8/23/10
Post date: Aug 22, 2010 5:31:18 PM
Finish mystery tubes
revised models
additional data to support
what happens if new data disproves our theory?
a theory is the best explanation we can make with the data we have
laws are a different type of knowledge - a set of observations that ALWAYS occur in a given situation (Newton’s law of gravitation, Ohm’s law)
create a law related to tubes
THEORIES NEVER BECOME LAWS
Quiz
How do we know we have the right answer in science?
Describe the differences between hypothesis, theory, and law
Go over folders, create table of contents
Matter is the "stuff" that makes up our world. Anything that has mass and takes up space is matter
Includes solids, such as wood or rocks
Includes liquids, such as water or hot lava
Includes gases, such as air or water vapor
Does not include energy, such as heat, light, or sound.
Chemistry is the study of matter and its changes
We call the amount of matter in an object its mass
Copper Wire Lab - due Thursday, 1/7