Science and the Natural World
Thinking Like a Scientist
Measurement
Mathematics and Science
Graphs and inquiry
100
Observing
What is using one or more of your senses to gather information.
100
Skepticism
What is having an attitude of doubt that keeps scientists from accepting ideas that may be untrue.
100
Metric System
What is a measurement system based on the number 10 that modern scientists use?
100
Estimation
What is an appropriate number based on reasonable assumptions.
100
Line graph
What displays data that shows how one variable (the dependent variable) changes in response to another variable (independent variable)?
200
Inferring
What is explaining or interpreting the things you observe.
200
Ethics
What are rules that enable people to know right from wrong?
200
Meter
What is the Si unit for measuring length?
200
Accuracy
What refers to how a close a measurement is to the true or accepted value?
200
You can identify trends, make predictions, and recognize anomalous data.
What are 3 reasons line graphs are powerful tools in science?
300
Predicting
What is making a statement or a claim about what will happen in the future based on past experience or evidence.
300
Experimental bias
What is a mistake in the design of an experiment that makes a particular result more likely?
300
Mass and Weight
What is the measure of the amount of matter in an object? What is the measure of the force of gravity on an object?
300
Precision
What refers to how close a group of measurements are to each other?
300
Scientific inquiry
What are the diverse ways in which scientists study the natural world and propose explanations based on EVIDENCE they gather.
400
Evaluating
What is comparing observations and data to reach a conclusion about them.
400
Objective and Subjective
What are the 2 types of scientific reasonings? ______means you make a decision and draw conclusions based on available evidence. _______means that personal feelings have entered into a decision or conclusion.
400
The 3 methods for calculating volume of liquids, rectangular solids, and irregular solids.
What is looking for the meniscus in a graduated cylinder? What is length x width x height? What is the displacement method?
400
Percent error
What are calculations that are a way to determine how accurate an experimental value is?
400
Controlled experiment
What is an experiment called in which only one variable is manipulated (changed) at a time and everything else is kept the same?
500
independent variable and dependent variable.
What is the factor that is changed to test a hypothesis? What is the factor that changes in response to the independent variable?
500
Deductive reasoning and inductive reasoning.
What is a type of reasoning that starts with a general idea and then applies the idea to a specific observation. What is a type of reasoning that uses specific observations to make generalizations?
500
Density
What is the measure of how much mass is contained in a given volume?
500
Mean, median, mode, range.
What is the numerical average of a set of numbers? What is the middle number in a set of data? What is the number that appears the most often in a set of data? What is the difference between the greatest value and the least value?
500
Repeated trials and replication
What are a repetition of an experiment to be sure that your results were not due to chance? What is it called when another scientist repeats your experiment?