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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