1
00:00:05,940 --> 00:00:11,779
Okay, for the ones who don't have materials to do it, just take a look what happens.

2
00:00:12,820 --> 00:00:22,719
We put it in, we put it in, and you can see how the balloon gets a lot of gas in.

3
00:00:25,620 --> 00:00:36,250
Okay, after doing this, fill the two boxes, the results and the conclusions.

4
00:00:36,250 --> 00:00:39,030
Explain the conclusions carefully.

5
00:00:39,030 --> 00:00:48,030
and in the last box with the conclusion let me know if it's physical what do you think if it's

6
00:00:48,030 --> 00:00:58,729
physical or a chemical change remember in the chemical change the properties are different

7
00:00:58,729 --> 00:01:07,250
okay and they cannot be undone okay i wait for your answers bye bye