We learn by doing
As a part of Think Labs session, children were made to perform various activities, so that they get hands on experience on the various scientific concepts. There were 6 activities for grade 6, 5 activities for grade 5, 8 activities for grade 6, nine activities for grade 7 and 8 activates for grade 8 .These activities would definitely help the children develop various skills – observing, thinking, comparing, classifying, predicting and chemical handling. The grade wise activities are as follows
Principle: This is an activity to study the different parts of plants and their modifications.
Learning Outcomes: children were able to identify different parts of plants and functions of each part.
2. SEEDS AWAY
Principle: This activity involves different Seed dispersal Methods – Air, Water, Animal, Explosion of fruits
Learning Outcomes: children were able to define the process of seed dispersal, to visualise different methods of seed dispersal and the need for different methods of seed dispersal will be explained.
3. TURN ON YOUR SEEDS
Principle: This activity helps to study the Structure of seeds and process of germination
Learning Outcomes: children were able to identify different parts of the seeds and explain their uses and also demonstrate different conditions required for the process of germination.
4. UNSEEN DANGERS
Principle: This activity involves the study of the spreading of diseases by touch and to practice effective Hygiene techniques.
Learning Outcomes: children were able to explain that diseases are caused due to microbes, different ways by which diseases spread and were able to relate that diseases spread by touch.
Principle: This activity enables to categorize animals into Herbivores, Carnivores, and Omnivores based on the structure of their teeth.
Learning Outcomes: Children were able to classify the animals based on their teeth shape and differentiate animals into herbivores, carnivores, omnivores and to understand how teeth structure and eating habits are interrelated.
6.WHO EATS WHAT?
Principle: An activity to classify animals based on their eating habits.
Learning Outcomes: Children were able to classify the animals based on their eating habits and explain the terms Herbivores, Carnivores, Omnivores.
7. FUN WITH AIR
Principle: This activity involved the study of properties of air.
Learning Outcomes: Children were able to know the properties of air, as air can be filled in or removed from an object, an object weighs more with air in it, air cannot be seen but can be felt and air flows from high pressure to low pressure.
Principle: To study the interdependence of living organisms – Food chain and Food Web.
Learning Outcomes: children were able to differentiate Producers and consumers and know about Food chain and food web
2. TARTAN CAT
Principle: To understand the Phenomenon of Camouflage in animals.
Learning Outcomes: children were able to understand the concept and types of Camouflage, to visually experience Camouflage and were able to tell that camouflage is used for protection against Predators and to hunt down the prey.
3. MOSQUITO BITE
Principle: this activity is to know the spread of communicable diseases through insects. (Malaria and Preventive measures)
Learning Outcomes: Children were able to explain the modes of transmission of communicable diseases, how it spreads and prevention in spreading of the diseases.
Principle: Making the use of renewable source of energy- SOLAR ENERGY
Learning Outcomes: Children were able to explain the advantages of using solar energy and were able to make a model of it.
5. WATER CYCLE
Principle: This activity involves the study water Cycle by making a model.
Learning Outcomes: Children were able to visualize evaporation, Condensation and also explain the Water cycle.
Principle: Children learned to make a lever which helps to lift objects. They also understood about the importance of keeping the environment clean
Learning Outcomes: Children learnt about a simple machine, the lever and its parts. They also came to know about the importance of cleaning the environment and the hazards involved in it.
Principle: This activity involves the testing of fat present in food by using ethanol and water.
Learning outcome: Students were able to recognize the foods that may lead to obesity and identify foods containing specific nutrients.
Principle: This activity involves testing the presence of starch and vitamin C using materials like corn flour and iodine solution.
Learning outcome: students were able to test a food item for the presence of starch and the symptoms of scurvy.
Principle: A torch is made using the batteries and LED provided in the kit, which can be switched on and off with the help of the switch attached to the circuit.
Learning outcome: Students were able to identify the negative and positive terminal of an electric circuit.
Principle: Presence of proteins in corn flour and milk powder samples is tested using sodium hydroxide solution, and Copper sulphate.
Learning outcome: They learnt to test a food item for the presence of protein and various nutrients required for body growth.
Principle: In this activity, the learners will find out the ingredients present in a balanced diet. “Flour mixed with roasted soya granules makes it healthy”, this statement is tested by finding out which nutrients are present in them.
Learning outcome: Students are able to state the need of different nutrients by our body and to design a balanced diet.
Principle: This activity involves sorting materials into different groups according to different physical properties like appearance, hardness, solubility and floatation on water. A floating device is then made by using a combination of materials: and interestingly, individually these they may sink in water.
Learning outcome: Students are able to identify materials based on its properties.
Mix and Mesh
Principle: This activity involves sorting a mixture of salt, iron fillings, pebbles and white rangoli powder using the techniques such as hand picking, sieving, decanting, and magnetic sorting, evaporation.
Learning outcome: Students were able to explain the need of separating different components of a mixture and apply the most appropriate method needed for separation.
Principle: The ‘straw flower’ activity helps learners in understanding how plants transport water through the stem to its different parts.
Learning outcome: Students were able to visualize how water is conducted by the stem.
Principle: Thejourney of food through the digestive system is simulated in this activity from grinding and starch digestion in the mouth, churning in the stomach, nutrient absorption in the small intestine, and the finally to water absorption in the large intestine using various commonly sourced materials.
Learning outcome: Students were able to visualise different stages of digestive through an experimental model.
Principle: This activity involves making a simple thermometer using a bottle, straw and water.
Learning outcome: Students were able to experience and explain transfer of heat energy by conduction method.
Principle: This activity involves using universal indicator and phenolphthalein to differentiate between acids and bases.
Learning outcome: Students were able to identify the characteristics of acids, bases and neutral substances and to analyze working of different kinds of indicators.
Principle: This activity involves adding vinegar to the solution of water and universal indicator, which turns it red in colour. NaOH solution is then added to turn it dark violet in colour. This solution undergoes a series of colour changes and then returns back to the same violet colour indicating that the acidic vinegar is neutralized by the milk of magnesia solution.
Learning outcome: Students were able to describe the process of neutralization and to understand the role of antacids inside the stomach.
Principle: This activity involves inflating a balloon by using the gas released when vinegar and baking soda are mixed together.
Learning outcome: Students learnt to identify and summarize physical and chemical changes.
Lung Diaphragm Model
Principle: This activity helps to construct a working model of a human respiratory system that has two balloons fixed to the T-joint and attached to a straw enclosed in a plastic bottle.
Learning outcome: Students were able to name the parts of internal organs involved in breathing and to demonstrate working of lungs and diaphragm.
Principle: This activity involves understanding the flow of water through the plants. While performing this activity, students will understand the working and functions of one of the vascular tissues, Xylem.
Learning outcome: Students were able to demonstrate the water transport through the suction pull.
Plant Food Pipe
Principle: This activity involves understanding location, structure and function of the conduction tissues, xylem and phloem in vascular plants.
Learning outcome: Students were able to demonstrate movement of water and food from cell to cell for short distances.
Principle: This activity involves making a stethoscope by stretching a half cut balloon on the broad end of a funnel and connecting its narrow end to a plastic pipe.
Learning outcome: They learnt what a heartbeat is, why they are produced and the instrument that helps to amplify sound of heart beats.
Principle: To study of two modern irrigation methods.
Learning outcome: This activity was done to make a working model of two irrigation methods used in agriculture-Drip and sprinkler technique.
Principle: To understand the concept of polymerization.
Learning outcome: This activity is used to study and understand types of plastics-thermoplastics and thermo setting plastics. Also was able to get sensory experience of cross-linking polymerization.
Principle: To study about the Physical properties of metals.
Learning outcome: This activity was done to identify metals based on different physical properties like appearance, hardness, malleability, ductility and conductivity.
Principle: To study about the comparative analysis of different displacement chemical reactions to understand and draw up the reactivity series.
Learning outcome: This identified and explained the different displacement reactions. Also students were able to categorize the metals according to their reactivity.
Baro It Down!
Principle: To make a model of pressure measurement device called a manometer to experience the pressure exerted by water and in turn understand the pressure exerted by liquids.
Learning outcome: This demonstrated the effect of pressure exerted by liquids.
Principle: To make a CD hovercraft using friction.
Learning outcome: This was done to understand that friction is necessary and experience what happens in absence of friction.
Principle: To make an instrument using a plastic bottle and a balloon that creates sound.
Learning outcome: Children understood that sound was produced due to vibrations.
Principle: To describe how sound requires a medium to travel.
Learning outcome: This explained that sound needs a medium to propagate.