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IPC Intro Chap. 1

What is Science?

QuestionAnswer
What system studies the principles of the world? Science
What system studies machines & other systems that meet humans? Technology
What is a tested possible explanaion of a natural event? Scientific Theory
What is a summary of an observed natural event? Scientific Law
What is applying logic & reason to observations & conclusions? Critical Thinking
What is a series of logical steps to follow in order to solve problems? Scientific Method
What is anything that can change in an experiment? Variable
Who makes objective observations? Scientist
Who also confirms results by repeating experiments & learns more by designing & conducting new experiments? Scientist
What are supported by repeated observation but may be changed when observations are made that are not consistent with predictions? Scientific Laws & Theories
What are used to represent real situations & to make predictions? Models
What is a straight line distance between any two points? Length
What is a measure of the quanity of matter in an object? Mass
What is a measure of space, such as the capacity of a container? Volume
What is fore with which gravity pulls on a quantity of matter? Weight
What kind of a method does a person ask question, collect data about the question, formss a hypothesis, tests the hypothesis, draws conclusion, & if necessary, modifies te hypothesis based on results? Scientific Method
What is an only one factor, the variable, is tested? Ideal Experiment
What has seven units? SI
What is a value written as a simple number multiplied by a power of 10? Scientific Notation
What is the degree of exactness of a measurement? Precision
What is the digits in a measurement that are known with certainty? Significant Figures
What is the extent to which a measurement approaches the true value? Accuracy
What helps you understand experimental results? Representing Scientific Data with graphs
What is useful for writing very large & very small measurements B/C it uses powers of 10 instead of Strings of Zeros? Scientific Notation
What tells others how precisely a measurement was made? Expressing Data with significant figures
Things measured by mass: Water Bottle, Measuring Cup of Oil, Butter, Coin, CD
Things measured by volume: Cube, Red Liquid in a bottle, Purple Liquid in a measuring cup & sugar in a teaspoon.
Things measured by length: Diameter of coins, Football Field, pencil.
Why is scientific method similar to critical thinking? Scientific Method: a series of logical steps to follow in order to solve problems. Critical Thinking: applying logic & reason to observations & conclusions.
What is a hypothesis? A prediction
How is a hypothesis used? By doing a prediction before doing experiments.
Why should no experiments be called no failure? They're all observations of real happenings in the world.
How are scientists tools related to science & technology? Sometimes scientists need more than observations & they would need microscope or other tools to test their hypothesis
What kind of data is best displayed as a line graph? Data that changes best represented by a line graph.
What kind of data that is best displayed as a pie chart? Displayed data that are parts of a whole data, ingriedients or nutrients in a recipe.
What's the difference between accuracy & precision? Precision: the extent to which a measurement approaches the true value. Accuracy: The extent to which a measurement approaches the true value.
What is the degree of exactness of a measurement? Precision
What are the digits in a measurement that are known with certainty? Significant Figures
What is the extent to which a measurement approaches the true value? Accuracy
What is a value written as a simple number multiplied by a power of 10? Scientific Notation
Which pound weighs more: feathers or lead? Pound = Pound
What is not included in physical science? Zoology
What science deals most with energy & forces? Physics
What do superconductors use to build computers? Technology
What does a balance use to measure? Mass
What is an SI base unit? ?
What is the quantity 5.85 X 104 m is equivalent? 58500 meters
What has 2 significant figures? ?
What is the composition of mixture of gases that makes up our air is best represented on what kind of graph? Pie Chart
What results you expect is an example? Scientific Method
Created by: Tkelley8