2. Sink Holes are under the ground, and it’s very big hole and it can be black, it also happens with limestone rocks and also happens with sandstones, the sinkhole sucks vehicles, toys, humans and animals. Did you know there is water sinkholes? That can spin? This lady is watching the sink hole splashing water

3. Sink holes can happen in the morning evening or when its dark

4. There can be natural and man made sinkholes. Sinkholes can cause by heavy traffic and broken pipes and soil. That’s not good!

5. There are heaps of different sink holes. There are great blue hole, city sink hole, snake hole and swallow hole.

6. Sink holes can happen in the ocean. The ocean can get carbon dioxide and it can change the temperature. Oil spills can also cause sink holes. Oil in the ocean it cause sink holes.

7. What happens when sink holes cause damage? The building will vanish, people may die and environment will be gone.

8. Sink holes can be this size. This one is about 650 meters deep and 537 meters wide.

9. Sink hole happen when a limestone cracks and carries heaps of water.

10. The warning signs for sink holes: It can crack windows or doors It can crack your driveway the roof, it can damage cars and damage power.

11. Sink holes are very common all over the world. The most common thing about sink holes are the limestone. Southern Indiana has an estimated 300,000 sinkholes.

12. We can stop sink hole for happing, this man is using cement from his truck to close the sink hole.

13. What should you do when the sink hole is done? Put signs to close the fence, cement the sink hole, clean water and take people that died.

14. People can died from sink hole if they are near them. But some sink hole can’t kill you.

15. Sink hole can be where you live. If you see some thing shaking hard that might be a sink hole!