# Unit 4: Our planet

> Từ vựng và mẫu câu Unit 4 (Our planet), Friends Global 10: If we …, … will … / It will be … / … is caused by ….

Source: https://olyclass.com/library/tb-friends-global-g10-u04/

- Subject: English
- Level: B1
- Textbook unit: 16
- Play it free on one screen (projector, TV or whiteboard): https://olyclass.com/library?play=tb-friends-global-g10-u04
- Copy and edit it: https://olyclass.com/library?copy=tb-friends-global-g10-u04
- Games it plays well in: [Hoop Shot](https://olyclass.com/classroom-games/hoop-shot/), [Claw Machine](https://olyclass.com/classroom-games/claw-machine/), [Tile Grab](https://olyclass.com/classroom-games/tile-grab/), [Dare Board](https://olyclass.com/classroom-games/dare-board/)

## Words in this game

- **blizzard**: A blizzard closed all the roads last night.
- **ecosystem**: A forest is a large and complex ecosystem.
- **emission**: The emission of gas from cars harms the air.
- **frostbite**: He got frostbite on his fingers in the snow.
- **hail**: The hail hit the roof very loudly.
- **hailstone**: One hailstone broke our kitchen window yesterday.
- **impact**: Plastic has a bad impact on the sea.
- **issue**: Climate change is an important issue today.
- **magnitude**: The earthquake had a magnitude of six.
- **marine**: Many marine animals live in the coral reef.
- **meteor**: We saw a bright meteor in the sky.
- **misty**: It is misty in the mountains this morning.

## Questions

1. If we don't stop pollution, the ice at the poles ___. (is melt / melted / melting / will melt)
   Answer: will melt
2. If we plant more trees, the air ___ cleaner. (is being / was / will be / would been)
   Answer: will be
3. Many floods are ___ heavy rain. (cause of / caused by / caused of / causing to)
   Answer: caused by
4. If it snows heavily tonight, we ___ at home tomorrow. (are staying to / stay will / stayed / will stay)
   Answer: will stay