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يذاكر   لممارسة   الاختبارات

البكتيريا الدرس: ماذا وكيف؟ - يذاكر

التعليمات

اقرأ المزيد من المعلومات حول المزيد من المعلومات حول مسبار النواة.

انقر فوق زر واحد للحصول على معلوماتك.

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نصيحة: اقرأ المعلومات الصعبة عن

1. كعب كلاين

تحتوي البكتيريا على عدد قليل من الكائنات الحية (الوزن الخفيف) يبلغ حجمها 0.00001 سم (1 سنتيمتر صغير). لقد أصبحت أفضل من أي وقت مضى وأنا أتقن استخدام المجهر.


Makkelijk   Moeilijk   Onbegrijpelijk

2. Ziekten

Bacteriën kunnen allerlei ziekten veroorzaken. Ook besmettelijke ziekten zoals tuberculose, difterie, de pest en cholera.


Makkelijk   Moeilijk   Onbegrijpelijk

3. Beschermen

Je kunt je beschermen tegen bacteriën door je goed te wassen (vooral je handen) met zeep en desinfectiegel, zonlicht, inenten en geneesmiddelen die de bacteriën doodmaken (desinfecteren).

Gelukkig zijn de meeste bacteriën goede bacteriën. Wij hebben ze zelfs nodig om gezond te blijven.


Makkelijk   Moeilijk   Onbegrijpelijk

4. Vermenigvuldigen

Bacteriën vermenigvuldigen zich heel snel. Bijvoorbeeld door hete lucht op stilstaand water.

Uit één enkele bacterie kunnen binnen één dag 70 miljoen nieuwe bacteriën ontstaan.


Makkelijk   Moeilijk   Onbegrijpelijk

5. 30 seconden regel

Als je 30 seconden lang met zeep en warm water rustig en grondig je handen wast, kun je veel ziekteverwekkende bacteriën van je handen af krijgen.

Tot voor kort was het de 20 seconden regel. Maar 20 seconden blijkt in de praktijk onvoldoende effectief.

Zing in je hoofd een liedje dat 30 seconden duurt. Dat helpt om het lang genoeg te doen.


Makkelijk   Moeilijk   Onbegrijpelijk

Kernpunten

Kernpunten om goed te onthouden zijn:

  • Bacteriën zijn onzichtbaar klein
  • Bacteriën zijn organismen
  • Bacteriën kunnen je ziek maken
  • Bacteriën groeien heel snel
  • Bacteriën houden niet van zeep

Volgende stap

Wanneer je de bovenstaande informatie een paar keer hebt doorgenomen, ga dan de oefeningen maken die hierbij horen.

Oefenen

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Primairy School Wisdoms

These are the fundamental life lessons and pieces of advice that often get instilled in us during those formative years. They might seem simple, but they lay the groundwork for how we navigate the world.

Here are 7 key wisdoms often learned (or at least introduced) in primary school:

1 - It's important to ask for help when you need it.This encourages seeking support, recognizing limitations, and understanding that it's a sign of strength, not weakness.

2 - Sharing is caring.This teaches the importance of generosity, cooperation, and considering the needs of others. It's a foundational concept for building positive relationships.

3 - Try your best.This emphasizes the importance of effort and personal growth, regardless of the outcome. It encourages a positive attitude towards challenges.

4 - Be kind to everyone. This extends beyond just treating others well; it emphasizes inclusivity, compassion, and understanding towards all individuals, regardless of their differences.

5 - Honesty is the best policy. his instills the value of truthfulness and integrity. It teaches that while being honest might be difficult sometimes, it builds trust in the long run.

6 - Everyone makes mistakes; it's okay to try again. This fosters resilience, encourages learning from errors, and reduces the fear of failure. It highlights the importance of perseverance.

7 - Listen carefully when others are speaking.This develops active listening skills, shows respect, and aids in understanding. It's crucial for effective communication.

These wisdoms are often conveyed through stories, classroom rules, teacher guidance, and interactions with peers. They form a moral and social compass that helps children navigate their early years and beyond. While we might refine or expand on these ideas as we grow, their core messages often stick with us throughout life.

Fun Animal Facts

Here are 7 fun animal facts perfect for primary school children:

1 - Male seahorses give birth to their babies: The female lays eggs in a pouch on the male's belly, and he takes care of them until they hatch.

2 - Some frogs can freeze solid in winter and thaw out alive in spring: This amazing ability helps them survive cold temperatures.

3 - Elephants are the only land animals that can't jump: Their legs are too stiff and strong.

4 - The heart of a shrimp is in its head: Imagine having your heart in a different place!

5 - A hummingbird can fly backward: They are the only birds that can fly in all directions, even upside down!

6 - Butterflies taste with their feet: They have taste sensors on their legs to find out if a leaf is good to eat.

7 - Snails can sleep for up to three years: That's a very long nap!

These are just a few of the many amazing facts about animals! The animal kingdom is full of surprises.

Country Facts

Let's explore some fun facts about 7 different countries that you might find interesting!

1 - Japan: They invented origami, the art of folding paper into cool shapes, and they have super-fast bullet trains.

2 - Australia: It's home to kangaroos and koalas, and some of its beaches have sand that squeaks when you walk on it!

3 - United Kingdom: It's home to the Queen and famous landmarks like Big Ben and the Tower of London.

4 - Brazil: This country has the Amazon rainforest, the largest rainforest in the world, full of colorful animals and plants.

5 - South Africa: It has the 'Rainbow Nation' nickname because of its many different cultures, and you can see penguins on some of its beaches!

6 - Egypt: This ancient country has amazing pyramids and the long Nile River, where crocodiles and hippos live.

7 - Turkey: It's the only country that sits on two continents (Europe and Asia) and is famous for its hot air balloon rides over Cappadocia.

We hope these snippets give you a fun glimpse into different countries around the world! Each one has its own unique and fascinating things to discover.