Fill in each blank with the correct word from the lesson.

1. Our environment — everything around us in nature — is made up of three essential components: air, water, and _______.
2. Plants need soil to grow their roots, _______ to absorb nutrients, and air for photosynthesis.
3. Clean air contains oxygen for breathing — plants clean our air and produce oxygen through _______.
4. Air is a mixture of _______, oxygen, and other gases.
5. Plants take in carbon dioxide from the air and release _______ — making them our most important air purifiers.

Choose the best option for each question.

1. What is the top layer of Earth where plants grow called?
   a) Bedrockb) Water tablec) Soild) Mantle
2. Which organisms make soil fertile by breaking down dead material?
   a) Fishb) Birdsc) Earthworms and bacteriad) Clouds
3. Why do plants need all three — air, water, and soil?
   a) Just for shadeb) To make flowers onlyc) To absorb nutrients, photosynthesise, and anchor rootsd) Plants don't need all three

Write T for True or F for False in the brackets.

1. Our environment — everything around us in nature — is made up of three essential components: air, water, and soil.
2. Our environment — everything around us in nature — is made up of three essential components: air, water, and Bedrock.
3. Earthworms and bacteria is one of the key concepts in the lesson on Air, Water and Soil.
4. Fish is the main topic of this lesson.

1. In your own words, explain what Air, Water and Soil means.
2. List two things you learned from this lesson on Air, Water and Soil.