WALA: Does the container affect evaporation.

WALA: Does the container affect evaporation.

L.O: to present results in bar charts and line graphs.

Introduction

Go through the experiment students did. ( Does the container affect evaporation) .

Identify with them variable and invariable factors.

let them complete the results on the table correctly.

Guide learned to draw a bar graph using the results on the table.

Lead to answer the questions on the next slide in their notebooks.

Plenary (mark the work in class)

• 1 a ). Yes, the amount of water has gone

  down.

  b ). In the baking pan.

  c). It evaporated.

• 2. a). The size and shape of the containers was different.

  b ). Different amounts of water evaporated from the different containers.

• 3. Yes, everything else in the test except the containers was the same. The containers were placed in the same place and exposed to the same environmental conditions for the same length of time.

• 4. a ). The container affects evaporation.

  OR

  More water evaporates from large open containers with a large surface.

  b). Repeat the investigation with other containers with different sizes and shapes.