Physical quantities and measurement techniques Flashcards
SI unit for length
m, cm…
Prefix for unit
What means divide by 100
Centi (c)
Prefix for unit
What means divide by 1000
milli (m)
Small m
Prefix for unit
What means multiplied by 1000
kilo (k)
Prefix for unit
What means multiply by a million
Mega (M)
Capital M
Prefix for unit
What means multiply by billion
billion = 1000 million
Giga (G)
Convert the following
How many kilometers in 500cm
0.005km
Name of
Curve in upper surface of liquid
Meniscus
Best way to measure small quantities
Measure multiples and find the average
What is a scalar
Measurements that have a magnitude but not a specific direction
What are these measurements a type of
- distance
- Speed
- Temperature
(scalar or vector)
Scalar
What are these measurements a type of
- displacement
- Velocity
- Weight
(scalar or vector)
Vector
What is a vector
Measurements that have a specific direction and magnitude
What equipment should you use to find:
* Distance
* Volume
- Ruler
- Measuring cylinders
2 examples of:
Scalar quantities
Distance and speed
