a _ _ _ y
apply
s_ _ _ g
sting
M_______________________
mosquitoes/ Mosquito
che_ _ _ _ _
chemical
Who invented the bug spray?
The U.S. Army
What chemical is used in some bug sprays?
DEET
p _ _ _ _ _ l
painful
Other bug sprays that do not contain DEET are not effective and strong as the other. O? X?
X, they are just as same
What is the first step to use bug spray safely?
Don't use it if you have open cuts on your skin
p_ _ _ _ _ _y
properly
When did the bug spray invented?
In 1940s
p_ _ _ _ _ _ _ _s
poisonous
i _ _ _ _ t
invent
There are also other bug sprays do not contain some DEET. O? X?
X, not some/ Any DEET
Why did they invented the bug spray?
To protect its soldiers
i _ _ _ _ t
insect
Some people do not like the _ _ _ _ _ of DEET
smell
l _ _ _ _
label
i _ _ _ y
itchy
i_ _ _ _ _ _ _ _ y
improperly
ef_ _ _ _ _ _ e
effective
Be sure to wash your skin with _____________________________ after using it
soap and water
What did some scientists say about DEET? ( 2 things)
It is poisonous and can kill people if they use improperly
c_ _ t_ _ _
contain