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

لينك تحميل الملزمة
https://drive.google.com/file/d/1fWMR72H7vFyM_KvaNULZ6h26lgkbJWuM/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In This lesson:
How do fireflies beetles produce the lights they use to communicate?
Fireflies beetles are type of insects that can produce a chemical reaction inside
their bodies that allows them to light up and communicate with other fireflies.

How are fireflies used their senses to communicate?
1. Fireflies use their wings to form different flash patterns to :
- Warn off other fireflies from predators.
-Attract a mate to reproduce.

2. They flash at regular periods of time, but if there is another group of fireflies flashing nearby, they will change their own flash pattern to match the flash pattern of the other group to communicate.

The following figure shows some different types of communication in humans,
animals and both:


بالتوفيق
مستر احمد الباشا