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27 Cards in this Set

  • Front
  • Back

science

a way of learning about the natural world by gathering information

observing

using one or more senses to gather information

qualitative

a type of observation AND a description that doesn't involve numbers or measurements

quantitative

a type of observation AND a measurement

inferring

when you explain your observations based on prior knowledge

predicting

making a forecast of what will happen in the future

Chemistry

the study of the properties of matter and how matter changes

Physics

the study of matter and energy and how they interact AND together with Chemistry make up Physical Science

scientific inquiry

refers to the different ways scientists study the natural world

hypothesis

a possible answer to a scientific question or explanations for a set of observations

variable

factors that can change in an experiment

manipulated variable

independent variable OR the variable that is purposely changed

responding variable

dependent variable OR the variable that is expected to change

controlled experiment

an investigation in which all variables except one remain the same

data

facts, figures, and other evidence gathered through observations

graphs

a useful way to view quantitative data because they can reveal trends or patterns in the data

communicating

sharing ideas and conclusions with others through writing and speaking

scientific law

a statement that describes what scientists expect to happen every time under a particular set of conditions

scientific theory

a well-tested explanation for a wide range of observations or experimental results

technology

a way of changing the natural world to meet human needs or solve problems

engineer

someone who is trained to use both technological and scientific knowledge to solve practical problems

brainstorming

a process in which group members freely suggest any creative solutions that come to mind

constraint

any factor that limits or restricts a design

trade-off

an exchange in which one benefit is given up in order to obtain another

prototype

a working model used to test a design

troubleshooting

the process of analyzing a design problem and finding a way to fix it

system

a group of related parts that work together