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

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