This is a wonderful experiment to explain the concept of liquid density and gases evolving from the liquid. Start by explaining that water is heavy so it settles down and oil is lighter and floats on top of water. […]
16Jun2018
24Mar2015
Quisque in nulla ut metus cursus commodo non vitae nibh. Curabitur euismod sem vel velit […]
24Mar2015
Maecenas vel elit at dui condimentum lobortis in sed eros. Morbi iaculis euismod felis vinar. […]
22Mar2015
Aenean molestie faucibus fringilla. Nam at justo eget nulla dictum vehicula. Nulla ac mi ading, […]
25Feb2015
Quisque in nulla ut metus cursus commodo non vitae nibh. Curabitur euismod sem vel velit […]