Objectives Review procedures Define science, fact, theory, law and technology Assess prior knowledge.

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Presentation transcript:

Objectives Review procedures Define science, fact, theory, law and technology Assess prior knowledge

Screwdriver A screwdriver is a tool… used to secure screws into a piece of wood… by applying pressure and turning the handle to the right

Science Science is a tool… used to solve problems/answer questions… by gathering information How …experiments or observations Goal of science is to understand the world around us

Vocabulary Fact - truth about nature - facts are building blocks that help - facts are building blocks that help lead to larger mysteries of nature lead to larger mysteries of nature Theory -most logical explanation for the events (mysteries) of nature events (mysteries) of nature - theory is a time tested concept that - theory is a time tested concept that makes useful and dependable predictions about the world - example = theory of cell membrane - example = theory of cell membrane

Law - summarizes observed experimental facts - like a theory because time tested - like a theory because time tested but does not explain. but does not explain. - example = law of gravity - example = law of gravity Both theories and laws can change as new information becomes available

Technology Technology is the application of science Discovery of x-rays now used in medicine Discovery of x-rays now used in medicine Technology often leads to new science X-rays used to examine new crystals X-rays used to examine new crystals

Branches of Science Earth Science Geology - earth Geology - earth Meteorology - weather Meteorology - weather Astronomy - space Astronomy - space Physical Science Chemistry – study of matter Chemistry – study of matter Physics – study of energy Physics – study of energy Biology – study of life