11 Make your own erupting volcano

MAKE YOUR OWN ERUPTING VOLCANO YOU WILL NEED Warm water Empty plastic bottle Baking soda Red food coloring Dish-washing liquid Tray Damp sand Vinegar 1 Pour warm water into a bottle until it is almost full. Add 2 tosp of baking soda, then put the cap on the bottle and shake to dissolve. 2 Add a few drops of red food coloring and a squeeze of disn-wasning liquid. Put the bottle on a tray.

制作自己的火山喷发你需要温水空的塑料瓶小苏打红色食用色素洗洁精托盘湿沙醋1将温水倒入瓶中，直到几乎装满。 加入两勺小苏打，然后盖上瓶盖，摇晃使其溶解。 2 .加入几滴红色食用色素和一些洗洁精。 把瓶子放在托盘上。

3 Pile damp sand around the bottle to make the shape of a volcano. 4 Pour vinegar into the bottle and watch the eruption! WHAT'S HAPPENING? Unlike a real volcano that erupts because pressure causes molten rock to burst to the Earth's surface, this model erupts because of a chemical reaction between the vinegar and baking soda.

把湿沙堆在瓶子周围，做成火山的形状。 4把醋倒进瓶子里，看喷发！发生什么事情了? 与真正的火山爆发不同，火山爆发是由于压力导致熔岩喷发到地球表面，而这个模型的爆发是由于醋和小苏打之间的化学反应。