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Exam 1 Physics part 1
Terms in this set (46)
Science is the search for relationships that blank and blank natural phenomena.
What is science applied to meet society's needs and goals?
What is an acceptance that a statement is true, even without any evidence to support that statement?
Physics is concerned with describing the interactions of ____, _____, _____, and _____.
energy, matter, space, and time
The chair will support me when I sit on it because it looks strong
Using the principle of cushioning we can make a more comfortable chair.
Using the principle of tensile strength, we can show people how the chair supports someone when he or she sits on it.
Using the equations for kinematics we can determine that when we drop the chair it will start with an acceleration of 9.8 m/s2.
What is a systematic process to find the solution to a problem
There are two kinds of basic proportionalities in science. From the list below, select the name of these two types of scientific proportionalities.
Inverse proportion and Direct proportion
Six steps of Karl Pearson's scientific method?
Identify the problem
form a hypothesis
expand the hypothesis
test the hypothesis
evaluate the hypothesis
In an experiment, you show that as you increase the force acting on an object, the acceleration of the object also increases. This is an example of which kind of proportion?
As you increase the pressure on a gas, the volume of this gas decreases. This is what kind of proportion?
A good hypothesis is both _________ and ________.
In an experiment, you drop a ball and time how long it takes for it to fall to the ground. You then drop the ball again from a higher height and time it again. You continue this pattern for several more trials, each time you keep increasing the height and timing how long it takes to fall. In every trial, you use the same ball. For this experiment, match up the measurement in the left column to the type of variable it is from the list in the right column.
Height of drop = Independent variable
Mass of ball = Controlled variable
Time of fall = Dependent variable
any other physical quantity that will be observed during the experiment but that is not directly manipulated.
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