Vocabulary
Adjective

biodegradable

/ˌbaɪ.oʊ.dɪˈɡreɪ.də.bəl/

Able to be broken down naturally by bacteria and other living things

Paper bags are biodegradable, unlike plastic bags.

Noun

biodiversity

/ˌbaɪ.oʊ.daɪˈvɜːr.sə.ti/

The variety of different plants and animals living in a particular area

The Amazon rainforest has incredible biodiversity with thousands of species.

Noun

carbon footprint

/ˈkɑːr.bən ˈfʊt.prɪnt/

The amount of carbon dioxide someone or something produces through daily activities

Taking public transport instead of driving reduces your carbon footprint.

Noun

climate change

/ˈklaɪ.mət tʃeɪndʒ/

Long-term changes in Earth's weather patterns, especially global warming

Climate change is causing more extreme weather like stronger hurricanes.

Noun

conservation

/ˌkɑːn.sərˈveɪ.ʃən/

The protection and careful use of natural resources and the environment

Water conservation is important during the summer when there is less rain.

Noun

deforestation

/diːˌfɔːr.ɪˈsteɪ.ʃən/

The cutting down of large areas of forest

Deforestation in the Amazon is destroying the homes of many animals.

Adjective

eco-friendly

/ˈiː.koʊ ˈfrend.li/

Not harmful to the environment

She always buys eco-friendly cleaning products to protect nature.

Adjective

ecological

/ˌiː.kəˈlɑː.dʒɪ.kəl/

Related to the environment and the relationship between living things and their surroundings

The oil spill caused serious ecological damage to the ocean.

Noun

ecosystem

/ˈiː.koʊˌsɪs.təm/

All the plants, animals, and their environment in a particular area working together

A coral reef ecosystem includes fish, plants, and coral living together.

Adjective

endangered

/ɪnˈdeɪn.dʒərd/

In danger of disappearing or becoming extinct

Pandas are endangered animals that need our protection.

Noun

fossil fuels

/ˈfɑː.səl fjuːlz/

Energy sources like oil, coal, and gas that formed from ancient plants and animals

Many countries are trying to use less fossil fuels and more clean energy.

Noun

greenhouse effect

/ˈɡriːn.haʊs ɪˈfekt/

The process where gases in the atmosphere trap heat from the sun, warming the Earth

The greenhouse effect is natural, but human activities are making it stronger.

Adjective

hazardous

/ˈhæz.ər.dəs/

Dangerous and likely to cause harm

Factory workers must wear special clothes when handling hazardous materials.

Adjective

organic

/ɔːrˈɡæn.ɪk/

Grown or produced without using artificial chemicals or pesticides

Organic vegetables are healthier because they contain no harmful chemicals.

Adjective

pristine

/prɪˈstiːn/

In perfect, original condition; completely clean and unspoiled

The national park has pristine forests that have never been cut down.

Adjective

renewable

/rɪˈnuː.ə.bəl/

Able to be replaced naturally and used again, like wind or solar energy

Wind power is a renewable energy source that never runs out.

Adjective

reusable

/riːˈuː.zə.bəl/

Able to be used again many times

I bring a reusable water bottle to school instead of buying plastic ones.

Adjective

sustainable

/səˈsteɪ.nə.bəl/

Able to continue for a long time without harming the environment or using up natural resources

Solar energy is a sustainable way to power our homes.

Adjective

toxic

/ˈtɑːk.sɪk/

Poisonous and harmful to living things

The factory released toxic waste into the river, killing many fish.

Adjective

vulnerable

/ˈvʌl.nər.ə.bəl/

Easily hurt or damaged; at risk

Small islands are vulnerable to rising sea levels caused by climate change.

Vocabulary Matching

Match the vocabulary word with its correct definition.

# Ans. Word Definition
Fill in the Blank

Complete each sentence with the correct word from the word bank.

Flashcards Multiple Choice
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Complete the Sentences

Use the vocabulary words to complete the sentences below. You may change the tense of the word, change it from singular to plural, and add prepositions or other connectors as needed for grammatical accuracy. Sentences with one blank must use a vocabulary word in the blank. Sometimes multiple vocabulary options may be correct. Sentences with two blanks must include a vocabulary word in one of the blanks, but you may use whatever words you want in the other blank.

Word Bank
  • biodegradable
  • biodiversity
  • carbon footprint
  • climate change
  • conservation
  • deforestation
  • eco-friendly
  • ecological
  • ecosystem
  • endangered
  • fossil fuels
  • greenhouse effect
  • hazardous
  • organic
  • pristine
  • renewable
  • reusable
  • sustainable
  • toxic
  • vulnerable