WALA: EVAPORATION FROM A SOLUTION.

WALA: EVAPORATION FROM A SOLUTION.

L.O: Use observation and measurement to test predictions and make links.

INTRODUCTION

Emphasis on the importance of doing experiments.

Talk about some things to consider when doing an experiment.

AIM: I am investigating if I can get the salt back after it has dissolved

Equipments

1. salt

2. measuring jar

3. a small container

4. water

5. a teaspoon

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

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

Method

• Make a salt solution from 5ml of salt and 50 ml of water.

• Think about how to set up your investigations.

Drawing of the investigation

Make a labelled drawing to show what you used and what you did?

( Learners to draw in their notebooks.)

Results

1. Where should you set your experiment?

2. How long must you leave it to get any results?

3. Make a labelled drawing to show the results of your investigation.

Conclusion