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Physical Science
Chapter 1
Question | Answer |
---|---|
The factor in an experimant that is changed by an experimenter | Independent Variable |
An idea, event or object | Model |
A test of a hypothesis | Experiment |
A standard for comparison that is used in an experiment | Control |
A rule of nature that tells you what will happen under certain conditions | Scientific Law |
Where the independant variable may cause changes to this variable | Dependant variable |
The amount of space occupied by an object | Volume |
A testable predication | Hypothesis |
A variable that doesn´t change in an experiment | constant |
An explanation based on many observations supported by experimantal results | Theory |
An exact quantity that people agree to use for comparison | Standard |
A measurement of the quantity of matter | mass |
What is the density formula | D=m/V |
What is the difference between mass and weight | Mass is the amount of matter in an object and weight is the amount of matter in an object plus the effect of gravity. |
What cant be answered by Science A. How do birds fly B.Is this a good song C. What is an atom D. How does a clock work | B, Is this a good song |
Which is an Example of an SI unit? A. foot B. seconds C. pound D. gallon | B. Seconds |
1/1000 is expressed by which prefix A.Kilo- B. Nano- C. Centi- D. Milli- | D. Milli- |
What is a SI Based? A. inches B. powers of five C. English units D. powers of ten | D. powers of ten |
What is the symbol for deciliter | dL |
Which one is not a drived unit? A. dm cubed B. m C. cm cubed D. g/ml | m |