Volume by Water Displacement

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Presentation transcript:

Volume by Water Displacement

Volume Volume is defined as the amount of space taken up by a three-dimensional object (container). Note: 1 ml= 1 cm^3

Volume of Liquids Reading a Meniscus

Measuring Volume by Displacement Steps: Reading the initial water volume Submerge object into the water Read the final water volume Final vol – Initial vol Used for irregular shaped objects SLOWLY add the object to be measured: rubber stopper slug metal cylinder Read the new level of the water The water will rise an amount equal to the volume of the object

Do the math 1 . Original reading of volume Final volume of water This will equal the volume of the object 22.5 mL - 17.4 mL = 5.1 mL Therefore, the volume of the object by displacement is 5.1 mL

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. Measure the level after the ball has displaced some of the water. 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. Measure the level after the ball has displaced some of the water. 39 ml 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Measure the level of the water in a container. 30 ml Insert an object in the water. We’ll use a metal ball. Measure the level after the ball has displaced some of the water. 39 ml Finally, find the difference between the water level before displacement and after displacement. 39 minus 30 = 9 ml 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Using Water Displacement to Calculate Volume Vol of ball= Final Vol- Initial vol = 39 ml – 30 ml The metal ball has a volume of 9 ml! 70 ml 60 ml 50 ml 40 ml 30 ml 20 ml 10 ml

Practice problems

Take Notes here

What is Volume Note: 1 ml= 1 cm^3 Volume is defined as the amount of space taken up by a three-dimensional object (container). Note: 1 ml= 1 cm^3 56

Measuring Volume by Displacement Steps: Reading the initial water volume Submerge object into the water Read the final water volume Final vol – Initial vol Used for irregular shaped objects SLOWLY add the object to be measured: rubber stopper slug metal cylinder Read the new level of the water The water will rise an amount equal to the volume of the object 57

End of Notes

Extras

How to Calculate Density Find the volume of the object. You can use water displacement for this. Let’s use the metal ball again. It’s volume was 9 ml!

How to Calculate Density Find the volume of the object. You can use water displacement for this. Let’s use the metal ball again. It’s volume was 9 ml! Now find the mass of the object. You can use a triple bean balance scale for this.

How to Calculate Density Find the volume of the object. You can use water displacement for this. Let’s use the metal ball again. It’s volume was 9 ml! Now find the mass of the object. You can use a triple bean balance scale for this. Mass = 54 g Divide the mass by the volume! 54 g ÷ 9 ml = 6 g/ml