A free, playable vocabulary list. · 20 words · CEFR B1
Every word below is wired into all five arcade games — open one and your 20-word set is loaded, ready to match, recall and review.
| # | Word | POS | Level | Definition & example |
|---|---|---|---|---|
| 1 | pollution | noun | B1 | dirty or harmful things in air, water, or land Car fumes cause air pollution in cities. |
| 2 | recycle | verb | B1 | to treat waste so it can be used again We recycle paper, glass, and plastic. |
| 3 | waste | noun | B1 | things that are not needed and are thrown away The factory puts its waste into the river. |
| 4 | climate | noun | B1 | the usual weather of a place over many years The climate here is hot and dry. |
| 5 | energy | noun | B1 | power that comes from sources such as the sun or wind Solar panels turn sunlight into energy. |
| 6 | solar | adjective | B1 | using power from the sun They bought solar panels for the roof. |
| 7 | renewable | adjective | B1 | able to be replaced by nature quickly Wind is a renewable source of power. |
| 8 | forest | noun | B1 | a large area covered with trees The fire destroyed hectares of forest. |
| 9 | plastic | noun | B1 | a light man-made material used for many products Plastic bags pollute the ocean. |
| 10 | carbon | noun | B1 | a gas or element linked to climate change Cars release carbon into the air. |
| 11 | wildlife | noun | B1 | animals and plants living in nature The park protects local wildlife. |
| 12 | habitat | noun | B1 | the natural home of a plant or animal The jungle is the habitat of these birds. |
| 13 | protect | verb | B1 | to keep someone or something safe from harm Laws protect rare animals from hunters. |
| 14 | damage | noun | B1 | harm caused to something The storm did serious damage to the coast. |
| 15 | litter | noun | B1 | rubbish left in public places Please put your litter in the bin. |
| 16 | resource | noun | B1 | something useful that nature provides Water is our most precious resource. |
| 17 | reduce | verb | B1 | to make something smaller in amount We should reduce the plastic we use. |
| 18 | reuse | verb | B1 | to use something again Old jars can be reused for storage. |
| 19 | earth | noun | B1 | the planet that we live on We must care for the earth. |
| 20 | nature | noun | B1 | the world of plants, animals, and wild land She loves walking in nature. |
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