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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 - Be yourself.This fosters self-acceptance, individuality, and the understanding that everyone is unique and valuable in their own way. It discourages trying to fit in at the expense of one's own identity.

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

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 - 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 - 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 - 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.

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

2 - Sea otters hold hands while they sleep: This stops them from drifting apart in the ocean. How cute!

3 - A lion's roar can be heard from as far as 5 miles away: That's louder than you might think!

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

5 - A group of crows is called a murder: Isn't that a spooky name?

6 - Koalas sleep for about 18-22 hours a day: They spend most of their time resting after eating eucalyptus leaves.

7 - Bees have five eyes: They have two big compound eyes on the sides of their heads and three smaller ocelli on top.

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 - 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.

2 - Canada: It has more lakes than any other country, and it's where maple syrup, a yummy topping for pancakes, comes from!

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

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

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

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

7 - Switzerland: Famous for its delicious chocolate and cheese, and it has many tall, snowy mountains called the Alps.

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.