Geetha Iyer Solutions for Exercise 3: EXERCISE

Author:Geetha Iyer

Geetha Iyer Science Solutions for Exercise - Geetha Iyer Solutions for Exercise 3: EXERCISE

Attempt the practice questions from Exercise 3: EXERCISE with hints and solutions to strengthen your understanding. Science Now 8 solutions are prepared by Experienced Embibe Experts.

Questions from Geetha Iyer Solutions for Exercise 3: EXERCISE with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Q 2

List three types of alternative sources of energy.

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Q 4

Describe the various uses of forests that sustain our livelihood.

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Q 5

List some practices one should follow to conserve our forests.

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Q 6

What is biomass energy? How is it used to generate electricity?

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Q 1

Describe the causes, effects and, measures to control deforestation.

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Q 2

Explain the harmful effects of overexploitation of fossil fuels.

EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>Identify and name the sources of energy shown below

Identify and name the sources of energy shown below.

 

HARD
8th CBSE
IMPORTANT
Science Now 8>Chapter 17 - The Human Intervention in Natural Phenomena>EXERCISE>HOTS (Higher Order Thinking Skills)

Amit and Raghu are neighbours. Amit uses appliances like electric water heater and electric cooker in his house, while Raghu uses solar heater and solar heater. Which of them is follolwing environment-friendly practices? Give reasons for your answer.