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![Samacheer Kalvi solutions for Science - Term 3 [English] Class 4 TN Board chapter 1 - Green Environment - Shaalaa.com](/images/science-term-3-english-class-4-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Science - Term 3 [English] Class 4 TN Board chapter 1 - Green Environment")
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Solutions for Chapter 1: Green Environment
Below listed, you can find solutions for Chapter 1 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Science - Term 3 [English] Class 4 TN Board.
Samacheer Kalvi solutions for Science - Term 3 [English] Class 4 TN Board 1 Green Environment Activity [Pages 65 - 74]
Write the waste management process in the correct order.
(Waste disposal, Waste collection and transportation, Waste separation, Waste recycling and composting)
List out four things that you can reduce, reuse and recycle at home or school.
| Reduce | Reuse | Recycle |
Study the image below and write down three items you have at home in each category of waste.
Biodegradable ______
Study the image below and write down three items you have at home in each category of waste.
Recyclable: ______
Study the image below and write down three items you have at home in each category of waste.
Non-recyclable: ______
Write any five non-recyclable items that you use or have seen in shop.
Samacheer Kalvi solutions for Science - Term 3 [English] Class 4 TN Board 1 Green Environment Evaluation [Pages 75 - 76]
Choose the correct answer.
What is the first step in waste management?
Waste disposal
Waste separation
Waste collection
Which is an example for non-biodegradable waste?
Paper cup
Plastic plate
Coconut shell
Picking up the waste is called _______.
Composting
Waste collection
Recycling
________ is the first ‘R‛ in the Three R‛s.
Reuse
Reduce
Recycle
Fill in the blanks.
________ is an example of reusing waste.
Using old jars for pickle
Saying no to a plastic bag
______ is used to make bags, dustbins, and tooth brushes.
Rose
Bamboo
_______ is a big threat to our environment.
Plastic
Light
______ is a non-recyclable item.
Glass
Multilayer plastic
Match the following.
| 1. | Plastic waste | Three R‛s |
| 2. | Waste separation | Eco-friendly material |
| 3. | Reduce, Reuse and Recycle | Threat to environment |
| 4. | Stainless steel | Biodegradable, recyclable and non-recyclable |
Write true or false.
3R method reduces the amount of waste that goes to landfills.
True
False
Eco-friendly material is harmful to the environment.
True
False
Plastic bag, thermocol, and multilayer plastics are recyclable.
True
False
We should not separate our waste.
True
False
Answer in one or two sentences.
What are the Three R‛s?
What is biodegradable waste?
Write the different steps in waste management.
Name any five items which are recyclable.
Answer the following.
How will you manage the household waste?
What are the plastic items that have been banned in Tamil Nadu?
Write the benefits of recycling.
What is meant by eco-friendly material?
Solutions for 1: Green Environment
Samacheer Kalvi solutions for Science - Term 3 [English] Class 4 TN Board chapter 1 - Green Environment
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Concepts covered in Science - Term 3 [English] Class 4 TN Board chapter 1 Green Environment are Environment Friendly Materials, Litter Free Environment, Five R’s of Waste Management, Environmental Conservation, Waste Separation Exercise, Plastics in Tamil Nadu, Solid Waste Management.
Using Samacheer Kalvi Science - Term 3 [English] Class 4 TN Board solutions Green Environment exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Science - Term 3 [English] Class 4 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
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