Chapter 1
Puoi toccare per girare la carta.
I pulsanti di controllo sono stati cambiati in modalità "navigazione".
1/10Termini in questo insieme (10)
Nanoscience
production and study of structure that have atleast 1D between 1-100 nm
Fuel Cells
device that uses fuel such as hydrogen to produce electricity
Qualitative Observations
What you can see
Quantitative Observations
What you are able to count ( always exact numbers)
mass vs weight
mass: amount of matter in a object
weight: measures the force in which gravity pulls on an object
Density
intensive property relating mass of an object to a volume
energy
capacity to do work or supply heat
intensive property
doesnt depend on amount of matter present
( ex: density )
Accuracy
how CLOSE you are to a value
Precision
How well a number of measurements agree w eachother