Explain how to measure the volume of a rock by water displacement?
V(rock) = V(replaced water)
To measure the volume of a rock using water displacement, you'll need a few materials:
1. A container: A graduated cylinder or any other transparent container with volume markings will work best.
2. Water: Enough water to fully submerge the rock.
3. A rock: The rock you want to measure the volume of.
Here are the steps to measure the volume of a rock by water displacement:
1. Fill the container with water: Start by filling the container with water, making sure it is enough to fully submerge the rock.
2. Measure the initial water level: Carefully note the initial water level by reading the volume marking on the container's scale. This is your starting point.
3. Submerge the rock: Gently place the rock into the water-filled container, making sure it is completely submerged without any part sticking out.
4. Measure the new water level: After submerging the rock, the water level will rise due to the displacement of water by the rock. Again, note the new water level by reading the volume marking on the container's scale.
5. Calculate the volume: To calculate the volume of the rock, subtract the initial water level (Step 2) from the new water level (Step 4). The difference represents the volume of water displaced by the rock.
Volume of rock = Final water level - Initial water level
6. Convert to cubic units: The result obtained in Step 5 will be the volume of the rock in milliliters (mL). If you wish to convert it to cubic centimeters (cm³), which is equal to milliliters, there is no need for further conversion. However, if you prefer another unit, you may need to convert accordingly.
And that's how you can measure the volume of a rock using water displacement.