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| 1) the process of gathering knowledge; 2) making observations and asking questions; 3) used in many careers |
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| three ways to search for answers |
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| 1) make observations; 2) do research; 3) expirement |
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| steps of the scientific method |
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| observation, question, hypothesis, draw conclusion, analyze, communicate |
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| using senses to gather info |
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| a possible explanation or answer |
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| a control group is compared with one or more experimental groups; has only 1 variable |
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| the one factor that is changed or tested in an experiment |
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| does not act exactly like the object it represents |
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| explanation of repeated observations |
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| summary of many experimental results and observations |
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| what the metric (SI) is based on |
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| it is based on the number 10 |
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| easy to convert between units and helps scientists all over the world to share results (the language of science). |
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| how prefixes work in metric system |
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| used with the SI (metric) units to make them larger or smaller |
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| amount of matter that makes up an object |
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| how do you find the volume of an irregular shaped object |
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| put the object into a graduated cylinder with water. measure the water displacement. change the units from mL to cm3 |
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| instruments to measure temp., liquid, volume, mass |
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| -temp.-thermometer; liquid volume- graduated cylinder; mass - balance; volume- metric ruler or meter stick. |
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| which measurement (area, volume, mass, temp., or density) determines if something will sink or float in water? |
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| what is the area for a square box with sides of 7m? |
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| You have a graduated cylinder with water up to the 70mL mark. You add a rock to the cylinder and the water rises to 85mL. What is the volume of the shell? |
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| After a really hard rain, Mrs. Skinner found 3 earthworms with the following lengths: 5cm, 8cm, and 10 cm. What was the average length of the earthworms? |
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