I hope you enjoyed learning about Sir Isaac Newton and gravity last week. This week or focus is on Alexander Graham Bell. Do you know what he invented? Watch the video clip below to find out more about him.
So now you know that he invented the first telephone. You are going to make a telephone following the instuctions on the pdf below. You will then use your phone to answer the questions on the second pdf. You will be working scientifically to see if sound travels through string.