jar using the eyedropper. Record what happens in the Reaction to Iodine column. Iodine should be handled with care.

Cornflour has large grains.

Cornflour is fine

Salt has small grains

Salt is rough

Sugar has small grains

Sugar is rough

Baking soda has small grains

Baking soda is okay

Method: we first used water to see how it reacted by baking soda, slat, sugar, and cornflour,

Next we did Hyde it reacted Another way to the others

It turned purple and black and orange

Im thinking that it reacted that way because of the grain and the feel and how it was made