1) Correct exercise 1 on page 76 with this answer key:
a. They have the same volume and different mass.
b. The density of the wooden ball is 0.5 g/cm3 and the density of the iron ball is 2 g/cm3 . The iron ball has higher density.
c. Yes, the iron ball has more mass and density than the wooden ball.
2) Watch these videos that explain density in a very funny way.
3) Write this paragraph in your notebook choosing the correct words in bold (negrita) letters.
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