Practical

Question 1

Structure

Answer 1

Diagram
Procedure
Analysis (Data)
Control of capital variables 
Additional details
Safety

Question 2

What to look out for

Answer 2

Independent variable
Dependent variable
Control variable
Unique requirements (eg. Special equipment, parameters)

Question 3

Types of question

Answer 3

Investigate relationship (with or without equation given: equation y=kx^n or y=Ye^(-kt) (cooling curve)
Determine quantity (calculation to achieve quantity must be clear) 

*Can be single or double variable, for double variable fix one variable and vary other, then repeat

Question 4

Datalogger
▪︎automatically record sensors value over time
▪︎record many sensor-values in a short amount of time
▪︎record simultaneously from multiple sensors

Answer 4

Light gate: Measure speed (time taken to pass through 2 light gates at fixed distance)
Temperature sensor” measure temperature
Motion sensor: Measures position/velocity of moving object using ultrasonic pulses (does not work on small and soft objects)
Acceleration sensor: Measure Acceleration
Force sensor: Measures tension/ compression
Rotary motion sensor: Measure angular displacement, angular velocity and angular acceleration
Light intensity sensor: Uses ldr to measure light intensity
Sound sensor: sensitive microphone
Pressure sensor: Measure pressure above and below atmospheric pressure
Voltage and current sensor: ammeter and voltmeter
Hall probe sensor: Measure magnetic field strength

Question 5

Mechanics equipments

Answer 5

Time:
▪︎Stopwatch
▪︎CRO

Length:
▪︎meter rule
▪︎string
▪︎measuring tape
▪︎vernier caliper 
▪︎micrometer screw gauge
▪︎travelling microscope