Find the meanings of the following words. Use your smart phone

1. 
   Find the meanings of the following words. Use your smart phone.
   

1. 
   to surf
   
2. 
   to cause
   
3. 
   headachesd
   
4. 
   cancer
   
5. 
   dangerousf
   
6. 
   cell phon
   

2. 
   Read the following text:
   

Some people have 3G cell phones. People surf the internet and take photos with these phones. Some people say 3G phones cause headaches and earaches.

Some people say they may cause cancer. Rona has a 3G phone. She says that it is fun. Maor does not have a 3G phone. He says that it is dangerous.

3. 
   Answer the following questions.
   

b). What do people do with these phones?

c). May it be dangerous?

4. 
   Fill in missing words in the following sentences:
   

I have a ________ .