Discussion, video & vocabulary activity
Have you seen dogs sniffing everything? Dogs love to sniff.
Using their nose is usually the best part of their walks. Dogs sniff their
entire day. Why do you think they do that? Do we humans also sniff? When?
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VIDEO: How do dogs "see" with their
noses?
TED-Ed - 4.27
min
Video by
Alexandra Horowitz & Província Studio.
“You may have
heard the expression that dogs ‘see with their noses.’ But these creature’s
amazing nasal architecture actually reveals a whole world beyond what we can
see...” (TED-Ed)
1.Pre Watching
DISCUSSION: Look at the list below and discuss with a parter/in small groups
whether you think the statements are TRUE or FALSE.
1.When a dog’s
nose is wet sometimes it’s difficult for them to capture scents in the air.
2.Dogs can
smell different things with each nostril.
3.Dogs can
determine someone’s location simply by using their noses.
4.Unlike
humans a dog’s nose has two different areas, one for breathing and the other
for smelling.
5.Humans have
more cells than dogs in their olfatory system but dogs have them more
developed.
6.A dog’s
brains has a larger area related to smelling.
7.Humans can
remember scents as precisely as dogs can.
8.A dog can
smell everything in the street, every passing person and car.
9.A dog can
smell insects in a tree.
10Their sense
of smell is extraordinary but they cannot smell things that are not visible.
11.It’s a myth
that dogs know when someone is sick or pregnant.
12.A dog's
nose can traverse time.
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2.Watching
Segment: Play the video and find the answers to the previous activity.
3.Vocabulary
research: The terms in the box are mentioned in the video. Look them up and
find examples and further explanations.
Olfactory receptors -
Hormones - Vomeronasal organ - Thalamus
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