# Lesson 129: The Earth's land, air, and water

🔬 SCIENCE (40 Lessons) • 🔵 B. The Earth and Sky

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## Objective

I can tell that our Earth has land, water, and air. I can spot simple examples of each one and explain why they are important for living things.

## Materials

- A picture, globe, or simple drawing of the Earth
- Pictures of land (field, hill, sand), water (sea, lake, river), and sky
- Bowl of water or a clear cup of water
- Pencil and notebook or scrap paper

## Mini-lesson — Our Earth has land, water, and air

Our Earth is our home planet. When we look at pictures of Earth from space, we see blue, green, and brown.

Land

- Land is the ground we stand on.
- It can be soil, sand, rock, hills, or mountains.
- Plants grow in the land, and people build homes on it.

Water

- Water covers a lot of Earth.
- It is in oceans, seas, lakes, and rivers.
- All living things need water to drink and stay alive.

Air

- Air is all around us, even if we cannot see it.
- We breathe air into our lungs.
- Plants also need air to live and grow.

Working together

- On Earth, land, water, and air all work together.
- Trees grow in land, drink water from the soil, and take in air.
- Animals live on land or in water and breathe air (or use oxygen in water).

In this lesson we look for real examples of land, water, and air and see how they make Earth a good home for living things.

Picture strip: Land, water, and air on Earth

Earth from far away

Land, water, and air where we live

## Guided Practice — Spot land, water, and air

You will look at a picture of Earth and at your own real surroundings to find land, water, and air.

1. Look at Earth: Use a globe or picture of Earth. Point to something green or brown (land) and something blue (water). Remember that air is all around Earth.
2. Talk about land: Name two kinds of land you know (for example: sand, soil, hill).
3. Talk about water: Name two places with water (for example: sea, lake, river).
4. Feel the air: Take a slow breath in and out. Wave your hand and feel the air move.
5. Make a quick chart: On paper draw three small boxes and label them land, water, and air. Draw or write two examples in each box.
6. Explain: Say one sentence about each box, such as "Fish live in water" or "Trees grow in land".
7. Use the tracing pad: Choose words like Earth, land, water, or air from the dropdown and trace them slowly while you say the word.

Tracing Pad
Lines
Trace
Pen

## Practice 1 — Sort words into land, water, and air

Use your notebook to make three columns: land, water, and air.

1. Write these words mixed up: hill, sea, cloud, soil, lake, wind, sand, river.
2. Sort each word into the best column.
3. Check together and fix any that are in the wrong place.

## Practice 2 — Draw our planet

Draw a simple picture of Earth and show land, water, and air.

1. Draw a big circle for Earth on your page.
2. Colour some parts green or brown for land and some parts blue for water.
3. Draw a light ring or clouds around the outside to show air.
4. Label one land place, one water place, and write the word air.

## Practice 3 — Why does each part matter?

Talk about why land, water, and air are important for living things.

- Why do plants need land?
- Why do animals and people need water?
- Why do we need air?

Say or write one sentence for each question, using simple words like drink, breathe, and grow.

## Quick Check — The Earth's land, air, and water

Answer each question about land, water, and air on Earth.

1) What is our home planet called?

Moon Earth Sun
We live on the planet Earth.

2) Which three things cover most of Earth?

Toys, books, and cars Trees, flowers, and grass Land, water, and air
Earth has land, water, and air.

3) Which is an example of land?

A sandy beach A deep lake A cloud in the sky
Sand and soil are parts of land.

4) Which is an example of water on Earth?

A hill A river A tree
Rivers, lakes, seas, and oceans are water.

5) Where is air?

Only in the sea Only on mountains All around us, even if we can't see it
Air is everywhere around Earth.

6) What do we breathe to stay alive?

Air Sand Rocks
We breathe air into our lungs.

7) What do all living things need to drink?

Dust Water Toys
People, animals, and plants all need water.

8) Which set shows only land words?

Sea, lake, river Cloud, wind, air Hill, sand, soil
Hills, sand, and soil are parts of land.

9) Which set shows only water places?

Sea, lake, river Tree, hill, rock Cloud, wind, sky
Seas, lakes, and rivers are all water.

10) Which sentence about air is true?

We can hold air in our hands like a rock. We can't see air, but we can feel it when it moves. Air only lives in bottles.
We feel air as wind but we cannot see it.

11) A fish lives in water. What does this show?

Only land matters. Only air matters. Water is a home for some living things.
Some animals live in water as their main home.

12) A tree has roots in soil and leaves in air. What does this show?

Plants use land and air together. Trees live in water only. Trees do not need air.
Trees need both land (soil) and air to live.

13) Why is water important for people?

We use water only to colour pictures. We drink water to stay healthy. We do not need water at all.
Our bodies need water every day.

14) Why do we learn about land, water, and air?

To understand our planet and how to care for living things. So we never go outside again. Only to name colours.
Knowing about Earth helps us look after our world.

15) Which best describes Earth?

A place with only land. A place with only water. A planet with land, water, and air.
Earth has land, water, and air all together.

## Assessment (parent/teacher)

Student can say that Earth has land, water, and air. Student can give simple examples of land, water, and air around them. Student can explain that air is invisible but all around us. Student can describe why land, water, and air are important for living things. Student can answer simple questions about Earth's land, air, and water using clear sentences.

## Exit ticket (student)

😀 I can explain land, water, and air on Earth. 🙂 I know some facts but still need more practice. 😅 Land, water, and air still feel a bit tricky for me.

#### Next time I will practise…

Sorting words into land, water, and air Drawing and labelling Earth Explaining why each part matters for living things
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