Subject:  Environmental Science

Time:  2 hours

Objective: To discuss with and understand how measuring rainfall will help us predict the rain forecast for farmers.

Learning outcome: 

1) Children will know about the importance of water and rain in daily life and agriculture.

2) They will appreciate the Rain prediction methods which help farmers to plan their agricultural activities.

3) They will implement rain water harvesting methods to conserve water on their own way.

Fundamentals : Seasons, importance of water

Concepts:  Formation of Rain, occurrence of seasons, Thunder, lightning, Rain harvesting methods.

Teaching Aid: Videos and images

Materials: Water bottle, craft knife and ruler.

Introduction : What are the types of crops grown around and why?(due to rainfall)

Activity instructions: Model making instructions

Procedure: Making rain gauge

• Take a water bottle and cut the bottle at its neck and place it  on another  piece  of bottle like a funnel and paste it.

• Ask children to draw a vertical line from the bottom of the bottle using a scale and marker pen. Mark the numbers on the line as it appears on scale in centimeters. And it can be used as a  Rain gauge to measure the rain fall.

• Ask them to mount this rain gauge in their school ground to measure the rainfall when it rains ,tell them to note it and observe regularly and to cross check it with varuna mitra.

Discussion and Debriefing: 

• What is rainfall and its connection with us and farmers

• Rainfall and types of forest based on rainfall (Social part of chapter-3)

• Water resources of Karnataka(Social full chapter-4)

• Fundamental resource of life and Interesting facts (How plants take water, how much water we store in body etc)

• Water as a natural resource: Pond, stream their fate.

• Role of present agriculture practice in depletion of ground water table(use of pesticides and over irrigation)

• How are we responsible for loss of drinking water or pollution of water (Vrushabhavathi Stream;Kengeri)

• Western ghat and Karnataka rainfall connection (Bangalore drinking water)

• What we can do about these problems as students; My Role:

• Discussion and note down outputs

Take home activity :Make a model of rain gauge and install in your respective farms and update the readings. Based on which we shall contact ‘Varuna Mitra’ call center and cross check the values. And contact “Raita Mitra”   for suggestions on growing crops in respective fields for the rainfall

Subject: Environmental Science

Time: 2 Hours

Objective: To understand and to realise how we are entangled in the web of plastics in our daily life.

Learning Outcome: Tomake children understand the hazardous effects of plastics on survival of living beings and to motivate children to implement 4R i.e., Refuse, Reduce, Reuse and Recycle.

Value: Social Responsibility 

Teaching Aids: Photos and videos

Materials required: Salt, weighing machine, charts, Hand-outs sheets, sketch pens, scales, kg cardboard sheets, plastics bags(reused)

Concepts: i) What is plastics and History?

 ii) Types of plastics

 iii) Advantages and disadvantages

 iv) 4R

Fundamentals: Plastic and it’s uses

Introduction: 

Skit (half an hour)

A Day without plastic

Salt activity and discussion

Procedure: 

• Ask children to list all the plastics we use in our daily life.

• Make children into groups to prepare and play the skit on the title “A day without plastic”.

• After the skit , tell them to collect all the plastic in their school surrounding and weigh it. Discuss about the advantages and disadvantages of plastic.and hazardous effects on nature.

• Ask the children to explain the same to their juniors and to take an oath to make their school plastic free.

• Discuss about 4R. Reduce, refuse, reuse and  recycle.

• Ask them to make a chart about 4R

• Ask  them to collect the plastic every week  in their school surrounding and weigh it  and note it down. 

Debriefing Activity: - video and discussion 

Collecting plastics in school surrounding, creating awareness

Take home: Collect the plastic in your school surrounding and document it.

Subject: physics

Time: 4 hours

Objective: to understand the production of sound and properties of sound waves.

Learning outcome:

1) Children will know about properties of sound and production of sound.

2)They will appreciate the applications of sound.

Concepts:  vibrations, medium waves, difference between noise and sound, animals and birds calls.

Fundamentals : Energy ,sound is a form of energy.

Teaching aids: videos ( echo related ),activities.

Materials: slinky string, tuning fork, balloon and ice cream cup, 6 glasses, mirror pieces, laser, speakers.

Introduction: Story of Pygmy tribes Arctic fox, blindfold and sound.

Brainstorming Questions

2)Why thunder comes after lightning.( Story of blind and deaf)

Activities: 1)Sound waves slinky string.

 2)Tuning fork water.

 3)Vibration Box with salt.

 4)Speed of sound in gas water and solids.

 5)Jal Tarang.

 6)Cut the Straw cut.

 7)Seeing sound light dance

Procedure: 

1. Slinky string : Use slinky string to explain transverse and longitudinal waves.

• Ask children to hold the slinky string at one end and leave the other end free.

• Ask them to wave the one end and to observe it.

2. Tuning fork and water :

• Take a glass of water and ask one student to strike the tuning fork and then hold the vibrating end of the tuning fork near the surface of the water and observe the water.

• Ask children to strike the tuning fork at different intensity and to repeat the activity.

3. Vibration box with salt :

• Take an ice cream cup .

• Take a balloon and cut it at the neck .Take the bottom end and cover it to the mouth of an ice cream cup.

• Pour some salt on it randomly.

• Strike a tuning fork and place it near the salt on a balloon. And observe.

4. Jal tarang : 

• Take 6 glasses and fill the water in each glass with different levels of water.

• Take a pencil and stick each glass observe the sound and discuss

5.  Cut the straw :

• Take a straw and keep it in mouth, while bowing cut the straw and observe the sound.

6. Seeing sound :

• Take a tin Can  remove the ends to make it a hollow cylinder.

• Take a balloon and stretch it over the Can ,then wrap a rubber band around the balloon .

• Take a small piece of mirror and stick it on the balloon at the centre.

• Allow the light to fall on mirror .and make the reflection fall on the wall

• Shout directly into the open end of the tin Can or produce some sound near the  open end . observe the light spot on the wall.

•  Cello tape can also be used instead of Tin can.

Debriefing: Discussion on Echo and Problems based related to speed, distance and time.

Subject: Physics

Time: 2 hours

Objective: This activity enables the children to explore more on properties of light and to view the application part of Origami in real life.

Learning outcome: 

1) Children will know about the working of lenses and the formation of images.

2) They will appreciate the science behind working on the human eye.

Concepts: light properties, types of lens and working.

Fundamentals: light and its properties.

Teaching aids: videos and lens

Materials required: candle, Matchbox, lens, kg cardboard, scissors, printouts, laser torch, butter sheet.

Introduction: Origami and history of camera

Activity: Making pinhole camera

Procedure: making of Pinhole camera

• Discuss about reflection, image formation in camera.

• Distribute pinhole camera printouts and guide them to cut it according to the instructions that are printed on it. And paste all the parts which are instructed to paste. so that you will get a closed  shaped box which has two openings.

• Cut the butter paper and use it as a screen to cover the larger end.

• Cut the pinhole lens according to the instructions given and make a hole with a pin ,roll  and paste it  then insert it in another end of the box..lit a candle and observe it through the pinhole camera. 

• Observe the image on butter paper and discuss .

Debriefing: working of human eye, shows the science in our body

Take home: Can we get an erect image from an inverted image?

Topic: Plant communication

Subject: biology

Time: 2 and half hours

Objective:

To make students understand that all forms of life communicate fascinatingly, with each other, with the surrounding. 

Learning outcome:

1) Children will  know and appreciate that plants respond to stimuli

2)They might not harm plants in future as they find any similarities between us and plants.

Value: Recognising and respecting life forms on earth other than humans.

Concept: seed germination, chemical communication, plant interaction with other life forms, mixed crop, to crop rotation.

Fundamentals: germination and plants have life.

Teaching aids: Activity and video.

Materials required: seeds of Ragi ,Jola, hurali Kalu ,plastic containers ,tissues, marker pen ,sprayer print out.

Introduction: story of African tribe scolding the trees,

Debate on plant intelligence.

Activity:

Procedure: 

• Take four plastic containers A,B,C,D

• In Container ‘A’ and ‘B’ place tissue paper and put some ragi  in container ‘A’ and horse gram (huruli)  in container ‘B’ . Sprinkle a few drops of water and close the containers, leaving it for 3 days.

• After 3 days carefully remove ragi and horse gram (huruli) leaving the tissue paper.

• In both the containers A and B  place 10 seeds of green gram (Hesaru kalu) and 10 seeds of corn (jola) separately.Sprinkle a few drops of water and close the containers, leaving it for 3 days.

• Take the containers C and place tissue papers and put 10 seeds of Corn(jola).Sprinkle a few drops of water and close the containers, leaving it for 3 days.

• Take the containers D and place tissue papers and put 10 seeds green grams (hesaru kalu).Sprinkle a few drops of water and close the containers, leaving it for 3 days.

• After 3 days measure the roots of seeds  in containers A,B,C,D and       note it. And discuss it.

Debriefing: discussion with Jagadish Chandra Bose video.

Take home: root measurement and studying it 2 worksheets along with explanation.

Topic: Microscopic world

Subject: Biology

Time: 6 hours

Objective: Introduction to microscope and to explore the microscopic world around us this activity will help children to magnify their curiosity.

Learning outcome:

1) Children will understand the principal components of the microscope and working of the microscope.

2)They will come to know about the difference between Plant cells and animal cells and some cell structures.

3)They will know and appreciate the diversity in the Microcosm.

They do connect the microscopic world to daily life.

Examples: fermentation of dosa batter, turning milk to curd.

Value: ಕೇಳಿದ್ದು ಸುಳ್ಳಾಗಬಹುದು ನೋಡಿದ್ದು ಸುಳ್ಳಾಗಬಹುದು ನಿಧಾನಿಸಿ ಸೂಕ್ಷ್ಮವಾಗಿ ಪರೀಕ್ಷಿಸಿ ಯೋಚಿಸಿದಾಗ ನಿಜವು ತಿಳಿಯುವುದು.

Concepts: living ,non-living, unicellular or multicellular ,difference between plant and animal cells ,working of compound microscope, dicot and monocot differences.

Fundamentals: lens, mirror reflection of light, unicellular and multicellular.

Teaching aids: permanent slides and some other slides.

Materials required: microscopes ,slides, coverslips ,droppers ,needles, forceps zero size paint brush ,leishman stain, methylene blue ,iodine, toothpicks ,tissue paper ,monocot and dicot plants ,sharp blades, distilled water ,squeezing bottles

Samples: Onion peel, bread, cheek cells, plant cells, monocot dicot, blood.

Introduction: Begin with a story that connects the microscopic world.

a) Study of monocot and dicot stem cells

Procedure: Make a thin section of the plant material and transfer it into a watch glass containing distilled water using a brush. Pick 3 or 4 sections then transfer it into a watch glass containing safranin stain using a brush.

Leave it for a couple of minutes.

Transfer the stained section to watch classes using brush to wash off excess stain. Place a stained section on a cleaned slide in the middle of the slide mounting water or glycerine using a needle, place the cover slip ,remove excess water or glycerine using blotting paper or tissue paper then observe and draw.

Tabular Column:

Take home: List monocot and dicot plants that you see.

Observe flower petals and ovaries of any flower using a microscope.

b)Blood smear:

Procedure: clean your fingertips with alcohol. Prick the fingertip with a sterilised needle.

Place a drop of Blood on one side of a clean slide.

Place another slide at an angle of 45 degree on drop of blood and make a thin smear. Let it dry for 5 minutes. Flood the slide with leishman stain and allow it to stand for 10 minutes.Add distilled water spread it evenly without touching it.Drain the excess water.Wash the slides with a squeezing bottle. Dry it and then observe under a microscope.

Topic: Blood grouping

Subject: Biology

Time: 2 hours

Objective: This activity enables children to explore blood types and transfusion.

Learning outcome: 

1) Children will know about how antigens and antibodies play an important role in blood grouping.

2) Children will appreciate the biochemical phenomenon taking place in our body like fighting against diseases, blood clotting, transport of gases, nutrients and waste materials in our body.

3) They will know the importance of donating blood to save lives .

Concepts: Components of blood, functions of blood cells, Blood antigen, blood antibody, types of blood, antigen-antibody reaction, agglutination, blood clotting.

Materials required: Blood samples, glass slides, antisera - A,B D, toothpicks, cotton, Alcohol, sterilised needles.

Procedure: Take a clean slide. Sterilise the finger tip, then prick the tip of a finger, Place antiserum A B and D on a glass slide at different places separately ,place a drop of Blood on each antiserum. Mix it separately with different toothpicks.

Observe the agglutination.

Results:

Positive: little crumbs of red cells are seen floating in a clear liquid.

Negative : red cells are floating homogeneously in a uniform suspension