Tamil Nadu Board of Secondary EducationTamil Nadu Primary School Class 4th
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Tamil Nadu Board Samacheer Kalvi solutions for Class 4th Science Term 3 Answers Guide chapter 1 - Green Environment [Latest edition]

Chapters

Class 4th Science Term 3 Answers Guide - Shaalaa.com
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Chapter 1: Green Environment

ActivityEvaluation
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Activity [Pages 65 - 67]

Tamil Nadu Board Samacheer Kalvi solutions for Class 4th Science Term 3 Answers Guide Chapter 1 Green EnvironmentActivity [Pages 65 - 67]

Activity | Q 1 | Page 65

Write the waste management process in the correct order.

(Waste disposal, Waste collection and transportation, Waste separation, Waste recycling and composting)

Activity | Q 2 | Page 67

List out four things that you can reduce, reuse and recycle at home or school.

Reduce Reuse Recycle
     
     
     
     
Activity [Pages 70 - 74]

Tamil Nadu Board Samacheer Kalvi solutions for Class 4th Science Term 3 Answers Guide Chapter 1 Green EnvironmentActivity [Pages 70 - 74]

Activity | Q 1 | Page 70

Study the image below and write down three items you have at home in each category of waste.

Biodegradable ______

Activity | Q 2 | Page 70

Study the image below and write down three items you have at home in each category of waste.

Recyclable: ______

Activity | Q 3 | Page 70

Study the image below and write down three items you have at home in each category of waste.

Non-recyclable: ______

Activity | Q 4 | Page 74

Write any five non-recyclable items that you use or have seen in shop.

Evaluation [Pages 75 - 76]

Tamil Nadu Board Samacheer Kalvi solutions for Class 4th Science Term 3 Answers Guide Chapter 1 Green EnvironmentEvaluation [Pages 75 - 76]

Choose the correct answer.

Evaluation | Q I. 1. | Page 75

What is the first step in waste management?

  • Waste disposal

  • Waste separation

  • Waste collection

Evaluation | Q I. 2. | Page 75

Which is an example for non-biodegradable waste?

  • Paper cup

  • Plastic plate

  • Coconut shell

Evaluation | Q I. 3. | Page 75

Picking up the waste is called _______.

  • Composting

  • Waste collection

  • Recycling

Evaluation | Q I. 4. | Page 75

________ is the first ‘R‛ in the Three R‛s.

  • Reuse

  • Reduce

  • Recycle

Fill in the blanks.

Evaluation | Q II. 1. | Page 75

________ is an example of reusing waste.

  • Using old jars for pickle

  • Saying no to a plastic bag

Evaluation | Q II. 2. | Page 75

______ is used to make bags, dustbins, and tooth brushes.

  • Rose

  • Bamboo

Evaluation | Q II. 3. | Page 75

_______ is a big threat to our environment.

  • Plastic

  • Light

Evaluation | Q II. 4. | Page 75

______ is a non-recyclable item.

  • Glass

  • Multilayer plastic

Evaluation | Q III. | Page 75

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.

Evaluation | Q IV. 1. | Page 76

3R method reduces the amount of waste that goes to landfills.

  • True

  • False

Evaluation | Q IV. 2. | Page 76

Eco-friendly material is harmful to the environment.

  • True

  • False

Evaluation | Q IV. 3. | Page 76

Plastic bag, thermocol, and multilayer plastics are recyclable.

  • True

  • False

Evaluation | Q IV. 4. | Page 76

We should not separate our waste.

  • True

  • False

Answer in one or two sentences.

Evaluation | Q V. 1. | Page 76

What are the Three R‛s?

Evaluation | Q V. 2. | Page 76

What is biodegradable waste?

Evaluation | Q V. 3. | Page 76

Write the different steps in waste management.

Evaluation | Q V. 4. | Page 76

Name any five items which are recyclable.

Answer the following.

Evaluation | Q VI. 1. | Page 76

How will you manage the household waste?

Evaluation | Q VI. 2. | Page 76

What are the plastic items that have been banned in Tamil Nadu?

Evaluation | Q VI. 3. | Page 76

Write the benefits of recycling.

Evaluation | Q VI. 4. | Page 76

What is meant by eco-friendly material?

Chapter 1: Green Environment

ActivityEvaluation
Class 4th Science Term 3 Answers Guide - Shaalaa.com

Tamil Nadu Board Samacheer Kalvi solutions for Class 4th Science Term 3 Answers Guide chapter 1 - Green Environment

Tamil Nadu Board Samacheer Kalvi solutions for Class 4th Science Term 3 Answers Guide chapter 1 (Green Environment) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Tamil Nadu Board of Secondary Education Class 4th Science Term 3 Answers Guide solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Class 4th Science Term 3 Answers Guide chapter 1 Green Environment are Plastics in Tamil Nadu, Environment Friendly Materials, Litter Free Environment, Five R’s of Waste Management, Environmental Conservation, Waste Separation Exercise, Solid Waste Management.

Using Tamil Nadu Board Samacheer Kalvi Class 4th solutions Green Environment exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Tamil Nadu Board Samacheer Kalvi Solutions are important questions that can be asked in the final exam. Maximum students of Tamil Nadu Board of Secondary Education Class 4th prefer Tamil Nadu Board Samacheer Kalvi Textbook Solutions to score more in exam.

Get the free view of chapter 1 Green Environment Class 4th extra questions for Class 4th Science Term 3 Answers Guide and can use Shaalaa.com to keep it handy for your exam preparation

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