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Annual exam 2020

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notebook questions

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plenary

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What i know and plenary

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notebook questions

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Notebook questions

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notebook questions

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Sources of food,  components of food, fibre to fabric revision worksheet - half yearly

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Sources of food,  components of food, fibre to fabric revision worksheet - half yearly

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Worksheet 1

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Living organisms - what i know and what i learnt

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Living organisms - what i know and what i learnt

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write only one

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My challenge questions - Living and non-living 

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My challenge questions - Living and non-living 

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Write only one.

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Getting to know plants - My challenge question

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Getting to know plants - My challenge question

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My challenge question - Fun with magnets

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My challenge question - Fun with magnets

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write only one

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components of food - My challenge question

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components of food - My challenge question

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My Challenge question - changes around us

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My Challenge question - changes around us

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write only one

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Getting to know plants - What i know and What i learnt

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Getting to know plants - What i know and What i learnt

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Go through this powerpoint - Fibre to Fabric

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Go through this powerpoint - Fibre to Fabric

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Fibre to Fabric - LO, What i know, plenary, What i learnt 

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Fibre to Fabric - LO, What i know, plenary, What i learnt 

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Getting to know plants - notebook questions

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Getting to know plants - notebook questions

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complete your book

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Method 1.  Place foods in separate test tubes. ‐ if the food is liquid, pour enough to just cover the bottom of the glass. ‐ 2. If the food is solid (e.g., banana, apple, potato chips),  crush a small amount and add enough water to cover the bottom of the tube. 3. Add 10 drops of Benedict’s Solution to each test tube. 4. Place the test tubes in the hot water bath and note your observation.
The Benedict’s Solution provides a test for the presence of simple sugars. If sugar is present, the Benedict’s Solution will turn color (shades of yellow, orange, brown). as below.

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Our body use to build and repair tissues for which body needs proteins.Nails, hairs, skin, muscles and blood all are made up of proteins.Egg, meat, fish, oats, dal, almond, milk, yogurt are some rich source of protein.
Test of Protein:
To test protein in food we need solution of copper sulphate and (Sodium Hydroxide) caustic soda.
Grind the food sample finely (for example: almonds).
Put it in clean test tube and add 10 drops of water.
Using a dropper add 2 drops of copper sulphate solution.
Shake it well.T
hen add 10 drops of caustic soda solution.
Shake it well.
Violet color indicates the presence of proteins.

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Test for Fat

Take a small quantity of the food to be tested.

Wrap the food in a small piece of paper and crush it.

Straighten the paper and dry it by keeping it open to the sunlight for a while.

You will observe an oily patch on the paper that indicates the presence of fat in the food.

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Test for Starch

There are many types of carbohydrates. The main carbohydrates found in our food are in the form of starch and sugars. We can easily test if a food item contains starch.

1. Take small quantity of the food items to be tested.

2. Put 2-3 drops of iodine solution on it.

3. Observe the colour of the food item.

4. Blue-black colour indicates the presence of starch in the tested food item.

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what i know

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living and non living - Learning objectives

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living and non living - Learning objectives

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living and non-living notebook questions 

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living and non-living notebook questions 

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My challenge question - living and non living

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My challenge question - living and non living

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write any one

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my challenge question - Changes around us

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my challenge question - Changes around us

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write extension task from here

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Write