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1st semester science
| Question | Answer |
|---|---|
| what are the steps to the scientific method | observe,hypothisis,plan,data,conclusion,next steps |
| why do scientist use the scientific method | scientist use the scientific method because it is easier tho experiment and is more orginized |
| what is another word for hand lens | magnifying glass |
| what are some diffrentces in microscope | some are compound, some use light their speciment |
| what are the observable characteristics of an object | physical proporties |
| what are peices of information that come to you directly through your senses | observations |
| where are places where you find information such as the internet,books,or experts | resorces |
| what are true information from which the resorce can be cited | facts |
| we can only see objects as they reflect _____ back to our eyes | light |
| what kind of lens is curved inward,and it makes what is seen appear smaller | concave |
| what kind of lens is curved outward and magnafies or make objects appear larger | convex |
| magnification is directly related to how curved the ______ is | lens |
| what would be used as a magnafier | a curved lens |
| who invented the single lens microscope | antovanleeweenhoek |
| what is the field of veiw as seen through the microscope | you see more of specimen |
| as power is increased on a microscope,what happens to the feild of veiw | it increases |
| what part of a microscope do you look through | the eyepeice |
| name the part of a microscope that you lay your specimen on | the stage |
| what type of microscope has 2 or more lens | compound microscope |
| who improved the compound microscope and drew the objects that he could see | robert hooke |
| what 2 cell parts do plant cells have that animal cells do not have | cell wall,chloroplasts |
| what is the smallest living body part | cells |
| which cell part surrounds the cell allowing matirials to come in and out of the cell | cell membrane |
| what cell part contains chromosomes | nucleous |
| in a plant,which cell part uses energy from the sun to make food | chloroplasts |
| which cell part is the power house of the cell | mitochondria |
| cells have differant shapes to fit their ______. | jobs |
| cells make tissues,tissues make ______,and _____ make organ _____ | organs,organs make organ systems |
| what is the bodys inner transportation system | circulatory |
| what is the major organ associated with the circulatory system | the heart |
| what system allows the exchange of gasses between the outside air and your body | respitory |
| what system breaks down food into smaller peices | digestive |
| what system allows waste to leave the body in a form of urine | urinary |
| what system works with the bones allowing the bones to move | muscular |
| what system is made up of bones | skeletal |
| the trachia and the alvoli work together as of what body system | respitory |
| what is the main function of the urinary system | to rid body of wast |
| what are the bodys chemical messangers | hermones |
| what is the name of the bodys finalle journey to adulthood | puborty |
| what are the muscles of the heart called | cardiacs |
| what are the three vessels of the circulatory system | arteries,capilaries,veins |
| what is the largest organ of the human body | the skin |
| what is natures way of recycling natural products in the environment | composting |
| what are the living and nonliving things in an area | ecosystems |
| biotic factors are all of the _______ things in an ecosystem | living |
| abiotic factors are all of the _______ things in an ecosystem | nonliving |
| a rabbitt eating grass is an example of | biotic factors |
| what are some differant areas in the world that have been split up because they are all very alike | biomes |