Description
Sahitya Bhawan Lab Manual with theory, Viva-voce Questions and Laboratory instruction for class 6? has been prepared in accordance with the NCERT Class 7.
- Practical book provides a better understanding of various concepts in a lucid manner.
- The entire matter is prepared in a way that it provides complete understanding of each topic.
- Viva-voice questions and answers helps the students in having a better understanding of concepts.
- Viva Voce questions are followed with answers.
- After theory matter, blank pages are provided for writing experiments.
- Lab Manual series contains Science & Mathematics.
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CONTENTS
1.Nutrition in Plants
Exp. 1. : To observe stomata in leaves through permanent slide.
Exp. 2. : To study that sunlight is necessary for photosynthesis.
Exp. 3. : To study that leaves prepare starch by the process of photosynthesis.
Exp. 4. : To study saprophytic mode of nutrition in growing fungus on bread mould.
2.Nutrition in Animals
Exp. 1. : To study different types of human teeth and their function.
Exp. 2. : To study the effect of saliva on starch.
3.Fibre to Fabric
Exp. 1. : To differentiate between natural and man-made fibres.
4.Heat
Exp. 1. : To measure the temperature of water when it is being heated, when it is boiling and when it is cooling.
Exp. 2. : To study the transfer of heat by conduction.
Exp. 3. : To distinguish between good conductors and poor conductors of heat.
Exp. 4. : To study the process of transfer of heat in liquids.
5.Acids, Bases and Salts
Exp. 1. : To study whether the given substances are acidic, basic or neutral using litmus paper.
Exp. 2. : To study the reaction between an acid and a base to show the process of neutralization.
Exp. 3. : To identify the acidic/basic/neutral nature of the salt solutions.
6.Physical and Chemical Changes
Exp. 1. : Differentiate amongst the changes such as folding of paper, tearing of paper and burning of paper.
Exp. 2. : To study changes in Magnesium ribbon on burning.
Exp. 3. : To study the reaction of copper sulphate with iron.
Exp. 4. : To study the reaction between vinegar and baking soda.
Exp. 5. : To prepare the crystals of copper sulphate.
7.Weather, Climate and Adaptations of Animals to climate26-28
Exp. 1. : To study adaptations of animals living in Polar Regions and Tropical Regions.
8.Winds, Storms and Cyclones
Exp. 1. : To show that air exerts pressure.
Exp. 2. : To observe that air expands on heating.
9.Soil31-32
Exp. 1. : To measure the rate of percolation a soil.
10.Respiration in Organisms
Exp. 1. : To find out what the exhaled air contains.
Exp. 2. : To understand the mechanism of breathing.
11.Transportation in Plants and Animals
Exp. 1. : To observe how water moves between cells in plants.
12.Reproduction in Plants
Exp. 1. : To study the different types of reproduction in fungi.
Exp. 2. : To study the mode of reproduction in yeasts.
Exp. 3. : To study various parts of a flower.
13.Motion and Time
Exp. 1. : To study the motion of simple pendulum and calculate its time period.
14.Electric Current and its Effects
Exp. 1. : To observe the heating effect of electric current.
Exp. 2. : To observe how the strength of an electromagnet depends upon the number of turns of the wire.
15.Light
Exp. 1. :To observe the image of a candle flame formed by a concave mirror when the candle is placed at different distances from the mirror.
Exp. 2. :To observe the image of a candle flame formed by a convex lens when the candle is placed at different distances from the lens.
Exp. 3. :To burn a candle in a glass full of water (Fun game).
16.Water : A Precious Resource
Exp. 1. : To study infiltration of water through soil.
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