Final answer:
To determine the density of a square wood block, you need a balance and a ruler.
Explanation:
To determine the density of a square wood block, you would need a balance and a ruler. You would first measure the mass of the block using the balance and then calculate its volume using the ruler, as density is mass divided by volume.
Learn more about Density measurement here:
https://brainly.com/question/29581088
