Methods of Science Lesson 1: Understanding Science
Methods of Science Lesson 1: Understanding Science
Science: the investigation and exploration of natural events and of the new information that results from those investigations
Without thinking about it, you use science in almost everything you do
Three branches of Science Life Science: the study of living things (also called Biology) Earth Science: the study of Earth, including rocks, soils, oceans, and the atmosphere o Geology o Oceanography o Meteorology o Astronomy Physical Science: the study of matter and energy
Scientific inquiry: process that uses a set of skills to answer questions or to test ideas about the natural world
Includes possible steps: o Ask questions Observation: act of using one or more of your senses to gather information and taking note of what occurs Inference: a logical explanation of an observation that is drawn from prior knowledge or experience o Hypothesize and Predict Hypothesis: possible explanation for an observation that can be tested by scientific investigations Prediction: a statement of what will happen next in a sequence of events o Test Hypothesis Design an experiment Make a model Gather and evaluate evidence or research Collect Data/Record observations o Analyze Results: Graph Results Classify Information Make Calculations o Draw Conclusions: Conclusion: summary of the information gained from testing a hypothesis o Communicate Results Write Science Journal Articles
Speak at Science Conferences Exchange information Report it to your TEACHER
Results and conclusions from an investigation can lead to many outcomes: Technology: practical use of scientific knowledge, especially for industrial or commercial use New Materials Possible Explanations
Scientific Theory Definition: an explanation of observations or events that is based on knowledge gained from many observations and investigations Example: The theory of Plate Tectonics
Reason: Explains how the Earth's crust moves and why earthquakes and volcanoes occur.
Scientific Law Definition: a rule that describes a pattern in nature
Example: Newton's Law of Gravitational Force Reason: It will imply that if you drop an object, it will fall towards the Earth not why it will do that.
Critical Thinking: comparing what you already know with the information you are given in order to decide whether you agree with it.
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