Mr. Andersen explains the basics of balancing chemical equations. A visual guide shows you how to change coefficients to balance the atoms in reactants and products.

Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/peopl....e/CosmicD/sounds/725
Creative Commons Atribution License

⁣Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes (the sex cells, or egg and sperm). In humans, body (or somatic) cells are diploid, containing two sets of chromosomes (one from each parent).

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⁣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.

⁣Flowering plants grow flowers and use seeds to reproduce, or make more plants like them. Nonflowering plants do not grow flowers, and use either seeds or spores, which are very tiny parts of a plant that can be used to reproduce, to grow more plants just like them.

⁣a punctuation mark (,) indicating a pause between parts of a sentence or separating items in a list.

A song I made for extra credit in biology cl****! To the song "3" by Britney spears.

Lyrics/Vocals - David Levitz

⁣There are things you can do to help keep your eyes healthy and make sure you are seeing your best:
Eat a healthy, balanced diet. ...
Maintain a healthy weight. ...
Get regular exercise. ...
Wear sungl****es. ...
Wear protective eye wear. ...
Avoid smoking. ...
Know your family medical history. ...
Know your other risk factors.

This episode will expand on the topics:
-My Birthday
-Letter "A"
-Numeral 2
-Letter "A" Blends
-Numerals 6 & 7

⁣A family tree is a chart that shows all the people in a family over many generations and their relationship to one another. Synonyms: lineage, genealogy, line of descent, ancestral tree More Synonyms of family tree.

⁣Grade 8 Social Studies

⁣Grade 10 Commerce

Reproduction in humans

Skin as Excretory Organ 3D model - In English
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⁣In English grammar and morphology, a complex word is a word made up of two or more morphemes. Contrast with monomorphemic word. A complex word may consist of (1) a base (or root) and one or more affixes (for example, quicker), or (2) more than one root in a compound (for example, blackbird).

⁣The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.

⁣Grade 8 Social Studies

⁣Grade 10 Commerce

Surfing the web can be fun and educational, but it's important for kids to understand the potential hazards. This short video covers safety tips for your kids using the internet.

⁣A preposition is a word or group of words used before a noun, pronoun, or noun phrase to show direction, time, place, location, spatial relationships, or to introduce an object. Some examples of prepositions are words like "in," "at," "on," "of," and "to." Prepositions in English are highly idiomatic.