What is Science?
The systematic study of natural events and conditions...
Science
procedure of studying something under controlled conditions...
experiment
A description that includes a number and a unit...
measurement
facts figures and other evidence...
data
Cannot be proven or disproven...
Pseudoscience
Changes as a result of the independent variable...
dependent variable
The International System of Units (SI). AKA - ...
metric system
What do graphs show?
Show data and comparisons
Why should you be skeptical of some advertisements?
Could be fake
Another way of saying independent variable...
manipulated variable
List one advantage of using the SI
(Answers may vary)
ex. provides a common language for scientists around the world
What are the uses of simulations?
- To test designs in a controlled environment
- To test designs in a safer, less expensive way
Name 2 traits of pseudoscience
(Answers may vary)
ex. #1) cannot be proven or disproven
ex. #2) sometimes there's no evidence at all
Why should hypothesis be testable?
because otherwise you can't prove it true or false
Describe the difference between precision and accuracy.
Accuracy describes how correct or right something is and precision describes how exact something is.
What is one advantage and one disadvantage of physical models?
Advantage - Easier and safer to work with
Disadvantage - Not always like the real thing
People may be scared of or against science because...
(Answers may vary)
ex. Have been taught one thing and have their mind set on that (The Bible)
Scientific ideas must be 1) testable and 2) reproducible. Define these two terms.
testable - can test your idea in an experiment
reproducible - can make the same exact experiment again
What are the 6 base SI units? ex. length=(units)
length=meters, mass=kilograms, time=seconds, temperature=kelvin, volume=cubic meters or liters, weight=newton
What is one advantage and one disadvantage of mathematical models?
Advantage - They are powerful predictors
Disadvantage - Can be oversimplified