Volume Of Liquid

Volume of liquid refers to the capacity of liquids in the containers. Capacity can be measured by using non standard units (more or less) and in standard units in millilitre (ml) and litre (l) in the metric system. Measurement is a set of complex skills and concepts that completely develop over a period of many years (Clements & Stephan, 2004). Typically, children are not able to successfully use all measuring tools or to create and use complex formulas until they are in the upper grades. Research indicates that it is best if measurement activities begin with learning non standard units (more or less) and by later by standard units (ml).

The video shows how volume of liquid is measured using a measuring cylinder. Since volume of an object is the amount of space it takes up, the video shows how to measure the volume of liquid using a graduated cylinder. (“Graduated” means that the cylinder is marked with measurement units.) Volume of a graduated cylinder is read at eye level. The water in a graduated cylinder has a curved surface called the meniscus. The volume at the bottom of the meniscus taken note is when measuring volume of particular liquid. The video points out that volume of a liquid is the capacity of liquid in the container .Thus the students will not be confused between the concept of height of a container and capacity of a container in order to measure the volume.

Investigations amount of liquids which can be poured between containers of different shapes and sizes. Exploration of capacity or volume of liquid involves manipulation of containers of various sizes that may either be collected or purchased for classroom activities. A cheap way to do the activities is to have students collect some containers such as mineral water bottles, soft drink cans, vases which can be easily found around them. Besides that, teacher can also display collections of measuring cylinders vary in sizes at a learning centre for students to explore capacity measurement