Volume mass and Density https://www.youtube.com/watch?v=GnBQ6vIutDM
Is gold real gold https://www.youtube.com/watch?v=KMNwXUCXLdk
Float or sink https://www.youtube.com/watch?v=nMlXU97E-uQ
What do you know about volume, mass and density
Calculating Density https://www.youtube.com/watch?v=7tVebi3TSsg
additional exersizes density 1.pdf
additional exersizes density 2 HAVO.pdf