Chapters
Chapter 2: Motions of the Earth
Chapter 3: The Earth and its Living World
Chapter 4: Environmental Balance
Chapter 5: Family Values
Chapter 6: Rules Are for Everyone
Chapter 7: Let us Solve our own Problems
Chapter 8: Public Facilities and My School
Chapter 9: Maps - our Companions
Chapter 10: Getting to Know India
Chapter 11: Our Home and Environment
Chapter 12: Food for All
Chapter 13: Methods of Preserving Food
Chapter 14: Transport
Chapter 15: Communication and Mass Media
Chapter 16: Water
Chapter 17: Clothes - our Necessity
Chapter 18: The Environment and Us
Chapter 19: Constituents of Food
Chapter 20: Our Emotional World
Chapter 21: Busy at Work - our Internal Organs
Chapter 22: Growth and Personality Development
Chapter 23: Infectious Diseases and how to Prevent them
Chapter 24: Substances, Objects and Energy
Chapter 25: Community Health and Hygiene
Chapter 24: Substances, Objects and Energy
Balbharati solutions for Environmental Studies 1 Maharashtra State Board 5th Standard Chapter 24 Substances, Objects and Energy Can you tell ? [Pages 127 - 130]
Write a few lines on the blackboard with a chalk. Now observe the chalk. What changes do you see in the chalk?
Wipe the board with a duster and then tap the duster against the table. What do you see?
What are the small particles that can be seen in a beam of light that enters a dark room?
If there is a sudden shower, we take shelter under a roof at the roadside. Even though the rain does not fall on us directly, we get wet to some extent. Why ?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
From what substance has the potter made all the things?
Asmita went to buy an earthen pot. There she saw many things kept for sale.
What is the difference between a substance and an object?
We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
There is a car. Its tank is full of fuel but it does not move. Why is that?
We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
When we have run a long distance, we feel tired. We have to stop. Why is that?
Balbharati solutions for Environmental Studies 1 Maharashtra State Board 5th Standard Chapter 24 Substances, Objects and Energy Use your brain power ! [Page 128]
You do not have rangoli powder. What things can you use as an alternative?
Balbharati solutions for Environmental Studies 1 Maharashtra State Board 5th Standard Chapter 24 Substances, Objects and Energy Find out [Page 131]
What ts the original source of energy for the electricity produced at a thermal power station?
Balbharati solutions for Environmental Studies 1 Maharashtra State Board 5th Standard Chapter 24 Substances, Objects and Energy Exercises, Exercise [Page 132]
We need to make a sherbet quickly for some guests. But we only have sugar candy in the house.
We need to rub salt on a corncob but only salt crystals are available.
Why do tablets of camphor decrease in size day by day ?
How do we save fuel by using public transport ?
When and why do clothes smell of naphthalene?
In which states is water found in nature?
What is the difference between the solid, liquid and gaseous states of a substance?
What is meant by energy?
Chapter 24: Substances, Objects and Energy
Balbharati solutions for Environmental Studies 1 Maharashtra State Board 5th Standard chapter 24 - Substances, Objects and Energy
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Concepts covered in Environmental Studies 1 Maharashtra State Board 5th Standard chapter 24 Substances, Objects and Energy are Introduction of Substances, Objects and Energy, Substances and Objects, Other Forms of Energy, Concept of Energy.
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