The kernels are a seed and when you heat it up, the inside turns into steam. The steam pushes on the inside of the shell. The shell explodes and turns into popcorn that you can eat(diagram included in published work).
Roman (Year 3)
Tipuranga Room 16's Blog: 'Empowering a Community of Learners'
Showing posts with label Explanation. Show all posts
Showing posts with label Explanation. Show all posts
Thursday, March 15, 2012
How Popcorn Kernels Turn Into Popcorn
There is a tiny bit of water in the kernel that heats up and steams and tries to boil, but the hull traps it in there. When the pressure gets too great, the kernel turns inside out and turns into popcorn. (diagram included in published copy)
Jamie (Year 3)
How Does Popcorn Pop?
This is how popcorn pops. When the heat goes on the seed it makes steam in the seed and it gets really hot, like a classroom full of children! Then it explodes and turns inside outbecause it is too much for it. It turns into a fluffy piece of yummy popcorn.
(diagram included in published copy)
Harry (Year 4)
Popcorn
The inside of the popcorn seed boils until it is very hot, then the water turns into steam. The steam really wants to get out of the popcorn seed. It pushes and pushes and pushes until it explodes and it turns inside out. Then it is fluffy creamy-white popcorn. They are very different shapes and sizes - some are bumpy, some look like bumble bees and some look like ballerinas.
( diagram was included on her published copy)
Georgie ( Year 4)
How Popcorn Pops!
The seed has a little water in it and the heat turns the water into steam. The steam is kept in the seed. The hull (shell) traps the steam and the steam pushes and pushes until the power is so great. The seed turns inside out and the starch turns into fluffy white popcorn and the hull is soft. ( Diagram included in published copy)
Otis (Year 3)
Otis (Year 3)
Thursday, September 10, 2009
What is an Earthquake?
What Is An Earthquake?
An earthquake ia a sudden shaking of the earthquake. The main place area an eathquake stirkes is called the hypocentre. When the waves are the strongest they have reached the epicentre.
The Waves
There are two different types of waves: the P-wave and the S-wave. The P-waves or primary or push waves come firts and cause the loud rumbling noise. The S-waves, secondary or shear waves come second and cause the main rolling part of an earthquake.
How Do You Measure Earthquakes?
You measure earthquakes with a Richter scale or a seismograph. A Richter scale is easier to use because it is from technology. The seismograph just tells you the size of the waves.
The Fault Lines and Plates
Fault lines are the middle of two different plates. New Zealnad is half on one plate and half on another. Those particular platesare called the Australian Plate and one of the main plates, the Pacific Plate.
How are Volcanoes Related to Earthquakes?
Earthquakes actually cause volcanoes and this is how they do it:
First, they make the plates push together and over years grow into a mountain. After another couple of years, in some mountains, a vent forms in the middle, where the larva comes out of. That is how earthquakes make volcanoes.
If you are ever in an earthquake you should make sure you have all your survival items.
An earthquake ia a sudden shaking of the earthquake. The main place area an eathquake stirkes is called the hypocentre. When the waves are the strongest they have reached the epicentre.
The Waves
There are two different types of waves: the P-wave and the S-wave. The P-waves or primary or push waves come firts and cause the loud rumbling noise. The S-waves, secondary or shear waves come second and cause the main rolling part of an earthquake.
How Do You Measure Earthquakes?
You measure earthquakes with a Richter scale or a seismograph. A Richter scale is easier to use because it is from technology. The seismograph just tells you the size of the waves.
The Fault Lines and Plates
Fault lines are the middle of two different plates. New Zealnad is half on one plate and half on another. Those particular platesare called the Australian Plate and one of the main plates, the Pacific Plate.
How are Volcanoes Related to Earthquakes?
Earthquakes actually cause volcanoes and this is how they do it:
First, they make the plates push together and over years grow into a mountain. After another couple of years, in some mountains, a vent forms in the middle, where the larva comes out of. That is how earthquakes make volcanoes.
If you are ever in an earthquake you should make sure you have all your survival items.
Tuesday, September 8, 2009
What is an Earthquake?
Earthquakes happen when the plates crash together.
An earthquake happens when rocks move suddenly and pressure builds up and the rocks come under stress.
Earthquakes shake the earth and cause things to fall down.
A famous New Zealand earthquake was in Napier and killed 161 people and made lots of people homeless.
Ethan ( aged 7 years
An earthquake happens when rocks move suddenly and pressure builds up and the rocks come under stress.
Earthquakes shake the earth and cause things to fall down.
A famous New Zealand earthquake was in Napier and killed 161 people and made lots of people homeless.
Ethan ( aged 7 years
What is an Earthquake?
An earthquake is when two plates clash together. An earthquake builds up in the hypocentre.
What causes an earthquake is when tectonic plates move around and shake the ground.
There are two different types of waves. They are called P-waves and S-waves. The P-waves stand for primary waves and the S-waves stand for secondary waves.
New Zealand's famous earthquake was the Napier and Hastings earthquake. It was seventy-eight years ago.
Be prepared for an earthquake. It could happen any second.
Max Swift ( aged 7 years)
What causes an earthquake is when tectonic plates move around and shake the ground.
There are two different types of waves. They are called P-waves and S-waves. The P-waves stand for primary waves and the S-waves stand for secondary waves.
New Zealand's famous earthquake was the Napier and Hastings earthquake. It was seventy-eight years ago.
Be prepared for an earthquake. It could happen any second.
Max Swift ( aged 7 years)
What is an Earthquake?
Earthquakes happen when two tectonic plates push together. Some big earthquakes can cause tsunamis and volcanoes. When the earth shakes beneath your feet, that's an earthquake.
Earthquakes can cause other dangerous thibgs like cracks in roads and any other place. Earthquakes start at the hypocentre, then build up tp the epicentre. Most earhtquakes happen in the 'Ring of Fire'.
The first machine to measure earthquakes was made by a Chinese scientist. His name was Chang Heng. Sometimes there is a fore shock which is before the main shock, then there's the after shock.
There ar 19 btectonic plates around the world. More than 300 000 earthquakes are felt a year. The worst earthquake happens when two plates scape together and get stuck. The biggest tectonic plate is the Antarctic Plate, then the Northern American Plate, then the Pacific Plate.
There are two different tupes of waves i nearthquakes - a primary wave and a secondary wave, but they can also be called push and sear waves.
More than 100 to 150 earthquakes can be felt each year in New Zealand. and thousands around the world. The worst earthquake is New Zealand was the 1931 Napier earthquake. This earthquakes was 7.8 on the Richter scale. It caused heaps of damage through the city and out on farms, with cracks. Another bad earthquake, The Wellington earthquake which was 8.2. The worst earthquake in the world was the Chile earthquake which was 9.5 and the Alaskan earthquake which was 9.2, but only 131 were killed.
Just remember that if there is an earthquake - drop, cover and hold.
Gregor Findlay ( aged 8 years)
Earthquakes can cause other dangerous thibgs like cracks in roads and any other place. Earthquakes start at the hypocentre, then build up tp the epicentre. Most earhtquakes happen in the 'Ring of Fire'.
The first machine to measure earthquakes was made by a Chinese scientist. His name was Chang Heng. Sometimes there is a fore shock which is before the main shock, then there's the after shock.
There ar 19 btectonic plates around the world. More than 300 000 earthquakes are felt a year. The worst earthquake happens when two plates scape together and get stuck. The biggest tectonic plate is the Antarctic Plate, then the Northern American Plate, then the Pacific Plate.
There are two different tupes of waves i nearthquakes - a primary wave and a secondary wave, but they can also be called push and sear waves.
More than 100 to 150 earthquakes can be felt each year in New Zealand. and thousands around the world. The worst earthquake is New Zealand was the 1931 Napier earthquake. This earthquakes was 7.8 on the Richter scale. It caused heaps of damage through the city and out on farms, with cracks. Another bad earthquake, The Wellington earthquake which was 8.2. The worst earthquake in the world was the Chile earthquake which was 9.5 and the Alaskan earthquake which was 9.2, but only 131 were killed.
Just remember that if there is an earthquake - drop, cover and hold.
Gregor Findlay ( aged 8 years)
What is an Earthquake?
An erathquake happens when two plates crash together. Little earthquakes happen every day. A little earthquake is called a tremor. An earthquake starts deep down in the hypocentre and just above this is the epicentre.
Earthquakes can trigger landslides. Tectonic plates are always moving. Most earthquakes happen on a fault. New Zealand is on the edge of the Pacific and Australian plates. Earthquakes cause vibration waves which are the P-waves and the S-waves. P-waves are short for primary waves and S-waves are short for secondary waves. First ther is a primary wave that gives the shake and the secondary wave follows on.
The primary wave is twenty times faster thasn a jet plane and they go 20 000 kms per hour and the secondary waves go 10 000 km per hour.
Earthquakes are caused by plates moving over, under or past each other. Earthquakes can cause tsunamis.
New Zealand has up to 1500 to 2000 earthquakes every year but hardly any can be felt.
Written by Caitlin Roberts ( aged 7 years)
Earthquakes can trigger landslides. Tectonic plates are always moving. Most earthquakes happen on a fault. New Zealand is on the edge of the Pacific and Australian plates. Earthquakes cause vibration waves which are the P-waves and the S-waves. P-waves are short for primary waves and S-waves are short for secondary waves. First ther is a primary wave that gives the shake and the secondary wave follows on.
The primary wave is twenty times faster thasn a jet plane and they go 20 000 kms per hour and the secondary waves go 10 000 km per hour.
Earthquakes are caused by plates moving over, under or past each other. Earthquakes can cause tsunamis.
New Zealand has up to 1500 to 2000 earthquakes every year but hardly any can be felt.
Written by Caitlin Roberts ( aged 7 years)
Wednesday, September 2, 2009
Cause and Effect
We have been learning about cause & effect and after assessing our explanations we relaised that we need to do some more. We have done some extra work in reading. Go to these sites and practise at home.
Find out how to do cause & effect(information)
Play this matching game
Another matching game - find the matching pairs of cause & effect
Find out how to do cause & effect(information)Play this matching game
Another matching game - find the matching pairs of cause & effect
Monday, August 31, 2009
What is an Earthquake?
We looked at lots of models for explanations from reading books and exemplars.Then we wrote success criteria we wrote for our explanations..,.
- I wrote a title (a question)
- I wrote an introduction - said what an earthquake is
- I used paragraphs to organise my ideas
- I used cause and effect
- I used an ending (summary)- include the main points or an interesting comment about earthquakes
- I used different sentences and sentence beginnings
- I used earthquake words - eg faults, S-waves, p-waves, tremor,
- I used verbs (doing words) like shakes, trembles, rumbles, clash
- I wrote in present tense - now
- I used capitals, full stops, commas, question marks in the right places
- My explanation was clear and easy to read
- I used a bibliography ( a list of books, web sites)
- I sampled and corrected some words on my own
- I checked my explanation ( proof-read)
- I changed some sentences to make them better (edits)
- I self or peer assessed
Tuesday, August 25, 2009
Drawing Diagrams
WALT... draw and label a diagram to help people understand a science idea
A few weeks ago we developed success criteria after looking at lots of diagrams. We discussed the importance of a diagram in visual communication. Drawing scientific diagrams and drawings has helped our observation and drawing skills. We drew examples of faults and S & P waves. We labelled the parts to give more meaning to the diagram. We also included a title. We plan to use some of our skills and knowledge of diagrams in our explanations. They will help explain what we writing visually.
Here are some examples of diagrams we viewed and analysed.
Thursday, September 11, 2008
Explanation Criteria
These are all the things we need to include in our explanation writing.We read lots of explanations and discussed what was important to include in our explanations about levers
Criteria
Use an opening statement or sentence eg a definition
Write an ending or summary statement/sentence
Use time connectives (next, later. firstly)
Use Science words
Use cause and effect (because, so, then, so, if)
Use the present tense
Use paragraphs when stating new ideas
Confirm each sentence (capitals and full stops)
Use notes to write full sentences
Write in a logical order
Include diagrams and labels to help the reader understand
Write a title(may be a question eg How does and lever work? or What is a lever?)
Use action words (verbs)
Use pronouns (their, they them)
Proof-read and edit our work
Publish by hand or on computer
Write an ending or summary statement/sentence
Use time connectives (next, later. firstly)
Use Science words
Use cause and effect (because, so, then, so, if)
Use the present tense
Use paragraphs when stating new ideas
Confirm each sentence (capitals and full stops)
Use notes to write full sentences
Write in a logical order
Include diagrams and labels to help the reader understand
Write a title(may be a question eg How does and lever work? or What is a lever?)
Use action words (verbs)
Use pronouns (their, they them)
Proof-read and edit our work
Publish by hand or on computer
Levers
Levers
Levers make work way easier. They are a type of simple machine.
A lever has a fulcrum, a force and a load. Levers lift heavy weights and are used to pull nails out of walls.
Levers have classes. One is the first class, two is the second class and three is the third class.
A lever helps us because it lifts heavy weights from here to there. A wheelbarrow is a lever, it helps to shift heavy rocks.
Levers are important because people need to use them at some time in their lives for building, lifting and shifting.
By Max
Levers make work way easier. They are a type of simple machine.
A lever has a fulcrum, a force and a load. Levers lift heavy weights and are used to pull nails out of walls.
Levers have classes. One is the first class, two is the second class and three is the third class.
A lever helps us because it lifts heavy weights from here to there. A wheelbarrow is a lever, it helps to shift heavy rocks.
Levers are important because people need to use them at some time in their lives for building, lifting and shifting.
By Max
Lever Explanation
Levers
A lever is a simple machine and simple machines make work easier.
A lever is a straight rod or board. It is like a hand shovel. A lever is made out of 3 main parts, the fulcrum, load and effort.
There are three types of levers – third class, second class and first class. Here is a diagram of the different levers.
A lever helps people by lifting heavy things a lot quicker and easier.
Without a lever people would struggle to move heavy things.
By Jake
A lever is a simple machine and simple machines make work easier.
A lever is a straight rod or board. It is like a hand shovel. A lever is made out of 3 main parts, the fulcrum, load and effort.
There are three types of levers – third class, second class and first class. Here is a diagram of the different levers.
A lever helps people by lifting heavy things a lot quicker and easier.
Without a lever people would struggle to move heavy things.
By Jake
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