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What is a field of science?
Biology, Chemistry, Astronomy, and Geology
What is not a field of science?
Astrology, Phrenology, Superstition,
What is chemistry and how does it relate to you?
The study of the composition and structure of materials and the changes they undergo.
Chemistry supplies our power sources, fuel, medication, drinking water, batteries, crops, etc.
Explain what makes something a science.
Two things:
1) Scientists use old knowledge to gain new knowledge.
2) Science increases understanding of the world and how things work.
Explain and give examples of theories and laws (Big Bang, Molecular Clock, etc.).
Theories:
A set of ideas that attempts to explain why things happen the way they do in the natural world.
1) Big Bang theory
2) Atomic Theory
3)Evolution Theory
Law:
A generalization that describes a variety of behaviors in nature, but does not attempt to explain what does and will happen.
1) Gravity
2)Planetary motion.
Define and identify characteristics of matter.
Anything that has mass and volume, and takes up space, including objects you can see and gases that you cannot see.
Know and be able to use the measurements of matter: volume, length, mass, and density.
See 1.04 guided notes
Identify examples of kinetic and potential energy.
kinetic: a bike speeding down hill.
Potential: a bike at the top of a hill.
Categorize and identify the forms of energy: thermal, nuclear, radiant, etc.
thermal: has to deal with the movement of kinetic energy