THE EMPIRICAL SCIENCE

Tuesday, November 19, 2019

SCIENCE DAY CELEBRATION




















Learners of cambridge International DAV PUBLIC SCHOOL, Pushpanjali Enclave,  Delhi  Celebrated Science week as part of 'World Science Day for Peace and Development 'with the theme Open Science, Leaving no one behind.
Students participated in many activities that opened the domain of scientific data, result and opinions. Learners of class III did the activity in which they observed 'walking water'to understand the concept of capillary action and also made the sliding card to understand various phases of moon. Learners of class VII compared the reactivity of different metals (Aluminium, Zinc, iron, Copper) , also through the  class board they showed the concern about rising air pollution level, reasons behind it, its short term and long term effects, the ways of prevention and precautions we can take to lessen its effects. Learners of Class 8 observed the concentration of reactants that affects the rate of reaction by studying the reaction of sodium thiosulfate and sulfuric acid.


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Wednesday, November 13, 2019

HAPPY CHILDREN’S DAY



Children carry the hopes of our brighter tomorrow and the dreams of our happy future. Wishing you a very enjoyable day for the children all over the world.  
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KIDS COLORING COMPETITION ON CHILDREN'S DAY


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Friday, November 8, 2019

WORLD SCIENCE DAY FOR PEACE AND DEVELOPMENT




Celebrated every 10 November, World Science Day for Peace and Development highlights
the significant role of science in society and the need to engage the wider public in debates
on emerging scientific issues. It also underlines the importance and relevance of science in our daily lives.
By linking science more closely with society, World Science Day for Peace and Development aims
to ensure that citizens are kept informed of developments in science. It also underscores the role
scientists play in broadening our understanding of the remarkable, fragile planet we call home and in
making our societies more sustainable.
The Day offers the opportunity to mobilize all actors around the topic of science
for peace and development – from government officials to the media to school pupils.
UNESCO strongly encourages all to join in celebrating World Science Day for Peace and Development 
The objectives of World Science Day for Peace and Development are to:
  • Strengthen public awareness on the role of science for peaceful and sustainable societies;
  • Promote national and international solidarity for shared science between countries;
  • Renew national and international commitment for the use of science for the benefit of societies;
  • Draw attention to the challenges faced by science and raising support for the scientific endeavor.

2019 Theme: "Open science, leaving no one behind"

Open Science is not only an issue of science being open to the research community, as in “open access”
and “open data” but refers to a science open to society.
In spite of the progress made in recent years, we are still witnessing great disparities across and
within different regions and different countries when it comes to accessing science, technology
and innovation (STI) and enjoying their benefits. To address these disparities and close the existing
STI gaps, Open Science is an important step in the right direction.
Open communication of the scientific data, results, hypotheses and opinions, lie at the very heart of
scientific process. In this context, Open Science is the growing global movement to make
scientific research and data accessible to all.
Open Science has the potential to significantly increase scientific collaboration and discovery and
to facilitate adoption of the well‐adapted technologies. It can be a game changer for achieving the
Sustainable Development Goals, particularly in Africa, developing countries, and Small Island
Developing States (SIDS).
Let us embrace open science as a tool for making science more accessible, scientific process
more inclusive and the outputs of science more readily available for all!
By linking science more closely with society, World Science Day for Peace and Development
aims to ensure that citizens are kept informed of developments in science. It also underscores
the role scientists play in broadening our understanding of the remarkable, fragile planet we call home
and in making our societies more sustainable.

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INTER-HOUSE SCIENCE QUIZ COMPETITION CLASS 7
















Inter house science quiz competition was organised for class 7 as an October month Inter house activity
Science quiz had 5 Rounds
Round-1 Knowledge Based Questions
Round -2 Diagrammatic Questions
Round-3 Graph Based Questions
Round-4 Conclusion based Questions
Round-5 Method of experiment

Winners of Inter-House Science quiz were
FIRST- Einstein House
SECOND - Boss House







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Saturday, October 26, 2019

RALLY TO PROMOTE ECO FRIENDLY DIWALI










A Rally was organised by DAV PUSHPANJALI CAMBRIDGE STUDENTS CLASS (3-6) on 25 OCTOBER 2019, to promote celebration of Ecofriendly Diwali by spreading the message of not bursting crackers, using earthen lamps to light the houses instead of energy consuming lights and giving ecofriendly gifts.
By doing this we can stop pollution and save our lives from many deadly pulmonary disease also we prevent animals from being harmed by noise pollution 


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Tuesday, October 22, 2019

To test the presence of carbon dioxide gas in the reaction of metal carbonates and acid by lime water





In the activity students observed the reaction between sodium bicarbonate and dilute sulfuric acid in the test tube, the gas which was released passed in the U-TUBE having lime water.
The lime water turns milky in the presence of gas which shows that the gas released was carbon dioxide.


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To investigate the effect of acid rain on the growth of cress seeds - ACTIVITY OF CLASS 8







In the activity students took four petridishes, in each petridish they first place some cotton. After they moisten the cotton with some water. They place sprinkle 20 cress seeds in each petridish .Then in
PETRIDISH A - They put 10 drops of water
PETRIDISH B- They put 10 drops of citric acid (present in lemon)
PETRIDISH C- They put 5 drops of water + 5 drops of citric acid
PETRIDISH D- They put 1 drop acid + 9 drops of water
After 1 week they will observe in which petridish the plant growth is affected  
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Wednesday, October 16, 2019

WORLD FOOD DAY






World food day is a day of action dedicated to tackling global hunger, held annually on 16 October. People around the world come together to declare their commitment to eradicate world wide hunger from our lives.

The theme of World Food Day 2019 is “Our Actions Are Our Future. 

Healthy Diets for a "ZeroHunger World". It focuses on tackling global hunger. Due to globalisation, urbanisation and income growth, our diets and eating habits are changed. Instead of seasonal, fibre rich food and plant based food we are shifted to refined, starches, sugar, fats, salt, processed food, meat, etc. It has been seen that in urban areas time spent on preparing food or meals is very less because people these days rely on ready mate food, supermarkets, fast food, street food, etc.

8 Reasons why Zero hunger changes the world
  • Zero hunger saves the life of 3.1 million children a year
  • Well nourished mothers have a healthier babies with strong immune systems
  • Ending child Under nutrition could increase a developing country's GDP by 16.5 %
  • A dollar invested in hunger prevention could return between $15-1$39 in benefits
  • Proper nutrition early in life could means 46 % more in lifetime earnings
  • Eliminating in iron deficiency in a population could boost workplace productivity by 20%
  • Ending nutrition related child mortality could increase a workforce by 9.4%
  • Zero hunger can help build safer, more prosperous world for everyone.
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"Investigating the effect of temperature on the growth of Bread Mould " ACTIVITY OF CLASS 8





Four Breads were taken and put in different temperature conditions
Bread-1 IN FREEZER
Bread-2 IN FRIDGE
Bread-3 IN COOL AND DARK PLACE
Bread-4 IN WARM AND MOIST PLACE

Students observed the growth of bread mould in different temperature conditions, they counted the number of colonies of bread mould and estimated the percentage area covered by bread mould in different temperature conditions.
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Wednesday, October 2, 2019

Investigating conditions that are needed for the rust to form? CLASS 7 Activity




Three test tubes represents :

Test tube-1 : Iron nail + tap water

Test tube-2 : Iron nail + Calcium chloride , mouth of test tube was closed with a cork

Test tube -3 : Iron nail + tap water and a layer of oil , mouth of test tube was closed with a cork

Learners will be able to conclude about the conditions necessary for the rusting to occur (oxygen and water)
on October 02, 2019 No comments:
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Investigating the affect of temperature on the rate of diffusion

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