What are the skills that scientists use? (at least 3)
Observing, Inferring, Predicting, Classifying, Evaluating, and Making Models
100
What is the difference between cost and benefit?
Cost is a negative consequence and benefit is a positive consequence.
100
What are some SI units of measure for length, mass, and volume?
Length - Meter
Mass - Kilogram or gram
Volume - Cubic Meter or Liter
100
What is the goal of technology?
To improve the way people live.
100
What are three rules for safety during a lab?
Various answers...including, don't touch lab equipment until told, no horseplay, goggles on at all times when the lab requires goggles, etc.
200
What is a quantitative observation?
An observation that deals with numbers, or amounts.
200
What is the difference between evidence and opinion?
Evidence includes observations and conclusions that have been repeated and opinion is an idea that may be formed from evidence but not confirmed by evidence.
200
What are some tools we use to measure in the metric system? (3)
The metric ruler, the triple-beam balance, and the graduated cylinder.
200
What are the areas of technology? (Must name at least 3)
Transportation, Construction, Manufacturing, Communication, Energy and Power, Biological and Chemical.
200
What does it mean to have experimental bias?
A mistake in the design of an experiment that makes a particular result more likely.
300
How do you write a hypothesis?
If IV, then DV, because reasoning.
300
What are some fields of science? (at least 2)
Life science, Earth & Space science, and Physical science, for example.
300
What is the difference between accuracy and precision?
Accuracy refers to how close a measurement is to the true or accepted value. Precision refers to how close a group of measurements are to each other.
300
What is the difference between obsolete, current, and emerging technologies?
Obsolete technologies are no longer used. Current technologies are technologies actively used. Emerging technologies are just beginning to become widely available.
300
What is the difference between objective and subjective?
Objective means that you make decisions and draw conclusions based on evidence.
Subjective means that you use personal feelings to make a decision or conclusion.
400
What are independent, dependent, and constant variables?
Independent - what we change
Dependent - what we measure
Constant - what we keep the same
400
How do you research scientific questions?
To make decisions and design experiments, you need relevant, reliable background information.
400
Why do scientists use models?
Scientists use models to understand things they cannot observe directly.
400
What are some different branches of engineering? (Name 2)
Mechanical, chemical, civil, and electrical, as well as bioengineering and aerospace engineering.
400
What are some attitudes that help you think scientifically? (3)
Curiosity, Honesty, Creativity, Open-Mindedness and Skepticism, Ethics, Awareness of Bias
500
What are the steps of the Scientific Method?
Posing a question, Forming a Hypothesis, Collecting Information, Testing the Hypothesis, Observing & Analyzing Data, and Drawing Conclusions.
500
What are the 14 levels of organization?
Atom
Molecule
Organelle
Cell
Tissue
Organ
Organ System
Individual
Population
Community
Ecosystem
Planet
Solar System
Universe
500
What are the elements of a system?
All systems have input, process, and output. Some systems have feedback.
500
What are the steps of the Technological Design Process?
Identifying a need, researching the problem, designing a solution, building a prototype, troubleshooting and redesigning, and communicating the solution.
500
Give an example of how society has affected the work of scientists.
Various answers, including Galileo, Rachel Carson, or Ignaz Semmelweis.