Objects that float in air

Subject : 

Basic Science and Technology

Term :

Second Term

Week:

Week 2

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Class :

Basic 2 / Primary 2/ grade 2

 

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Previous lesson : 

The pupils have previous knowledge of air in motion that was previously taught in their previous lesson on Basic Science and Technology 

Topic :

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Objects that float in air

 

Behavioural objectives :

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At the end of the lesson, the pupils should be able to

  • define objects that float in air
  • mention examples of objects that floats in air
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  • say or explain what makes those objects to float in the air
  • list the importance or benefits of objects floating in the air

 

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Instructional Materials :

  • Wall charts
  • Pictures
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  • Related Online Video
  • Flash Cards

Methods of Teaching :

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  • Class¬†Discussion
  • Group Discussion
  • Asking Questions
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  • Explanation
  • Role Modelling
  • Role Delegation
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Reference Materials :

  • Scheme of Work
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  • Online Information
  • Textbooks
  • Workbooks
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  • 9 Year Basic Education Curriculum
  • Workbooks

 

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Content :

What are objects that float in the air ? 

Objects that float in the air are thing either living or non living that can be moved from one place to another in the air .

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Examples of Living things that float in the air are 

  • birds like eagles , hawks , parrots , dove etc.
  • insects like bees , butterflies , mosquitoes , moths , etc.
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  • human beings by making use of special devices like gliders or wingsuits

Examples of Non living things that float in the air are 

  • balloons filled with hot air
  • aircrafts
  • helicopter
  • pieces of paper
  • soap bubbles
  • Feathers
  • some dead dries leaves
  • some special plant seeds
  • kites

What makes objects to Float In The Air 

  • Air pressure makes objects like aircraft to stay and float in the air during flight
  • Hot air is lighter that cold air . That makes balloons filled with hot air to float .
  • Some objects are very dried¬† , thin and light weight and that makes it very easy for them to float in the air .
  • Birds and aircrafts have wings that help them to fly in the sky

 

Importance or Benefits of objects Floating in the air 

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  • Air transportation from one place to another is possible because some objects can float in the air
  • Transfer of pollen grain or pollination is possible
  • some sports are done by making use of air glider

 

Presentation

 

The topic is presented step by step

 

Step 1:

The class teacher revises the previous topics

 

Step 2.

He introduces the new topic

 

Step 3:

The class teacher allows the pupils to give their own examples and he corrects them when the needs arise

 

 

Conclusion

The class teacher wraps up or conclude the lesson by giving out short note to summarize the topic that he or she has just taught.

The class teacher also goes round to make sure that the notes are well copied or well written by the pupils.

He or she does the necessary corrections when and where  the needs arise.

 

Evaluation

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  • Explain the meaning of wind
  • Mention three examples of violent wind
  • Write out three places that air can be found
  • What is air
  • define objects that float in air
  • mention¬† two examples of objects that floats in air
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  • say or explain three things which make objects to float in the air
  • list three importance or benefits of objects floating in the air

 

 

Assignment

Prepare for the next lesson by reading about  Making of objects like kite or paper plane  that float in air

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