7/25/2019 Specific Heat Capacity Puzzle Cards

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Substance Energy, in

joules per kg,

for a 1C

change in

temperature

air 990

copper 390

concrete 3400

cotton 1400

polystyrene 1300

water 4200

iron 450

Amanda George Page 1 19/01/2016

Clue A

What is the eect o heating some water!

"#t gets hotter$

%his rise in temperat&re shows that thewater now has more heat energy stored

inside it$

Clue B

'ome s&(stances need a lot o energy

to warm them &p) while others don*t

need so m&ch$

Question 6

Water is &sed to ill hot water (ottles or

warming (eds$ A hot (loc+ o concrete

wrapped in a cloth can also (e &sed$

Why are these two materials the (est or

warming something &p!

Question

,an yo& name a s&(stance that needs alot o energy to raise its temperat&re!

Question !

,an yo& g&ess how m&ch energy) in

-o&les) might (e needed to raise the

temperat&re o two+ilograms o iron

(y 1.,!

Clue C

Clue "

ierent s&(stances (ehae dierentlywhen heated$

#t ta+es 4200 -o&les o heat energy to

raise the temperat&re o 1+g o water

(y one degree (&t it only ta+es 450

-o&les to raise the temperat&re o 1+g

o iron (y one degree$

Clue E

Question 1

#n terms o energy transer) how is a rise in

temperat&re dierent rom a dropin

temperat&re!

Question #

What is the speciic heat capacity o

polystyrene care&l with the &nits !

Question $

,an yo& g&ess how m&ch energy) in

-o&les) might (e needed to raise the

temperat&re o 1+g o iron (y two

degrees!

7/25/2019 Specific Heat Capacity Puzzle Cards

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Amanda George Page 2 19/01/2016

Clue %

'&rprise s&rprise) all o this can (e

s&mmed &p (y a neat little orm&la$ #t

goes li+e this

nergy transerred m 7 c 7 %

where

m mass o o(-ect

% change in temperat&re o o(-ect

c is calledspecific heat capacity the

amo&nt o energy needed to change thetemperat&re o 1+g o s&(stance (y one

degree

Question &

8o& can loo+ &p heat capacities o

dierent materials in a data (oo+$ &t

someone had to meas&re these heat

capacities at some time$

# yo& had an immersion heater which

p&t o&t heat at a +nown rate in watts)

how co&ld yo& &se it to ind o&t the

speciic heat capacity o water!

#ncl&de in yo&r answer a diagram) (riemethod) and an e:planation o what data

yo& wo&ld collect and how yo& wo&ld

present and &se it$

Question '

;ow m&ch energy wo&ld (e needed to

raise the temperat&re o a 5+g (loc+ o

concrete (y 10.,!

Question (

Write (rie notes on what speciic heat

capacity means) incl&ding the orm&la

and some sentences to e:plain it$