click below
click below
Normal Size Small Size show me how
Science
Study Guide: Ch. 1 Sections 1-3 and Metric System
Term | Definition |
---|---|
science | a way of learning about the natural world |
What 3 skills do scientists use to learn about the natural world? | observing, inferring, predicting |
When you observe, what do you use to gather information? | one or more of your senses |
What are 2 kinds of observations made by scientists? | quantitative, qualitative |
How are the 2 types of observations made by scientists different from each other? | quantitative includes numbers, qualitative includes descriptions w/o numbers |
Give an example of a qualitative observation. | blue shirt |
Give an example of a quantitative observation. | 8 hamburgers |
inferring | explaining what you observe based on reasoning from what you already know |
What is inferring based on? | what you already know, prior knowledge |
Give an example of an inference | That bird must eat seeds. |
prediction | a forecast of what will happen in the future based on experience |
Give an example of a prediction | The hurricane will hit land tonight. |
Distinguish between observation, inference, and prediction. | observe-it's happening NOW, infer-you are saying what you observed based on PRIOR KNOWLEDGE, prediction is what WILL happen |
Name 2 careers that a physical scientist might choose. (p.9) | chemist, physicist, photographer, fireman, piano-tuner |
scientific inquiry | different ways scientists observe the natural world |
What are the processes that you would use to investigate an observation or a set of observations? (bottom of pg. 10) | 1) pose questions 2) develop hypothesis 3) design experiment 4) collect and interpret data 5) draw conclusion 6) communicate results |
Be able to determine if a question is a scientific one. Can it be investigated using the processes? (p. 11) | a scientific question can be answered based on evidence, not opinion |
variables | factors that can change in an experiment |
Be able to distinguish between manipulated (independent) variable and responding (dependent) variable. | manipulated-variable that is changed responding-variable that is expected to change |
Why is it important for scientist to interpret data correctly? | So when information is shared, it will be accurate. It will help other scientists. |
T/F There is no set path that scientific inquiry must follow. Explain | True, as you conduct your experiment, you may have unexpected results. Sometimes you may leave steps out. |
Why is communication important for scientists? | combining data may lead to more discoveries |
How might communication help in developing a better vaccine to H1N1 (swine flu) virus or to West Nile virus? | when scientist share data, it can lead the development of better vaccinations |
Give an example of a scientific model. | cells, globe, red blood cell, skeleton, model of solar system |
Why are models important? | you can't actually observe it because of it's size |
scientific law | a rule |
scientific theory | what scientists expect to happen under certain circumstances |
How do scientific laws differ from scientific theories? | theories may change, laws will not |
Example of scientific laws. | gravity |
Example of scientific theories. | everything is made of atoms |
Why is preparation important when carrying out a scientific investigation? | to be safe |
Why is it important to know where safety equipment is located in the lab? | so you can get to it quickly |
Name 3 things you can do to stay safe in the lab. | wear goggles, read directions completely before starting, waft to smell a solution |
When given a picture or a scenario, be able to: write a scientific questions, write a hypothesis based on your question, identify the MV, RV, control group and constants. | REFER TO YOUR NOTEBOOK/TEXTBOOK/MOODLE for examples |
Be able to make metric conversions for length, mass, and volume. | REFER TO YOUR NOTEBOOK/TEXTBOOK/MOODLE for examples |