WALA: INVESTIGATING EVAPORATION

WALA: INVESTIGATING EVAPORATION

L.O: to measure volume, temperature,time,length and force.

STARTER

REVIEW THE PREVIOUS LESSON USING ORAL QUESTIONS.

AIM: I am investigating how much water evaporates.

Equipments

1. two containers same size and shape.

2. measuring jar

3. water

My prediction: .............................................................................................................

Reasons for my prediction: .........................................................................................

Method

1. Pour 200ml of water into each container.

2. Put one container in a cool place such as cupboard.

3. Put the other container in warm place such as a sunny window edge.

4. Measure the volume of water in each container everyday for five days.

Drawing of the investigation

Learners to draw in their notebooks..

( check the next slide to have an idea of how your drawing will look like.)

Results

draw a table like this one.

have the following rows day1,day 2, day 3, day 4, day 5.

Plenary

Go through the steps used in an experiment.

Give the meaning of volume.