Heat and light. Experiment 4

Fill a jar or a transparent glass with water and we put a stick or a straw vertically. Then,   move it from side to side slowly and watched through the glass. Add a cm oil and do the same.

Lucas 5ºC

I have done the experiment number 4

Here is a photo of the experiment :

Alvaro 5ºB Experiment 4 of Natural Science
By Mario Gigante

MARISA 5C

EXPERIMENT TIME

ANDREA F. 5B

Maro Arregui 5ºA

Elsa 5ºC