Scientific Method | Cells | Chemistry | Lab Equipment | Miscellaneous Vocabulary |
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What is a hypothesis?
An educated guess about the relationship between variables
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Who is Robert Hooke?
He may have written about his observations using a light microscope as , "these small units I see are similar to the rooms in which monks have lived, so I will therefore name them cells."
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What is 0-14?
Range of the pH scale
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What is a meniscus?
The line used when measuring liquids, as seen in a graduated cylinder for example
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What is its density? (less dense as a solid)
A property of water that protects aquatic organisms during the winter
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What is the independent variable?
The variable that the individual or "I" change during the experiment
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What is a prokaryote?
Type of cell without a nucleus or membrane-bound organelles
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What is hydrogen?
Type of bond seen between the positive end of one water molecule and the negative end of another water molecule
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What is the eye piece and the objective lens?
The two parts of the microscope used to determine total magnification
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What is a carbohydrate?
Type of macromolecule produced during photosynthesis
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What is qualitative?
Type of descriptive data using the 5 senses
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What is a vacuole?
Seen as a larger, central organelle in plant cells, due to the fact that a plant must store its products from photosynthesis
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What is capillary action?
Plants must use water to undergo photosynthesis. This water property is seen when water travels up through the xylem from the plants' roots to its leaves
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What is the coarse adjustment knob?
This part of the microscope should only be used to make adjustments when the microscope is set to the lowest setting
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What is homeostasis?
An example of this is seen in most vertebrates - their body must maintain a certain concentration of glucose to properly function
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What is an inference?
An assumption or guess about past or future events based on prior knowledge
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What are Eubacteria and Archaebacteria?
Two kingdoms containing prokaryotes
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What is polar?
Term describing water's unevenly distributed charge - the reason why it has so many special properties
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What is a beaker or graduated cylinder?
A lab tool used to measure volume
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What are amino acids?
Building blocks of proteins
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What is a law?
Statement based on many repeated results that describes some aspect of the world
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What is cellulose?
Makes up the cell wall in plants
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What is high heat capacity?
This water property is seen when looking at temperatures across coastal regions, or any land mass adjacent to water - it shows cooler regions near water in the summer and warmer regions near water in the winter
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What is a cover slip?
Besides a glass slide, the specimen, pipette, and water, what else is needed to properly prepare a wet mount slide? (as you did when looking at your cheek cells)
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What is a nucleic acid?
Type of macromolecule found in chromosomes
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