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Basic 1 · Science · Earth Science

Day and Night

In this topic you will learn that day and night come again and again.

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

  • Describe day and night
  • Explain that day and night happen again and again
  • Say things we do in the day and at night

What you already know

  • Things around us

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

Strand
Cycles
Sub-strand
Earth Science
Indicator
B1.2.1.1.1 – Explain that some natural phenomena such as day and night occur repeatedly

Introduction

In the morning the sun rises and it gets bright. In the evening the sun sets and it gets dark. Then morning comes again.

1. Day and Night

Day and night
DayNight
The sun shines.The sun is not seen.
It is bright.It is dark.
We go to school.We sleep.
We can see the sun.We can see the moon and stars.
A house shown in the day with the sun and at night with the moon and stars
Figure 1: Day and night Draw your house in the day and at night.Illustration: Sirbus

2. Day and Night Repeat

Day and night come again and again. This happens every day.

The Earth turns round and round. The side facing the sun has day. The other side has night.

A torch shining on a ball to show day and night
Figure 2: How day and night happenIllustration: Sirbus

Remember: Day and night happen because the Earth turns.

New words

day
The time when it is bright and the sun is in the sky.
night
The time when it is dark.
sunrise
When the sun comes up in the morning.
sunset
When the sun goes down in the evening.

Summary

  • Day is bright. Night is dark.
  • Day and night come again and again.
  • The Earth turns, so we have day and night.

Class activity: Torch and Globe

  1. Your teacher shines a torch on a clay globe in a dark corner.
  2. Find the side that has day and the side that has night.
  3. Turn the globe slowly. Watch day and night change places.

You need: Locally made clay globe, Torch, Printed day-and-night picture cards

Exercises

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

  1. 1. When do we see the moon and stars?

    • A. At night
    • B. In the morning
    • C. At noon
    • D. Never
    Show answer
    Answer: At nightThe moon and stars show in the dark sky.

  2. 2. Why do we have day and night?

    • A. The Earth turns
    • B. It rains
    • C. Trees grow
    • D. We sleep
    Show answer
    Answer: The Earth turnsThe side facing the sun has day.

  3. 3. Day and night happen every day.

    • A. True
    • B. False
    Show answer
    Answer: TrueThey repeat again and again.

  4. 4. It is dark during the day.

    • A. True
    • B. False
    Show answer
    Answer: FalseIt is bright during the day.

  5. 5. The sun goes down at ______.

    Show answer
    Answer: sunsetSunset is in the evening.

  6. 6. Write one thing you do in the day and one at night.

    Show answer
    Answer: E.g. go to school; sleep.Many activities happen in the day or at night.

Homework

  1. Look at the sky at sunset. Draw what you see.