شرح ساينس الصف الرابع الابتدائي لغات - الفصل الدراسي الأول
شرح ساينس رابعة ابتدائي - ترم أول

لينك تحميل الملزمة
https://drive.google.com/file/d/1FPdDkckpKXgodLARthgSr3ZyR2QFNuaP/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In This Part :
▌Technology systems allow humans to communicate with each other through:
- Making phone calls.
- Sending text messages and e-mails.
▌Animals don't use technology systems as we do, but they can still use other systems to communicate with each other.
▌We will study ants and humpback whales as examples of these animals.

Ants:
▌Ants live in colonies that contain thousands of individuals.
▌Groups of ants within a colony have different roles, where they have developed systems that help them divide their work among themselves, so there are nurse ants, scout ants and soldier ants.

How do groups of ants communicate with each other?

Humpback whales:
• Humpback whales sing under water to communicate with each other, where they sing a wide range of notes (tones) and a series of songs.
•The songs of humpback whales have different sounds depending on the season, where:


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