Volume ws | PDF - Free Printable

Let’s solve this step by step.

This worksheet is about the water displacement method — used to find the volume of an irregular object (like a rock or cylinder) by seeing how much water it pushes up when you drop it in.

Here’s how it works:
1. Look at the first graduated cylinder — that’s the starting water level.
2. Look at the second one — that’s after the object is added.
3. Subtract the first number from the second — that difference is the volume of the object.

We’ll go pair by pair.

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Top Left Pair:

First cylinder: Water level = 25 mL
Second cylinder: Water level = 30 mL
Volume of rock = 30 - 25 = 5 mL

✔ Check: The scale goes every 5 mL? Let’s see — between 20 and 30, there are two lines → so each line is 5 mL. Yes, 25 to 30 is 5 mL. Correct.

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Top Right Pair:

First cylinder: Water level = 30 mL
Second cylinder: Water level = 35 mL
Volume of rock = 35 - 30 = 5 mL

✔ Check: Scale again — from 25 to 35, with marks at 30 → yes, each mark is 5 mL. So 30 to 35 is 5 mL. Correct.

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Bottom Left Pair:

First cylinder: Water level = 30 mL
Second cylinder: Water level = 40 mL
Volume of cylinder = 40 - 30 = 10 mL

✔ Check: From 20 to 40, with marks at 30 → each major division is 10 mL? Wait — actually, looking closely: from 20 to 40, there are 4 small lines → so each small line is 5 mL? But wait — the numbers shown are 20 and 40, and the water is halfway between 20 and 40? Actually, no — let’s recheck.

Wait — in bottom left, first cylinder shows water at 30 mL (midway between 20 and 40). Second shows water at 40 mL. So 40 - 30 = 10 mL. That makes sense. And since the object is a cylinder (regular shape), but we’re still using displacement — same rule applies. Volume = 10 mL.

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Bottom Right Pair:

First cylinder: Water level = 20 mL
Second cylinder: Water level = 25 mL
Volume of cylinder = 25 - 20 = 5 mL

✔ Check: Scale from 20 to 25 — only one interval shown, so likely 5 mL per step. Yes, 20 to 25 is 5 mL. Correct.

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Now, let’s write down all answers clearly:

- Top left rock: 5 mL
- Top right rock: 5 mL
- Bottom left cylinder: 10 mL
- Bottom right cylinder: 5 mL

All calculations checked and verified.

Final Answer:
Top left: 5 mL; Top right: 5 mL; Bottom left: 10 mL; Bottom right: 5 mL