Task 2: An hourglass


Topic: time

Level: Primary (1.–5. Graders)

Thematic Unit:

Subject: national history and geography

Recommended age of pupils: 6–11 years old or older

Time allocated: 2 lessons

List of equipment needed for pairs of pupils:

  • 2 PET 1.5L bottles, 2 lids from a round margarine tubs (Perla, Rama), sand, a strainer, a drill or a hole punch, a glue gun or Pattex glue

Equipment for the teacher:

http://www.fyzikahrou.cz/fyzika/hracky-a-modely/merici-pristroje

List of practical (research) activities:

Description – a brief summary:

The aim of the activity is to get acquainted with different types of clocks.

Description – Individual sections of the first lesson

Work content

Time

Material and equipment neededTeacher’s activityPupils’ activity

Introduction to topic - motivation

Making an hourglass. 2 lessons

2 PET 1.5L bottles,2 lids from a round margarine tubs (Perla, Rama), sand, a strainer, a drill or a hole punch, a glue gun or Pattex glue

Describes the importance of hourglass. Manages and assesses pupils’ activities.

In the form of a group work, they make an hourglass.

Pre-laboratory preparation
Dividing pupils into groups, motivation, formulation of the target, assessment, a worksheet. 10 minutes

2 PET 1.5L bottles,2 lids from a round margarine tubs (Perla, Rama), sand, a strainer, a drill or a hole punch, a glue gun or Pattex glue

Divides pupils into groups, motivation, formulates the target, introduces the assessment to pupils, distributes the worksheets, and supervises pupils when working..
They complete the worksheet with tasks, cooperate within the group, and ask the teacher questions.

Practical (research) activity

Creation of an hourglass.

30 minutes

2 PET 1.5L bottles,2 lids from a round margarine tubs (Perla, Rama), sand, a strainer, a drill or a hole punch, a glue gun or Pattex glue

Pays attention to pupils, makes a hole into the lids.

They make an hourglass.

Evaluation wof lessons

Summary, advantages and disadvantages of hourglass.

5 minutes

Controlled discussion with pupils.

They ask the teacher questions.