# Lesson: Measuring Liquid Volume

David Kujawski Bird Middle East Walpole, MA
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### Lesson Objective

YWBAT: 1.) Identify the scale on a graduated cylinder in order to measure the volume of a liquid.

### Lesson Plan

DO NOW: Define volume.  Review. (The amount of space an object takes up)

STATE:  In today's class we are going to learn about the tool used to measure the volume of a liquid.  Just like when you use a ruler to measure length, scientists use graduated cylinders to measure the volume of a liquid.  Before you can actually use a grauated cylinder, it is important to know how to read one.  Today we will learn how to read a graduated cylinder and tomorrow we will practice using real ones.

NEXT: Show students a graduated cylinder and explain that it's basically a ruler that measures in 3 dimensions, as opposed to a ruler, which only measures 1 dimension.  Again, reiterate that volume is a 3-d measurement.  Explain that the basic unit for volume is liter (L) and that most graduated cylinders measure in milliliters (mL).

MODEL to students:

Give (Student worksheet 1) to class and model several examples to the class.

Step 1: Identify the scale of the graduated cylinder.  Is each line worth .1mL, 1mL, 2mL?

Step 2: Look at the bottom of the menicus to take the reading to determine the volume of the liquid.

NEXT: Have students practice by completing (Classwork worksheet 1) with a partner.  Review with class.

Check for understanding: Circulate around the room and have students tell you the volume of different graduated cylinders.

Homework: (Homework sheet 1)

### Lesson Resources

 Homework worksheet 1 4,260 Classwork worksheet 1 4,742 Student worksheet 1 3,312