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| an organized approach to learn how the natural world works |
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| perceiving a natural occurance that causes you to pose a question |
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| proposed explanation for the way something in the natural world functions |
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| statement that forecasts what would happen if you tested the hypothesis |
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| used to test a hypothesis and its predictions |
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| identical to the control group except for one factor |
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| provides a standard to compare the results of the experimental group to |
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| factor that makes the experimental group different from the control group |
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| another term for the independent variable |
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| factor that is affected by the independent variable |
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| a factor that doesnt change when other factors do |
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| the factor that is altered in an experiment |
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| a generally accpeted principle that explains many observations |
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| Steps of the scientific method : |
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Definition
1. State the problem
2. Hypothesis
3. Set up a controlled experiment
4. Record and analyze results
5. Conclusion
6. Repeat experiment |
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| Describe the difference between a control and a variable in an experiment. |
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| The control is what you compare the results of the experiment to but the variable is what you change about the control. |
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| metric unit for temperature : |
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| Name 10 lab safety rules. |
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Definition
1. maintain quiet behavoir
2. dont rush an experiment
3. dont eat or drink in the lab
4. use materials properly
5. tie back long hair
6. wear protective goggles and an apron
7. clean up work area
8. report injuries to teachers
9. open windows and doors for ventilation
10. know where fire equipment is |
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| 8 characteristics of living things : |
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Definition
1. highly organized with cells
2. respond to stimuli
3. homeostasis
4. metabolism
5. growth and development
6.reproduction
7. evolution |
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| maintenance of a constant level of internal conditions even though environmental conditions are constantly changing |
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| smallest unit that can perform all of life's processes |
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| degree of order within an organism's internal and external parts and its functions |
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| a physical or chemical change in the internal or external environment |
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| all the chemical reactions that take in and transform energy |
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| division and enlargement of cells |
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| the formation of two new cells from an exsisting cell |
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| the process where and organism becomes a mature adult |
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| when organisms produce new organisms like themselves |
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| list and describe the 8 processes of life |
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1. nutrition (food and water)
2. growth (cells)
3. reproduction (sexual and asexual)
4. excretion (waste)
5. secretion ( sweat, saliva, hormones)
6. respiration (breathing)
7. movement
8. response to environment |
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| compare growth and development of an organism |
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Definition
| they are both dealing with increasing cells and growing in some way |
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| compare sexual and asexual reproduction |
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| they are both dealing with reproducing something of the same type |
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| list the levels of organization starting with the atom |
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Definition
-atom
-biological molecule
-organelle
-cell
-tissues
-organ
-organ system
-organism |
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| how does growth among living things and non living things differ |
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| when living things grow they increase in size and they become more developed. however when non living things grow they just gain more of the substance they are made out of. |
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