HOLIDAY HOMEWORK CLASS X
CHEMISTRY PREPARE POWER POINT PRESENTATIONS ON THE FOLLOWING TOPICS:
(MINIMUM 5 SLIDES,MAXIMAM 10 SLIDES)
ROLL NO:1-10 WILL PREPARE PPT 1. ROLL NO.11-20 WILL PREPARE PPT.2 ROLL NO.21-33 WILL PREPARE PPT.3 PPT1-------TYPES OF CHEMICAL REACTIONS PPT2--------CORROSION PPT3-------RANCIDITY PLEASE GET HARD COPIES OF PPTS MADE BY YOU
Dear students first find out where the electricity meter (noting the units consumed inyour house ) is installed . Then fill in the following information table: Reading of the Reading of the Total units Amount Total amount for st th meter on 1 June meter on 15 June consumed in 15 charged for one 15 days days unit
Now analyse and suggest some ways by which you can reduce the amount of the units consumed. Adopt the strategy and then find the units consumed by 30th June in the same format given above. You need to do this work on A4 Sheet methodically and the assignment based on the chapter – ELECTRICITY in Physics Register which will be checked and marked after the holidays. Make power point presentations on the following topics: Conventional sources of energy (Roll No 1-5) Biogas (Roll No 6-10) Solar energy (Roll No 11-15) Nuclear energy (Roll No 16-20) Geothermal energy (Roll No 21-25) Tidal energy (Roll No 30 till last Roll No)
1.Investigatory project- To measure the pulse rate of your own self under the following conditions. a) Just after waking up b) One hour after Breakfast c) 40 minutes after the physical activity (jogging or playing any sport). d) Before going to the bed. Record your observation in a tabular format and assign the scientific reason for the variation in the observation. 2.Investigatory project – To collect the information on at least three Food allergens. Mention the symptoms of the allergens on the Human System . Also find out the food substitutes and medicines available in the market. FRENCH 1....