Please remember to take photos showing Take a NICELY labeled picture of the column as you are building it to show what it look after you add each substance. Label each picture with the layer number and the substance used eg. layer 1 – water. Include a picture of the density column with something indicating what each layer is made of. Attached please find the questions for the project and below are the links to the videos assigned for this project. Please remember that taking photos of the steps involved in the project is important! https://www.youtube.com/watch?v=KMNwXUCXLdk https://www.youtube.com/watch?v=KMNwXUCXLdk