What is volume?
the space occupied by an object
what is meniscus?
curved upper surface of a liquid
what is displacement?
moving something to another place
what is immerse?
to cover something in a fluid (usually water) so that the object is submerged.
what is mass?
the quantity of matter a body is composed of; mass cause the object to resist changes in its motion and causes it to have a gravitational attraction for other objects
what is density?
the ratio of mass to volume for a substance
what is analogue?
display has hands (or a needle) and is often not very precise
what is digital?
display shows numbers and is often precise
what is precision?
when several readings are close together when measuring the same value
what is plumb bob?
a mass of hanging from a string to define a vertical line
what is oscillation?
a repetitive motion or vibration
what is period?
the time for one complete oscillation or wave; the time it takes an object to return to its original position
what is scalar quantity?
is something that has magnitude but no direction
what is force?
th action of one body on a second body; unbalanced forces cause changes in speed, shape or direction
what is vector quantity?
has both magnitude (size) and direction
what is speed?
the distance travelled by an object per unit of time
what is velocity?
the speed of an object in a stead direction
what is average speed?
the speed calculated from total distance travelled divided by total time taken
