Summer Spelling

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Click on the beach balls in the correct order to spell the words in the list.

The game will count down from 400 seconds.
You will lose 5 seconds for each incorrect letter.

Words:
precaution
irradiation
chain
reaction
nuclear
fission
Becquerel
activity
count-rate
background
radiation
spontaneous
Score: 400
Wrong letter!
-5 points
Bonus!
+5 points
got that letter!
+5 points for them
Moving on to the next word...
r
a
d
i
a
t
i
o
n