I migliori video
020 - Ionic Bonding
In this video Paul Andersen explains how ionic solids form when cations and anions are attracted. When atoms lose or gain electrons they form ions. The strength of the attraction between ions is based on the amount of charge and the distance between the ions.
Music Attribution
Title: String Theory
Artist: Herman Jolly
http://sunsetvalley.bandcamp.c....om/track/string-theo
All of the images are licensed under creative commons and public domain licensing:
"File:Cat November 2010-1a.jpg." Wikipedia, the Free Encyclopedia, July 19, 2013. http://en.wikipedia.org/w/index.php?title=File:Cat_November_2010-1a.jpg&oldid=517556234.
"File:Chloride-ion-3D-vdW.png." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/F....ile:Chloride-ion-3D-
"File:CoulombsLaw.svg." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/File:CoulombsLaw.svg.
"File:NaCl Polyhedra.png." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/F....ile:NaCl_polyhedra.p
"File:NaCl.png." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/File:NaCl.png.
"File:Periodic Trends.svg." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/F....ile:Periodic_trends.
"File:Sodium-bromide-3D-ionic.png." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/F....ile:Sodium-bromide-3
"File:Sodium-fluoride-3D-ionic.png." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/F....ile:Sodium-fluoride-
"File:Sodium-iodide-3D-ionic.png." Wikipedia, the Free Encyclopedia. Accessed August 12, 2013. http://en.wikipedia.org/wiki/F....ile:Sodium-iodide-3D
The Plant Kingdom is made up of all different kinds of plants. Most plants are autotrophs which means that they make their own food. Plants use photosynthesis to make their own food. Plants are multi-cellular which means that they have more than one cell.
Point of view is the writer's way of deciding who is telling the story to whom. Establishing a clear point of view is important because it dictates how your reader interprets characters, events, and other important details. There are three kinds of point of view: first person, second person, and third person.
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Lyrics:
Thinking about cells
They can reproduce and divide all by themselves
One of two division forms known as mitosis
A mother cell divides into two identical daughters, perfect copy
Remember this, two identical copies, K?
Two sets of chromosomes, nucleus DNA
Most cell divisions in your body’s system used for your development
And old cells that get worn out, mitosis makes perfect copies, ah
Let’s start with the interphase
Right before mitosis takes place
The DNA within the cell is copied
And centrosomes copied, the role this will play is a key
And now we move to the prophase
where chromosomes condense into x-shapes
mitotic spindle grows, extends to opposite poles
And hey, dissolve the nuclear membrane
Metaphase is the next one
Chromosomes spindle into the middle and then they’re all lined up
Every chromosome has two kinetochores
With microtubules secured to opposite spindle poles
Hey, and how we on to the Anaphase
When sister chromatids separate
Thanks to the motor proteins
Moving along microtubules as molecular machines
Oh hello, Mr. Telo (phase!)
Almost done dividing into two, then onto cell growth
That mitotic spindle disappear
And new nuclei start to form here and here
And when the cytoplasm splits
Concurrent with telophase, it’s called cytokinesis
It’s different whether your cell is in plants or animals
Just remember after this, you have two identical cells
Inter, Pro, Meta
Ana, Telophase
Inter, Pro, Meta
Ana, Telophase
- - - - -
Lyrics and performance by Jam Campus
Instrumental composition by: https://www.fiverr.com/napbak
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Words that are hard to read, write, spell and understand are considered to be difficult words in English.
Your family members are also called your relatives. You have an immediate or nuclear family and an extended family. Your immediate family includes your father, mother and siblings. Your extended family includes all of the people in your father and mother's families.
How to write a composition in 5 steps
1 Brainstorm. Before you can start writing, you need to figure out what you're going to write about! ...
2 Outline. The next step in the writing process is creating an outline. ...
3 First draft. Finally, it's time to do some composition writing! ...
4 Edit. ...
5 Proofread.
The main parts (or sections) to an essay are the intro, body, and conclusion. In a standard short essay, five paragraphs can provide the reader with enough information in a short amount of space.
A song I made for extra credit in biology cl****! To the song "3" by Britney spears.
Lyrics/Vocals - David Levitz
The three main verb tenses are the past, present, and future, but there are also four grammatical aspects: simple, continuous, perfect, and perfect continuous.
The main organs that make up the digestive system (in order of their function) are the mouth, esophagus, stomach, small intestine, large intestine, rectum and anus. Helping them along the way are the pancreas, gall bladder and liver. Here's how these organs work together in your digestive system.
having or characterized by words of more than three syllables. Synonyms: syllabic.
A verb fills the role of the predicate in a sentence and expresses physical action, mental action, or a state of being. An adverb is a modifier that provides more information about a verb, adjective, clause, or other adverb. Adverbs can act as conjunctions or describe frequency, time, place, manner, or quality.
Script writing (or screenwriting) is the process of writing stories in the screenplay medium. Script writing is writing down the movement, actions, expression and dialogue of the characters in screenplay, in screenplay format. The process of writing a novel, a poem, or essay, is entirely different than script writing.
Here is a song I created to help my 6th grade students study. I hope you enjoy.
All the life we have seen
Interactions we study
The air, sand, water in a stream
Abiotic that we see
Now trees, animals, you know
They’re all biotic if it grows
Organisms we’ve been told
All same species, young and old
Population-same kind in place
Community-(pop’s) populations in same space
Ecosystems so you know
Nonliving and all that grows
Animals fighting for it all their life
They are struggling so they don’t die
That’s how an organism stays alive
Producers and consumers
Webs and chains, decomposers
Competition for space and food they fight
Predation it is to take a life
And then there’s symbiosis all three kinds
Mutualism, parasitism
Third in chain, commensalism
Adaptations they will thrive
All that helps them to survive
Behavioral to hunt at night
Physical-fur, teeth, large eyes
Organisms have a role
A niche that they do call their own
Animals fighting for it all their life
They are struggling so they don’t die
That’s how an organism stays alive
Producers and consumers
Webs and chains, decomposers
Competition for space and food they fight
Predation it is to take a life
And then there’s symbiosis all three kinds
Mutualism, parasitism
Third in chain, commensalism
Producers and consumers
Webs and chains, decomposers
Mutualism, parasitism
Third in chain, commensalism
Symbiosis interactions at least one bestowed
Mutualism both are happy something gained by both
Parasitism benefits parasite not host
Commensalism, one helped, other neutral
It’s like a lion or shark hunting for a soul
Predation, prey and predator-populations controlled
Competition is the struggle to survive I’m told
Like food, water, shelter, watch them battle
Animals fighting for it all their life
They are struggling so they don’t die
That’s how an organism stays alive
Producers and consumers
Webs and chains, decomposers
Competition for space and food they fight
Predation it is to take a life
And then there’s symbiosis all three kinds
Mutualism, parasitism
Third in chain, commensalism
Producers and consumers
Webs and chains, decomposers
Mutualism, parasitism
Third in chain, commensalism
Animals fighting for it all their life
They are struggling so they don’t die
That’s how an organism stays alive
Prime factorization is a process of writing all numbers as a product of primes. So, for example, say if we have something like the number 20. We can break that down into two factors. We can say, “well, that's 4 times 5.” And notice, 5 is a prime number.
Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
An exclamation mark, also known as the exclamation point, is a punctuation sign that is used to indicate strong emotions and feelings. It is used in exclamatory sentences and with interjections.
There are different types of nouns like common nouns, proper nouns, abstract nouns, collective nouns, concrete nouns and so on.