states that when different compounds are formed by the combination of the same elements, different masses of one element combine with the same mass of the other
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10
applied research
a type of scientific investigation that is undertaken to solve a specific problem
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10
gaseous state of a substance that is a liquid or a solid at room temperature
vapor
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5
graph
a visual display of data, such as a circle graph, line graph, or bar graph
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trap
No points!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 25 points!
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10
the amount of mass per unit volume
density
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15
Which of the following is a vapor?
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5
a transition of matter from one state to another
phase change
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5
A characteristic that can be observed or measured without changing the sample's composition is ________________.
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5
hypothesis
a tentative, testable statement or prediction about what has been observed
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lifesaver
Give 20 points!
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fairy
Take points!
5
10
15
20
25
shark
Other team loses 25 points!
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lifesaver
Give 25 points!
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15
dependent variable
in an experiment, the variable whose value depends on the independent variable
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10
the ratio of an error to an accepted value
percent error
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10
scientific notation
expresses any number as a number between 1 and 10 (known as a coefficient multiplied by 10 raised to a power (known as an exponent)
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10
a percentage determined by the ratio of the mass of each element to the total mass of the compound