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| Steps of the scientific method |
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Observation
Hypothesis
Prediction
Experiment
Conclusion
Theory |
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Educated guess
-logical inference
-prior knowledge |
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facts learned and application in life
(hypothesis supported of rejected) |
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| when same conclusion is reached by several scientists after several expiriments |
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| Steps in an Experiment (lab report) |
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Title
Purpose
background Information
Materials
Procedure
Data
Data Analysis
Conclusion |
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Begins with the word "to"
Problem |
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Qualitative and Quantitative
Includes a chart AND a graph |
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| Things to Remember in an Experiment |
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| independent(manipulated)and dependent(responding, measured) |
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| kept constant (conditions) |
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| experiment with a control group and only changes at a time . A controlled experiment has a control group and an experimental group. |
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| group without variable applied/added |
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| study of microscopic organisms |
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| study of structure of human body |
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| study of function of the human body |
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| study of interaction between organisms and their environment |
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| Atom>Molecule>Macromolecule>organelle>cell>tissue>organ>system>organism>population>community>ecosystem>biome>biosphere |
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| a group of individuals that belong to the same species |
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| membrane-bound structures that carry out specific functions |
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| rimbosomes, nucleus, mitochondria |
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| an instrument that spins tubes up to 20,000 times a minute and separates cell parts based on mass. |
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| a technique in which cells are broken into parts and the different cell parts are separated using a centrifuge |
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| group of cells grown from a singe cell asexually |
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| Another name for cell culture |
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Definition
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Characteristics of living things
Mauldin High Girls R Cute |
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Definition
Metabolism
Homeostasis
Genes/Heredity
Reproduction
Cellular Organization |
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have no membrane bound organelles
(no organelles, no nucleus) |
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| contains organelles such as nucleaus, mitochondria, etc.) |
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| Organisms can be either... |
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Definition
| unicellular of multicellular |
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| Advantages of multicelled |
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| There are specialized cells to perform different functions. |
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Celsius
also known as centigrade |
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uses beams of electrons
samples are dead |
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has two lenses
samples are alive |
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| Types of Electron Microscopes |
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Definition
Scanning (SEM)
Transmission (TEM)
Scanning tunneling (STEM) |
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| Scanning Electron Microscope |
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Definition
view: surface of sample
least expensive
3-dimensional image |
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| Transmission Electron Microscope: Details |
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Definition
view:interior of sample
expensive
2-dimensional image |
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| Scanning Tunneling Electron Microscope: Details |
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Definition
view: interior and surface
Most expensive
3-dimensional image |
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Term
| Compound Microscope Lenses |
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Definition
| has 2 lenses: eyepiece (magnification of 10X) and objective lenses |
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Term
| Low power objective: Details |
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Definition
Magnification: 10X
Total Magnification: 100 |
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| High power objective:Details |
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Definition
Magnification: 40X
Total Magnification: 400 |
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| Oil immersion Magnification Information |
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Definition
Magnification: 100X
Total Magnification: 1000 |
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| to observe bacteria (compound microscope) |
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| An electron microscope is used... |
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Definition
| to view bacteria and viruses |
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Term
Most compound microscopes magnify samples to
a....(total magnification) |
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Definition
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