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Science Midterm hms
| Question | Answer |
|---|---|
| Rocks are made of? | minerals |
| what are the advantages of manufactered fertilizer? | *faster *easier *can buy speicific kind |
| what are the disadvantages of manufactered fertilizer? | *slower *expensive *washes away easily *not good for earth |
| what are the advantages of organic fertilizer? | *healthier *works better *doesn't wash away easily |
| what are the disadvantages of organic fertilizer? | *slower *stinks |
| how is an igneous rock formed? | by the cooling of magma |
| how is a sedimentary rock formed? | by the compressing of sediments |
| how is a metamorphic rock formed? | by heat and pressure |
| list the causes of the dust bowl | MOTHER NATURE: *high winds *drought *dry topsoil FARMERS: *removal of native plants *dug up nutrients |
| what is Moh's hardness scale? where do copper and glass fit on this scale? | the ranking of the hardness of each rock. glass is harder then copper |
| what are the bet properties to classify a mineral? | *hardness *reaction to acid *luster |
| is sand the biggest, smallest, or medium | biggest |
| is clay the biggest, smallest, or medium | smallest |
| is silt the biggest, smallest, or medium | medium |
| whats the texture of sand? | grainy |
| what is the texture of silt | silky |
| what is the texture of clay | sticky |
| make a quantitive observation about your kitchen | ex= 1 refridgerator |
| make a qualititve observation about your kitchen | ex= the counter tops are marble |
| how do you measure in milliliters? | used to measure volume (liquid) |
| how do you measure in millimeters? | used to measure length |
| what is a control sample and why is it important? | the part of the experiment that stays the same. important because you can compare before and after. |
| what are all the things that can protect the body from illness | skin, mucus, coughing, sneezing, immune systems, white blood cells, tears, saliva |
| why is it important to take the full course of antibiotics? | so you make sure all the bacteria is killed |
| what microbs do antibiotics kill | bacterial |
| what microbs could you see under our schools's microscopes at 4x or 10x? | protists and bacteria |
| the _______ the magnifacation, the _______ field of view | the higher the magnifacation, the smaller field of view |
| the _______ the magnifacation, the _______ field of view | the lower the magnifacation, the bigger field of view |
| what is the germ theory of disease? | the period of time where cells and microbs where being discovered by scientists |
| what are the tradeoffs of quarantining someone | alone, socially isolated |
| what is a vector? give an example | a vector is any organism other then a human that can carry a disease but not showing anh symptoms itself. flea,tick,misquito |
| what are the parts of the microscope? | body tube, eyepiece, objectives, revolving nosepiece , stage, stage clips, diaphram, course adjustment knob, fine adjustment knob, arm, base,light source |
| how do you calculate the the total magnifacation? | by multiplying the eyepiece magnifacation and the objective magnifacation |
| name the parts of the cell | cytoplasm, organelles, nucleus, nuclear membrane,cell membrane,cell wall |
Created by:
annamartinko
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