Fill in the Blanks DisastersOnline version fill in by Елена Awramenko 1 strong Avalanche volcano world under weather snow mountains environment magma eruption careful Hailstorms rocks waters buildings flood Landslide farms dangerous " " means a lot of snow falling down a mountain really fast . It happens when the gets too heavy and slides down . Avalanches can be , so it's important to be careful in snowy and follow safety advice . " Hailstorms " mean when small balls of ice fall from the sky . It happens during thunderstorms when the is very cold up high . The ice balls are called hailstones , and they can be as small as peas or as big as golf balls . can be noisy and might damage things outside , like cars or plants . It's good to stay indoors when a hailstorm is happening . " " means when a lot of earth and suddenly move down a hill or a mountain . It can happen because of heavy rain or other reasons . Landslides can be dangerous , and it's important to be in areas where they might occur . " Volcanic " means that a volcano , which is a mountain that can spew out hot lava , ash , and gases , is erupting . During an eruption , the releases materials from inside the Earth , like molten rock called , and this can cause various phenomena such as lava flows and ash clouds . It's a natural event that happens due to processes beneath the Earth's surface . Volcanic eruptions can have effects on the and nearby communities . " Tornado " means a strong and swirling wind that comes from a thunderstorm . It looks like a twisting funnel of air and can be very powerful . Tornadoes can cause damage to and trees . They happen during certain kinds of severe weather , like thunderstorms , and are a natural phenomenon . " Hurricane " means a very and big storm with heavy rain and powerful winds . It forms over warm ocean and can cause a lot of damage when it reaches land . A hurricane can have a circular shape , and the center is called the eye , where the weather is usually calm . Hurricanes are natural events that occur in certain parts of the . " Drought " means that there is not enough rain for a long time . During a drought , the land becomes very dry , and it can be challenging for plants , animals , and people to get the water they need . Droughts are natural events , and they can affect , rivers , and overall water supply . " Tsunami " means a very big ocean wave caused by something like an earthquake or a volcano the sea . It can be very powerful and can coastal areas . Tsunamis are natural events that happen in certain situations and can have a significant impact on the areas they reach .