bell work you are asked to write a biology textbook. what would your own definition of “science”...
TRANSCRIPT
Bell work
You are asked to write a biology textbook. What would your OWN definition of “science” be?
The Methods of ScienceA. Science studies natural patterns
1. Science is classified into three main categories:Life Science
Biology “the study of life”
Many branches of Biology
Earth Science
Physical Science
2. Science explains the natural world; explanations can change over time…for example?
– Science also aims to use those explanations to understand patterns in nature and to make useful predictions about natural events.
– What are some examples of patterns that scientists use to make predictions?
3. Scientists investigate nature by observations, experimentation, or modeling
Science deals only with the natural world.
• Science must be based on evidence, not belief.
• Evidence comes from data and is constantly being re-collected to ensure its validity.
Science, Change, and Uncertainty – Despite all of our scientific knowledge, much of
nature remains a mystery.
– Almost every major scientific discovery raises more questions than it answers. This constant change shows that science continues to advance.
– Learning about science means understanding what we know and what we don’t know.
– Science rarely “proves” anything in absolute terms
– Scientists aim for the best understanding of the natural world that current methods can reveal.
B. Scientific method - organized set of investigation procedures
1. State a problem
2. Gather information
3. Form a hypothesis or educated guess based on knowledge and observation
4. An experiment with variables is a common way to test a hypothesis
5. Analyze data from an experiment or investigation
6. Form a conclusion based on data
7. Reduce bias by keeping accurate records, using measurable data, and repeating the experiment
Prepare for Lab Tomorrow
• Read over your lab
• Answer the Pre-Lab Questions
• Don’t forget your lab safety contract!!!