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Science Holiday Homework
8F
10
This is a compressed file (ZIP File).
Please download it to view it.
All the images used in the webpage are also included.

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Name- Anaaya Ghosh
Class- 8-B
Roll no.-24
Note- Ma'am, this is a webpage and to view that you need download the ZIP folder.

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Option B
Effect of Acid Rain on plants PPT
8B 19

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Name: Maddulapally Srinidhi Reddy
Class/Sec: VIII F
Roll no.: 27
House: Ruby
Note: Ma'am this is a video recording of the ppt. And after you are completed seeing the ppt and hearing it you have to press the "next" button to move to the next slide ( you can also pause it if you want ).
THANK YOU!!

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maam this is a website so you have to download the zip file

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8B 19
effects of acid rain on plants

note - mam u cannot see the changes in the plants in the thumbnail in the last slide there is a zoomed in picture of pot A (the pot with normal water) so

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Soha Mahvish
VIII F
13

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Science - Holiday Home Work [webpage]

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science webpage

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8B 34 .
science webpage

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8F 03

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8B
37
Webpage
Note - It is a webpage so it is required to be downloaded (ZIP File)

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Science Holiday Homework

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8F
18

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Science Holiday Homework
8B,18
WEBPAGE
This is a zip file so it needs to be downloaded.

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8f
30

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Name: D. Reema
Class: 8 F
Roll No.: 33
Note: Ma"am this is a web-page so you have to download the ZIP folder.

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8B
13

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Class : 8 B
Roll no. - 29
*This is a RAR File, and so u would be needing to download it to view it

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roll no. -36

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Akshaan Shrivastava
Science Holiday Homework
8B
Note: please download the zip file and click on RESEARCH.html

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My science holiday HW

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roll no 35

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NIMISH KANTAMNENI VIII-B 23 ; SCIENCE HOLIDAY H.W

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NIMISH KANTAMNENI VIII-B 23 ; SCIENCE HOLIDAY H.W

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OPTION A - SAVE PLANET, SAVE THE ENVIRONMENT

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Topic - Webpage
Roll no. - 14
(note- click on the link to open the webpage, doesn't need to be downloaded)

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8F 20
Science Holiday Homework

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https://drive.google.com/drive/folders/1QPxcQG8O5hUMg0NU6HjUN6dJdK4N2dAG?usp=sharing

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class 8b
roll no 10

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CLASS : 8
SECTION : B
ROLL NUMBER : 15
HOUSE : SAPHIRE
SCIENCE HOLIDAY HOMEWORK
(PLEASE DOWNLOAD AND OPEN WITH POWERPOINT )

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Class 8 B
Roll No. 3

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R.Arjun 07,8-F ,Topaz

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Sravya Geethika Juluri 16 8B

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See kundan,8-B,27
Science holiday homework

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The project is in a compressed ZIP file. To view it kindly download it and extract it.

Without extracting, all of the content cannot be viewed properly.

Bhavyaa Jain
8F 20 Ruby

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8-F
12
Note- PLS download this file to view every image
https://drive.google.com/file/d/12iHQscYRwS6ruJ1t663_vSHrudMWVmae/view?usp=sharing

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8F  38

science holiday homework

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8F 01

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8F
17

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8F
15

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Class- 8-B
Roll no.-11

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SCIENCE HHW

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Class-8B
Roll no -20

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Class :8B
Roll no: 09

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https://whitehats123.github.io/science-holiday-homework/scienceholidayhw.html

Maam you can click on this link and you will be able to see my holiday homework for science

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Effect of Acid Rains on Plants

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Jaisnavi  Parida science holiday homework

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Dheeraj , VIII - F , 06
Effect on acid rain on plants

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8F
Rill no. 29

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AarushGhosh8F32

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VIII F
34

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Druthi, 8F, 28

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Arjun 07 8-F topaz

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8F 11
https://drive.google.com/file/d/137vevHBYhskPS2-zbdq7yiFZK1XgoufQ/view?usp=sharing

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8F 11
https://drive.google.com/file/d/1c4cvuUB6RD3X6CJJfMF-ck3oWY2RoTMa/view?usp=sharing

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CLASS/SEC : 8F
ROLL NO. : 02

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Roll No . : 01

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8-B Roll NO-21

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8 B ROLLNO.38

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Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

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Class 8F
Roll 23

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Class 8F
Roll number 23

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8B
04

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VIII-F
14
note- the pictures in the ppt have been created by me, and I have pasted the pictures in the powerpoint presentation.

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Science Holiday H.W
Roll no : 24
Class / Section : 8F

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Roll no - 25
class - 8B, science holiday hw

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37  Science HHW

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roll no 22 ,class 8F

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26

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SCIENCE HOLIDAY HOMEWORK . Duggasani Vaishnavi , 8F , 26
A Webpage about 3 R'S
The three R's - reduce and recycle - all help to cut down on the amount of waste we throw away . They conserve natural resources , landfills space and energy, plus the threeR's save land and communitys must use dispose of waste in landfills , sitting a new land fils have become difficult and more expensive due to due to environmental regulations and public opposition..

REDUCE
-Buy products in bulk. Larger, economy-size products or ones in concentrated form use less packaging and usually cost less per ounce.Avoid over-packaged goods, especially ones packed with several materials such as foil, paper, and plastic. They are difficult to recycle, plus you pay more for the package

-Avoid disposable goods, such as paper plates, cups, napkins, razors, and lighters. Throwaways contribute to the problem, and cost more because they must be replaced again and again. Buy durable goods – ones that are well-built or that carry good warranties. They will last longer, save money in the long run and save landfill space. At work, make two-sided copies when ever possible.

-Maintain central files rather than using several files for individuals.
-Use electronic mail or main bulletin board.

-Remove your name from the mailing lists of materials you no longer want to receive: write to Mail Preference Service, c/o Direct Marketing Assoc., P.O. Box 90008, Farmingdale, NY 11735.

-Use cloth napkins instead of paper napkins.

-Use a dish cloth instead of paper towels.

RECYCLE

RECYCLE: Recycling is a series of steps that takes a used material and processes, remanufactures, and sells it as a new product. Begin recycling at home and at work:

Buy products made from recycled material. Look for the recycling symbol or ask store managers or salesmen. The recycling symbol means one of two things – either the product is made of recycled material, or the item can be recycled. For instance, many plastic containers have a recycling symbol with a numbered code the identifies what type of plastic resin it is made from. However, just because the container has this code does not mean it can be easily recycled locally.

-Check collection centres and curb-side pickup services to see what they accept, and begin collecting those materials. These can include metal cans, newspapers, paper products, glass, plastics and oil.

-Consider purchasing recycled materials at work when purchasing material for office supply, office equipment or manufacturing.

-Speak to store managers and ask for products and packaging that help cut down on waste, such as recycled products and products that are not over packaged.

-Buy products made from material that is collected for recycling in your community.

-Use recycled paper for letterhead, copier paper and newsletters.

REUSE

-REUSE: It makes economic and environmental sense to reuse products. Sometimes it takes creativity:

Reuse products for the same purpose. Save paper and plastic bags, and repair broken appliances, furniture and toys.

Reuse products in different ways. Use a coffee can to pack a lunch; use plastic microwave dinner trays as picnic dishes.

-Sell old clothes, appliances, toys, and furniture in garage sales or ads, or donate them to charities.

-Use reseal able containers rather than plastic wrap.

-Use a ceramic coffee mug instead of paper cups.

-Reuse grocery bags or bring your own cloth bags to the store. Do not take a bag from the store unless you need one.
the 3 R'S

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Aim:

To show turmeric as an acid-base indicator.

Materials:

1.     Glass bowl

2.     Water

3.     Turmeric

4.     Detergent powder

5.     Lemon

Method:

Take a glass bowl mix turmeric powder with water

Now the colour of the mixture is yellow.

Add some detergent powder and stir it.

Now we  see that the colour has changed to red-orange.

Add half of lemon to it and we see the colour changes back to original yellow colour

Observations:

Turmeric only changes colour in the presence of a base, and not in the presence of an acid.

Yellow turmeric changes to red-orange when dropped into soap solution, indicating that the soap solution is basic. When acidic lemon juice is slowly added to this, the red-orange gradually weakens and the original yellow is seen again, showing that the acidic lemon juice reacted with the basic soap solution, and turned the liquid to neutral

Conclusion:

Indicator is a substance that changes its colour depending on the pH value of a liquid. Bases such as a soap solution have a pH value greater than 7, whereas acidic liquids like lemon juice have a pH value less than 7.

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Sangam Akshaya. 15. 8B.  Saphire
*Balloon
*Double sided tape
*Straw
*Thread

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Items
Balloon
Tape
Straw
Thread

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rocket balloon experiment

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Akshita Rao
VIII F
34

Materials needed:

Balloon

Thread

Straw

Tape

This activity works based on the principle of force. The air trapped inside the balloon pushes out the open end, causing the balloon to move forward.

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Trishaala Nayana Pamidi
8B
Roll number : 35
ballon cannon experiment

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Principle behind balloon rocket-
When the air is released, the pressure and force created by trapping the air inside balloon comes out pushes the air around the balloon. Releasing air is the action of force in balloon rocket experiment.

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The creating of vacuum by removing oxygen from the glass

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The creating of vacuum by removing oxygen from the glass

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Name-Akshaan
Roll no- 22
Class-8B
materials
*potato(not needed if candle there)
*glass
*wet paper
*water
*candle
*a plate or a tray
The removal of oxygen and the addition of carbon di oxide causes a creation of vacuum in the glass therefor lifting the plate and the contents with it. After the carbon di oxide escapes the glass then there is no vacuum.

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Observation- When balloon is released, air present inside the balloon rushes out with force pushing the balloon forward.
Conclusion- Air moves from high pressure zone to low pressure zone.

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8-B
04
Topaz
Balloon
Straw
Thread
Tape

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SaiShriya Dinavahi
8B roll no.:18
House:Sapphire
Materials: 1 Balloon; 1 straw; a thread

When the end of the ballon is opened, the air in the ballon comes out with a lot of force thus pushing the ballon in the opposite direction from where the air is exiting. (Experiment is based on property of air)

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tanmayee yelamanchili 8B 23

materials
*marbles
*bottle caps of defferent sizes
*books
Ball Bearings are required in machines to maintain a smooth flow of motion and minimize friction.

Keep a book on the largest cap and spin it. The book will turn easily.

Now, take out the marbles. Keep the top cap back and place the book on it. try to spin the book again. It will not spin. It may move a little.

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Experiment, Absorbing Capacity of Fibres

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Experiment, Absorbing Capacity of Fibres

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Vishwesh Vijay
10
8F
Sapphire

Materials Needed:
1. 2 Mugs with water.
2. A cotton Fabric
3. A nylon Fabric (any synthetic fibre)

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Vanya Mall
Class 8B
Roll No.01

Materials:
Balloon
Rope
Straw
Tape

This rocket Balloon works on
the principle of air pressure. When the air from the balloon is released, the balloon is pushed in the opposite direction.

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Druthi T
Class 8F
28, Emerald
Forces are pushes or pulls, and they're what make things move.
Materials required are:
Balloon
String
Tape
Straw
In this case, the air rushing out of the balloon pushed the straw forward, making it move.

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Kshithij Ram Class 8-B Topaz
Balloon
Tape
Straw
Thread

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ACTIVITY 1- PICTORIAL REPRESENTATION

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The air rushing out of the balloon exerts a force in the opposite direction of the balloon which  thrusts the balloon forward

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Materials:
Straw
Balloon
Tape
Thread

The principle it works on:

Once the inside of the balloon is let out it results in a forward motion known as thrust, which pushes the balloon all the way across the string.

8F Bhavyaa Jain 20
Ruby

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Sahiti Lanke , 8F , 24 , Ruby

Materials Required -
Full glass of water
Any cardboard or plastic board

Working Principle -
The air pressure on the card placed underneath the glass of water is much greater than the weight of the water inside the glass . That is how the card manages to hold the water inside the glass without any support and not allowing it to fall .

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Experiment - Air pressure - Ballon Rocket

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Experiment - Air pressure - Ballon Rocket

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The air trapped inside the balloon pushes out the open end, causing the balloon and the straw to move forward.
Varshitha Pragnya
8F 17
Sapphire

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Sangam Akshaya. 15. 8B. Saphire

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science experiment
DIY Straw Glider
materials required: straw, tape, paper strips, scissors, scale.

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Science experiment- Moving drawing
Class- 8-B
Roll no. - 24

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aim - to observe fermentation of sugar by yeast cells

materials  -     dry yeast, empty plastic bottle, balloon, warm water,sugar

procedure -   mix sugar and yeast in the warm water stir it vigorously and pour it in the bottle leave it undisturbed for about an hour .

observation - we can smell the alcohol and volume of the solution has increased and balloon has also inflated

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8B 33
Experiment on Atmospheric pressure