Page 4 - Science B.B Prim.4 concept 2&3 t.1 e-book _2024-2025. - Copy (1)_Neat

Unit1 Conc2: Senses at Work

Animals have sense like humans that enable them to communicate
with each other and adapt to their environment.

Dolphins The super sense of dolphin is hearing.

-The dolphins use a property known as echolocation that depends on
echo to determine the location of living things and objects in the water.

Produced sound waves

Echo waves

1. Dolphins produce sound waves.
2. These sound waves hit objects then return back to the

dolphin in the form of echo.

3. Echo helps the dolphins to locate their preys and objects.

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