What is physics?
physics is a branch of what field
science
what is the scientific method?
a series of steps used by scientists to observe, question, hypothesis, experiment, collect data, analyze and communicate findings
what is used as a representation of something that is often too difficult (or impossible) to study directly
model
fundamental unit for length and its abbreviation
meter
How many significant figures exist in the following number: 0084.00
4
what 2 scientific theories are included in modern physics that are not in classic physics
modern has the theory of relativity and quantum mechanics
Give 2 benefits of using the metric system
universal application
units of ten
easy to convert between units
how close together repeated measurements are
precision
fundamental unit for mass and its abbreviation
kilogram kg
how many significant figures exist in the following number: 0.000024
significant
Give an example of physics used in everyday life
GPS, satellites, cell phones, AI, etc
how does one test a hypothesis?
experiment
how close a measurement is to the correct value
accuracy
accuracy and precision of a measurement system determine the _______________. Describes how much your measured value deviates from the actual value that object has
uncertainty
How many significant figures exist in the following number:
5.000
4
before the invention of telescopes and microscopes what type of physics did early civilizations study?
kinematics (motion), dynamics, simple machines
When graphing which variables exist on which axis?
independent- x axis dependent- y axis
a description of a pattern in nature that is true in all circumstances
scientific law
a combination of fundamental units is called
derived
if it is unclear how many sig figs can be assumed?
3
What is the purpose of scientific notation? Correctly give the scientific notation for 83 million
to write very large and very small numbers
8.3 x 107
Physics students drop balls from differing heights and record the resulting bounce height. Correctly identify the independent and dependent variables
Independent variable- ball drop height
dependent variable- bounce height
an explanation for patterns in nature that is supported by much scientific evidence and verified multiple times by multiple researchers
scientific theory
Provide the metric prefixes from "King to Milk"
Kilo Hecto Deka deci centi milli
What type of graph is commonly used in physics and why?
line graph because it shows the relationship between variables