Basic 1 · Science · Living and Non-Living Things

What Living Things Need

In this topic you will learn that all living things need food, water and air to live.

By the end of these notes you should be able to:

  • Name the three basic needs of living things
  • Explain why living things need food, water and air
  • Care for a plant or animal

What you already know

  • Plants and animals around us

Copy everything that has a blue line on its left into your notebook. The other parts are for reading.

Strand
Diversity of matter
Sub-strand
Living and Non-Living Things
Indicator
B1.1.1.2.2 – Know the basic needs of living things (food, water and air)

Introduction

Kojo planted two maize seedlings. He watered one every day. He forgot the other one. The one without water died. Why?

1. Basic Needs

All living things need three things to live.

Basic needs
NeedWhy we need it
FoodIt gives us energy to grow and move.
WaterWe cannot live without it.
AirWe breathe it in to live.
A child, a goat and a maize plant with food, water and air shown
Figure 1: Food, water and air Draw a plant getting water.Illustration: Sirbus

2. How Plants and Animals Get Their Needs

  • Plants get water from the soil through their roots.
  • Plants make their own food using sunlight.
  • Animals eat plants or other animals.
  • Animals drink water.

Remember: A plant without water will dry up and die.

New words

need
Something we must have to live.
food
What living things eat to grow.
water
A clear liquid all living things drink.
air
What we breathe in. We cannot see it.

Summary

  • Living things need food, water and air.
  • Plants take water from the soil.
  • Animals eat food and drink water.

Class activity: Seedling Test

  1. Look at the two maize seedlings in pots.
  2. Water one seedling every day. Do not water the other.
  3. Look at both after a few days.
  4. Say what happened to each one.

You need: Potted maize seedlings, Local soil, Cup of water

Exercises

Answer in your exercise book first, then check your answers.

  1. 1. Which is a basic need of living things?

    • A. Toys
    • B. Water
    • C. Shoes
    • D. Books
    Show answer
    Answer: WaterAll living things need water.
  2. 2. Where do plants get water from?

    • A. The soil
    • B. The sky only
    • C. Stones
    • D. Books
    Show answer
    Answer: The soilRoots take water from the soil.
  3. 3. Animals need air to live.

    • A. True
    • B. False
    Show answer
    Answer: TrueAnimals breathe air.
  4. 4. A plant can live without water.

    • A. True
    • B. False
    Show answer
    Answer: FalseIt will dry up and die.
  5. 5. Living things need food, water and ______.

    Show answer
    Answer: airThese are the three basic needs.
  6. 6. Why do we eat food?

    Show answer
    Answer: To get energy to grow and move.Food gives us energy.

Homework

  1. Water a plant at home for one week. Draw it at the end of the week.