Class 8 English Solution 2081 New Course | Unit 15 Conservation of Earth - I

Unit 15

Reading I

Conservation of Earth

A. The meanings of some of the words from the text are given below. Find the words and write them down next to their meanings.

a. no longer in existence: extinct

b. to hunt birds or animals illegally: poaching

c. a period of ten years: decade

d. people in your family who lived a long time ago: ancestors

e. kind or type: species

f. people who take an active part in the protection of the environment: conservationists

g. the atmosphere in which plants and animals can live: biosphere

h. suitable to live in: habitable

B. Read the text again and write True or False for these statements.

a. You feel at home when you live in your usual place. True

b. Conservationists started to work saving animals only recently. False

c. There are thousands of undiscovered species on the Earth. True

d. Humans will also die out if they go on destroying the biosphere. True

e. Scientists have already found another habitable planet. False

C. Read the text again and answer these questions.

a. How is it possible for polar bears to live in the Arctic?

Polar bears have a thick layer of fat that helps them to stay warm in the cold Arctic temperatures.

b. Why can't wild creatures survive for long in a different habitat?

Wild creatures are adapted to their specific habitat. They have evolved to live in a particular climate and with a particular type of vegetation. If they are moved to a different habitat, they may not be able to find the food and shelter that they need to survive.

c. What have the conservationists done to save some specific species?

Conservationists have worked to save specific species by banning hunting and poaching, creating protected areas, and breeding programs.

d. What is the impact of cutting down trees?

Cutting down trees has a number of negative impacts on the environment. It can destroy the habitat of many wild creatures. It can also lead to global warming causing ice caps to melt.

e. Where are many of the new species of creatures found?

Many of the new species of creatures are found in isolated rainforests, deep oceans, the Arctic and the Antarctic. These are areas that are difficult to reach and have not been well-studied.

f. What is the contribution of other creatures to humans?

Other creatures contribute to humans with food, clothing, shelter, and medicine.

g. Why do you think scientists are looking for oxygen and water vapour on other planets?

Scientists are looking for oxygen and water vapour on other planets because the Earth might not be able to support all the creatures living on it.

D. If you got the chance to go to another planet to live, what five things would you take with you? Make a list and talk to your friends. Give reasons why you would want to take those particular items with you.

If I got the chance to go to another planet to live, here are five things I would take with me: A water filter: This would be essential for survival, as I would need to be able to drink clean water. A first-aid kit: This would be important for treating any injuries or illnesses that I might experience. A solar charger: This would allow me to charge my electronic devices, such as my phone and laptop. A survival guide: This would provide me with information on how to find food, water, and shelter on the new planet. A book: This would provide me with entertainment and a way to escape from the reality of my new life. I would also want to take a few personal items with me, such as photos of my family and friends, a piece of jewelry, and a book that I have always wanted to read. These items would help me to feel connected to my home and to my past. I would talk to my friends about what they would want to take with them if they were going to another planet. I would want to make sure that I was taking the most important things with me, and that I was prepared for anything that might happen.

Grammar I

A. These sentences are from Reading I. Complete them with the missing words.

a. They can protect themselves from freezing temperatures because they have thick layers of fat.

b. Although you may not be friends with all of your neighbours, you may know them.

c. Survival of some species has become difficult because global warming is causing ice caps to melt.

e. This was a great start, but people realised that saving a single species was not enough.

d. We have to make an important decision in order to protect different species from becoming extinct.

e. They are searching for other planets in our solar system so that the human species and other creatures can move there to live.

B. Complete these sentences with but/because/because of/so that/in order to/therefore/although.

a. I can't walk any more because I've been walking all day.

b. He could not join the army because of his visual impairment.

c. I like dogs a lot because they are usually friendly.

d. Although our class teacher was sick, she still came to school.

e. I went to the bank so that I could withdraw some money.

f. Because of the heavy traffic, we could not reach the cinema in time.

g. Although Sima was tired, she did her homework before she went to bed.

h. She is talking clearly in order to impress the headteacher.

i. I work a lot but I do not get good grades.

Writing I

Some people think that listening to radio and watching television is important for students, while others believe that it impacts them negatively. Write an essay expressing your opinion about it.

The Impact of Radio and Television on Students

Radio and television are two of the most popular forms of entertainment in the world. They can also be a great source of information and education for students. However, there are also some potential negative impacts of listening to radio and watching television.

On the positive side, radio and television can provide students with access to a wide range of information and educational resources. They can learn about different cultures, historical events, and scientific discoveries. They can also develop their critical thinking skills by watching documentaries and news programs.

In addition, radio and television can be a great way for students to relax and de-stress after a long day of school. They can listen to music, watch funny shows, or simply enjoy a good story.

However, there are also some potential negative impacts of listening to radio and watching television. One of the biggest concerns is that students may spend too much time watching television and not enough time studying. This can lead to poor grades and academic problems.

In addition, television can be a major source of unhealthy messages for students. They may see violence, sexual content, or unrealistic portrayals of relationships. This can lead to problems with self-esteem and social development.

Overall, radio and television can be a positive force in the lives of students. However, it is important for parents and teachers to monitor their children's viewing habits and to make sure that they are not spending too much time watching television and not enough time on other activities.