Science
Activity that is central to scientific inquiry
What is observation?
basic unit of length
What is a meter?
The space enclosed or occupied by an object
What is volume?
Negatively charged particle found outside the nucleus
What is an electron?
Number of protons found in every atom of a particular element
What is atomic number?
A workable explanation or description of a phenomenon
What is a model?
basic unit of volume
What is a liter?
Measure of the amount of matter in an object
What is mass?
Positively charged particle found in the nucleus
What is a proton?
Weighted average of the masses of all the naturally occurring isotopes of an element
What is atomic mass?
An initial, testable explanation of a phenomenon
What is a hypothesis?
basic unit of mass
What is a gram?
Anything that has mass and occupies space
What is matter?
Neutral particle found in the nucleus
What is a neutron?
A row in the periodic table
What is period?
The basis upon which a model is assessed, taking into account how well it explains or describes a set of observations and how well the model makes predictions
What is workability?
A standardized system of measurement units used for science
What is the SI system?
Mass per unit volume of an object
What is density?
Charged atom or group of atoms that has gained or lost electrons
What is an ion?
Column of elements having similar valence electron arrangement, resulting in similar chemical properties
What is family (or group)?
Law that tells us that everything happens for a reason
What is the Law of Cause and Effect?
SI is a decimal system
Why is the SI system preferred over the US customary system of units?
Building block of all matter
What is an atom?
Atom of an element that has a different number of neutrons, resulting in a different mass number
What is an isotope?