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### 10 Cards in this Set

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 In the metric system, what units do we use to measure: Length? Volume? Mass? Meter Cubic Meter Gram Convert the following problems using the metric system: a. 25km ____________ m b. 250L _____________ ml c. 31,768mg __________ kg d. 166mg ________cg _______g _______kg a. 25,000 b. 250,000 c. .031768 d. 16.6cg .166g .000166kg Name the three type of graphs we can use for data collection. line, bar, circle What is the tool used to measure volume of a liquid? graduated cylinder What is the method used to measure volume of a regular or an irregular object? regular Length x width x height irregular volume by immersion Plant A was placed in sunlight and given the recommended amount of water. Plant B was placed in sunlight and given the same amout of water and fertilizer each day. Plant C was placed in sunlight and given the same amount of water and fertilizer each day, but a different amount than Plant B. What is the control? Plant A, it didn't have fertilizer. What is the scientific method , and what are the steps? Steps to follow to try to solve problems. 1.Question 2.Hypothesis 3.Plan 4.Experiment 5.Data 6.Analysis 7.Conclusion What is a hypothesis, and give an example? A prediction or statement that can be tested Ex. I predict the starch will turn blue. Compare and contrast independent and dependent variables. Independent-a varible that can be changed Dependent-the factor being measured What is the difference between precision and accuracy? Precision-how close measurments are Accuracy-compares measurement to true value