P1.1 - Physical Quantities & Measurement Flashcards
1
Q
What is a physical quantity? [2]
A
- can be measured
- can be assigned some units
2
Q
What is the S.I unit for length? [1]
A
metre (m)
3
Q
What is the S.I unit for mass? [1]
A
kilograms (kg)
4
Q
What is the S.I unit for time? [1]
A
seconds (s)
5
Q
What is the S.I unit for temperature? [1]
A
degrees celcius, farenheit and kelvin
6
Q
What is used to measure length? [3]
A
ruler, scale, measuring tape
7
Q
What is used to measure mass? [1]
A
balance
8
Q
What is used to measure time? [3]
A
stopwatch, timer, clock
9
Q
What is used to measure angle? [1]
A
protractor
10
Q
What is used to measure volume? [1]
A
measuring cylinder
11
Q
What is a vernier calliper? [2]
A
- equipment
- used to measure to 100cm
12
Q
What is a micro metre screw gauge? [2]
A
- equipment
- can measure to 1/100th of a mm
13
Q
What is a scalar quantity? [2]
A
it only has magnitudes
14
Q
What does magnitude mean? [1]
A
size
15
Q
What is a vector quantity? [1]
A
it has magnitude and direction
