Science
Help!
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| six steps of the sci. method | 1) identify the problem 2) Gather information 3) Make a hypothesis 4) Test your hypothesis 5) Obsever + Record 6) Arrive at a conclusion
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| Control | Something u keep the same in every experimment
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| Inference | an obseravtion without seeing
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| Quantitative obseration | the number of things seen
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| Qualitative observation | the description of things seen
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| 1,000 | Kilo (k)
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| 100 | Hecto (h)
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| 10 | Deca (da)
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| units of metric measurment | gram, meter, liter
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| .1 | Deci (d)
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| .01 | Centi (c)
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| .001 | Milli (m)
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| Mass (measured in, device) | grams (g), balance
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| Temperature (measured in, device) | Celcius (C), thermometer
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| Length (measured in, device) | meter (m), ruler
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| Area (measured in, device, formula) | Centimeter squared (cm2), ruler, length x width
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| Liquid Volume (measured in, device) | Liter (L), graduated cylinder
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| Solid Volume (measured in, device, formula) | centimeter cubed (cm3=ml), ruler, height x length x width
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| eye peice | contains lens that magnifies 10x
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| body tube | seperates the eyepeice from the objective lenss
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| nose peice | holds the high and low power objective lenses
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| high-power objective lens | magnifies 40x
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| low-power objecitive lens | magnifies 4x
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| stage | supports the slide being used
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| stage clip | holds the slide in place
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| Diaphragm | controls the amount ot light passing through the opening of the stage
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| Mirror/light | reflects light upward through the diaphragm
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| base | supports the microscope
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| Course adjustment knob | moves the body tube for focusing the low powered objective lens
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| fine adjustment knob | moves the body tube for focusing the high powered objective lens
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| arm | suppports the body tube
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| magnification (formula) | eye peice x objective lens
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| ribosome | makes proteins
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| mitochondria | makes energy
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| Golgi Bodies | package materials
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| lysosome | breaks down & digests materials
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| endoplasmic reticulum | carries proteins & stuff fromone part of the cell to another
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| Cytoplasm | fills up empty space
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| Nucleus | directs all of the cell's activities
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| cell membrane | outside boundry, all cells, controls wut goes in and out
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| cell wall | outside of cell, forms boundry (plant only)
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| nuclear Membrane | surrounds & protects the nucleus
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| Chromatin | instructions for the nucleus
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| chloroplast | used to make food through photsynthesis, plant only
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| vacuole | Storage area of the cell
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| Osimosis | The process of water moving from an area of higher concentration to an area of lower concentration
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| Diffusion | The process of something moving from an area of higher concentration to an area of lower concentration
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| Selectively Permealble | something things can come in the cell but others can't
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| active transport | moving something by using energy
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| passive transport | moving something without using energy
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| Cell theory 3 parts | 1) all cells are made form other cells 2) all living things are made from cells 3) The cell is the fundamental unit of structure and function in living things.
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| 6 characteristics of life | reproduce, similar chemicals, grow & develope, respond to suroundings, cellular organization, use energy
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| prokaryote | bacteria, no organnells
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| eukaryote | animal & plant, organnells
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Created by:
horsefanatic63