Unit 7: Inspiration for Change – Theory & Practice
Topic Overview: The Environment & Change
Target Vocabulary: We talk about the planet, pollution, and ways to protect our environment. Key actions include to recycle, reuse, and care about nature. We also discuss natural resources likewater and air.
Grammar: Defining Relative Clauses
We use relative clauses to identify exactly which person,thing, or place we are talking about. We use who or that for people, which or that for things, where for places, and whose for possession.
Grammar: Used to
We use used to + verb to talk about past habits or states that are no longer true (e.g., “I used to drive, but now I cycle”).
Exercise 1: Vocabulary Definitions
Match the words from the box to their correct definitions.
planet � pollution � recycle � reuse � care about � conserve � litter � habitat
1. A large round object in space, like Earth: ____________________
2. To changetrash into something new: ____________________
3. Damage to the natural world by harmful substances: ____________________
4. To use something again: ____________________
5. To be interested in someone or something and want to protect it: ____________________
6. To save something for future use (like water or energy): ____________________
7. Garbage that people leave behind on the ground: ____________________
8. The natural home or environment of an animal or plant: ____________________
2. To changetrash into something new: ____________________
3. Damage to the natural world by harmful substances: ____________________
4. To use something again: ____________________
5. To be interested in someone or something and want to protect it: ____________________
6. To save something for future use (like water or energy): ____________________
7. Garbage that people leave behind on the ground: ____________________
8. The natural home or environment of an animal or plant: ____________________
Exercise 2: Defining Relative Clauses
Complete the sentences with the correct relative pronoun:who, which, where, or whose.
1. That is the cafe __________ she wrote her first book.
2. My uncle is the person __________ gave me the idea to recycle.
3. Plastic is a material __________ damages the ocean.
4. I met a woman __________ husband works for a solar power company.
5. This isthe park __________ we planted trees last year.
6. The scientist __________ discovered the new species is famous.
7. The car, __________ runs on electricity, is very quiet.
8. Are you the student __________ project won the prize?
2. My uncle is the person __________ gave me the idea to recycle.
3. Plastic is a material __________ damages the ocean.
4. I met a woman __________ husband works for a solar power company.
5. This isthe park __________ we planted trees last year.
6. The scientist __________ discovered the new species is famous.
7. The car, __________ runs on electricity, is very quiet.
8. Are you the student __________ project won the prize?
Exercise 3: Grammar – Used To
Complete the sentences with the correct form of used to (affirmative, negative, or question).
1.I __________ (care) less about nature, but now I love it.
2. __________ (you / walk) to school when you were a child?
3. We __________ (not / have) recycling bins in our town ten years ago.
4. She __________ (drive) a big car, but now she rides a bike.
5. People __________ (not / worry) about climate change as much in the past.
6. __________ (they / live) in ahouse with solar panels?
7. My dad __________ (work) for an oil company, but now he is retired.
8. I __________ (not / eat) organic food, but now Ido.
2. __________ (you / walk) to school when you were a child?
3. We __________ (not / have) recycling bins in our town ten years ago.
4. She __________ (drive) a big car, but now she rides a bike.
5. People __________ (not / worry) about climate change as much in the past.
6. __________ (they / live) in ahouse with solar panels?
7. My dad __________ (work) for an oil company, but now he is retired.
8. I __________ (not / eat) organic food, but now Ido.
Exercise 4: Vocabulary in Context
Complete the text with the correct words from the list.
pollution � planet � care about � recycle � reuse� reduce � environment � energy
Every day, I read a new article about (1) __________, like dirty air from factories. We onlyhave one (2) __________, so we need to look after the (3) __________. It is something that I really (4) __________. I (5) __________ my paper and glass as much as I can. I am also trying to (6) __________ how much plastic I buy. I also (7) __________ old jars for storage. We should all save (8) __________ by turning off lights.
Exercise 5: Joining Sentences
Combine the two sentences into one using a relative pronoun (who, which, that, where).
1. That is the teacher. She taught me about conservation.
_______________________________________________________________
2. This is the book. It explains how to save energy.
_______________________________________________________________
3. I live in a town. The air is very clean there.
_______________________________________________________________
4. There is the boy. His father is an environmentalist.
_______________________________________________________________
5. The river is polluted. It flows through the city center.
_______________________________________________________________
6. I met a man. He invented a machine to clean the ocean.
_______________________________________________________________
7. That is the shop. They sell package-free food there.
_______________________________________________________________
8. We planted trees. They will help clean the air.
_______________________________________________________________
_______________________________________________________________
2. This is the book. It explains how to save energy.
_______________________________________________________________
3. I live in a town. The air is very clean there.
_______________________________________________________________
4. There is the boy. His father is an environmentalist.
_______________________________________________________________
5. The river is polluted. It flows through the city center.
_______________________________________________________________
6. I met a man. He invented a machine to clean the ocean.
_______________________________________________________________
7. That is the shop. They sell package-free food there.
_______________________________________________________________
8. We planted trees. They will help clean the air.
_______________________________________________________________
Exercise 6: Used To – Questions and Negatives
Turn the following sentences into negative statements or questions as indicated.
1. She used to eat meat. (Negative) -> _______________________________________
2. They used to live in the city. (Question) -> _______________________________________
3. He used to drive a truck. (Negative) -> _______________________________________
4. You usedto recycle paper. (Question) -> _______________________________________
5.We used to have a garden. (Negative) -> _______________________________________
6. She used to be a volunteer. (Question) -> _______________________________________
7. People used to use plastic bags freely. (Negative) -> _______________________________________
8. Your city used to have a park here. (Question) -> _______________________________________
2. They used to live in the city. (Question) -> _______________________________________
3. He used to drive a truck. (Negative) -> _______________________________________
4. You usedto recycle paper. (Question) -> _______________________________________
5.We used to have a garden. (Negative) -> _______________________________________
6. She used to be a volunteer. (Question) -> _______________________________________
7. People used to use plastic bags freely. (Negative) -> _______________________________________
8. Your city used to have a park here. (Question) -> _______________________________________
