test 1: chapter 1

Subdecks (2)

Cards (90)

  • what is chemistry?
    properties of matter and the changes matter undergoes
  • how does chemistry relate to matter?
    matter is the substance around us
  • what is science?
    the study of things around us
  • what is technology in science?
    application of knowledge for practical purposes
  • what is an example of technology in science?
    computer, phones, beakers
  • what is philosophy in science?
    systematic way of thinking, guides the use of technology
  • what is an example of philosophy in science?

    ethics
  • Can you make a solid, well-thought-out argument that's based on facts, not just opinions when operating technology knowing how it was made?

    yes, its all about making logical arguments
  • what is science not based on?
    opinion, popularity, or democracy
  • what are examples of science?
    anything that ends with "ology"
  • what are the five characteristics of science?
    reproducible, testable, tentative, predictive, explanatory
  • what are the steps in the scientific method?
    hypothesis, experiment, data analysis, and conclusion
  • what is hypothesis?
    predictive statement about a phenomenon of interest
  • what is scientific law?
    explains "how" something occurs
  • what is an example of scientific law?
    Law of gravity, law of inertia
  • what is scientific theory?
    explains "why" something occurs
  • what are examples of scientific theory?
    germ theory, kinetic molecular theory of gases
  • what is a scientific model?
    representations of scientific ideas or concepts
  • what are the limitations to scientific models?
    dimensions, size, no life, physical features
  • what are examples of scientific models?
    globe and atom
  • what is an experiment?
    data observation collection
  • what is constants in experiments?
    doesnt change
  • what is variable in experiment?
    conditions that do change
  • what is control trial in experiment?
    the conditions are known or held constant
  • scientific research: what is basic research?
    general aspects of phenomenon
  • scientific research: what is applied research?
    explores a phenomenon with an applied focus
  • how do mass and weight relate?
    they both measure matter
  • how are weight and mass different?
    mass measures matter, weight measures the force of gravity
  • what is physical property?
    physical characteristics of a substance not dependent on composition
  • what are examples of physical property?
    color, shape, state, melting point
  • what is a physical change?
    change in physical properties
  • what is an example of physical change?
    freezing water, breaking up ice
  • what is a chemical property?
    chemical characteristic of substance dependent on composition
  • what is an example of chemical properties?
    ability to burn and react to other substances
  • what are chemical changes?
    a change in chemical properties
  • what are examples of chemical changes?
    iron reacting with oxygen to form rust
  • what are the states of matter?

    solid, liquid, gas
  • states of matter: solid?
    keeps the same shape and volume
  • states of matter: liquid?
    changes shape and keeps volume
  • states of matter: gas?
    changes shape and volume