Term
List safety rules in the lab (at least 5) |
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Definition
-work under supervision -know the procedure -know how to use lab equipment -use the appropriate protective equipment -no loose clothing -no eating or drinking -no horseplay -know location of all emergency equipment |
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Term
What does WHMIS stand for? |
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Definition
Workplace, hazard, materials, information, system |
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Term
What is the purpose of WHMIS? |
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Definition
To guide workers that use hazardous materials. |
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Term
What is a chemical change? |
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Definition
Chemical changes take a/some substance(s) and create a/some new substance(s) (Ex. Breathing, digestion) |
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Term
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Definition
Change of state. No new substances are formed. |
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Term
What is solid to liquid called? |
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Definition
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Term
What is liquid to solid called? |
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Definition
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Term
What is solid to gas called? |
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Definition
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Term
What is gas-solid called? |
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Definition
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Term
What is liquid to gas called? |
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Definition
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Term
What is gas to liquid called? |
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Definition
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Term
What is KMT? What does it stand for? |
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Definition
The Kinetic Molecular theory. The idea of physical change is based on KMT. |
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Term
What is the ratio of a nucleus to an atom? (Give an example) |
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Definition
It is tiny. If the atom was the size of a football field, the nucleus would be the size of a pea. |
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Term
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Definition
Compounds are two or more elements combined together by chemical bonding. |
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Term
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Definition
They share electrons, are a non-metal. Example: Sugar, water, air. |
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Term
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Definition
Transfer electrons, both metal and non-metal, polyatomic ions (NH42) Examples: Salt (table salt, epson salts,fertilizer) |
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Term
Examples of a chemical change? |
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Definition
temperature change, bubbling/fizzing, colour change, smell/taste, heat increases (exothermic)heat decreases (endothermic) |
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Term
How many chromosomes do humans have? |
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Definition
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Term
Two special proteins are: |
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Definition
enzymes (catalysts) and hormones (messengers) |
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Term
Three types of mutations: |
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Definition
positive mutation: benefits the organism negative mutation: harms the organism neutral mutation: does nothing |
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Term
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Definition
The replacing of a negative mutation with a positive one. |
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Term
What is the most common form of asexual reproduction? |
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Definition
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Term
During growth of mitosis, what happens? |
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Definition
proteins are made, organelles are duplicated, the cell gets bigger, checkpoints |
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Term
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Definition
prophase, metaphase, anaphase, and telophase |
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Term
How many parents are required for asexual reproduction? |
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Definition
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Term
Forms of asexual reproduction are... |
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Definition
fragmentation, budding, spores, vegetive. binary fission (human assisted) |
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Term
What is therapeutic cloning for? (in humans) |
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Definition
It is used to correct health problems. Different forms of stem cells can be used for this. |
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Term
What are the forms of sexual reproduction? |
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Definition
Meiosis (gamete formation,) internal, external |
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