Please enable JavaScript.
Coggle requires JavaScript to display documents.
What salt would make the best instant hot or cold pack? - Coggle Diagram
What salt would make the best instant hot or cold pack?
best
in terms of money
time taken to heat up or cool down
Measure in seconds using a stopwatch
Measure in minutes using a stopwatch
Highest or lowest temperature within a given timeframe
how much the temperature changes
Celcius, Fahrenheit, kelvin
How long does it sustain the temperature
Heat guns
Easy to dispose
environment freindly
Does it affect sea life?
pollution
Does it cause clogging when disposed
time taken to return to room temperature
temperature
hot or cold
salt used to make cold pack
potassium nitrate
potassium chloride
urea
Salt to make hot pack
How many types of salt
Celcius, fahrenheit, kelvin
Concentration of salt
dependent variable
temperature
Concentration of NaCl
Time
seconds?
Minutes?
Hours?
Independent variable
The type of salt
Concentrarion
water
Distilled?
Cold?
Warm?
Spring?
Sparkling?
amount of salt