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

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

3 - 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.

4 - 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.

5 - Clean up after yourself.This promotes responsibility, organization, and consideration for the shared environment. It's a practical life skill that extends beyond the classroom.

6 - Treat others how you want to be treated.This is the golden rule, emphasizing empathy, kindness, and respect in all interactions. It's about understanding that our actions have an impact on others.

7 - 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.

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

2 - A giraffe has the same number of bones in its neck as a human: That's right, both have seven neck bones, but a giraffe's are much, much longer!

3 - The fingerprints of a koala are so close to humans' that they could confuse crime scene investigators!

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

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

6 - chameleon's tongue can be as long as its body: They can shoot it out very quickly to catch insects.

7 - starfish doesn't have blood or a brain: They have a nervous system but no central brain, and they use seawater instead of blood.

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 - United States: It has many different landscapes, from sunny beaches in California to snowy mountains in Colorado, and it's the birthplace of Hollywood movies.

2 - China: The Great Wall of China is so long that it can be seen from space (though it's debated how easily)! They also invented paper and the compass.

3 - Kenya: You can see amazing wild animals like lions, elephants, and zebras in their natural habitats in Kenya's national parks.

4 - India: It's the birthplace of yoga and has many colorful festivals, like Holi, where people throw colored powder at each other.

5 - Thailand: You can see beautiful temples and ride on elephants in some parts of Thailand. Their food is also very tasty!

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

7 - New Zealand: It's famous for its unique bird called the kiwi (which is also the name of a fuzzy fruit!) and its beautiful green landscapes.

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.