Read each situation and fill in the missing word about animal senses!
Fill in!
The eagle circled at 300 metres and then dived in a straight line toward a mouse. Its incredibly sharp had spotted the mouse's tiny movement in the grass.
Jacobson's organ
ears
eyes
The cobra flicked its forked in and out rapidly while exploring the new basket — it was 'reading' the chemical information in the surrounding air.
echolocation
tongue
Jacobson's organ
An ant walked in a straight line back to its nest from 30 metres away even after Priya moved it. It followed a chemical trail picked up through its .
antennae
nose
vibrations
A rescue dog found the trapped person by pressing its to every crack in the rubble — a human standing beside it could smell nothing at all.
eyes
nose
ears
A snake began moving toward the door three seconds before anyone in the room heard the knock — it had sensed the person's approaching footsteps as through the floor.
tongue
nose
vibrations
2
A student wrote these statements about snakes after a nature visit. Sort each one — is the student CORRECT or INCORRECT?
Sort it!
1Snakes have ear openings on the sides of their heads like lizards do
2The snake's tongue can both taste and smell at the same time by delivering particles to a special sense organ in the roof of its mouth
3The cobra was swaying because it was listening to the snake charmer's pungi music and enjoying the tune
4When a truck drove past, the snake in the road slithered away even before you could hear the truck clearly yourself
5Every snake in the forest is dangerous — they all produce venom that can kill humans
6On a cold morning, the snake was lying on the rock warming itself — its body temperature depends on its surroundings
7A snake flicks its tongue to collect tiny chemical particles floating in the air and 'smells' them
Correct about snakes
write sentence numbers here
Incorrect about snakes
write sentence numbers here
3
Each animal below does something remarkable. Sort each one by the MAIN special sense it is using in that situation!
Sort it!
1A spider sitting still at the centre of its web that suddenly rushed to one corner where a fly had just landed
2A dolphin catching fish in completely murky river water where no light can reach
3An owl that caught a mouse running in near-total darkness under a cloudy night sky
4A dog that found a missing child by following a trail of footsteps across a muddy field
5An eagle that spotted a tiny mouse hiding in the grass from 300 metres above
6A shark that turned and swam towards a small cut on a fish from several kilometres away
7A snake that started moving away seconds before the gardener's footsteps were audible to any human nearby
8A bat flying in a completely dark cave without bumping into the walls
