## Experiment Video:

Tips:
Welcome, young scientist! Today is an important day. Why? Because we are catching hold on another basic. Yes, measurement a simple and must know knowledge for moving further. From the above video, you must have seen different ways to measure an object. Put on your white coat and try to measure different objects and observe them. As you know, scientist always keeps a record of his work. To help you with this, feel free to use the following freebie. Measure it up – Experiment (Free Download)

## Reasoning:

Measuring the length of the pencil.

• Ancient method – forearm, hand, or finger…

• Standard method – inches, feet or kilometer….

## Scientific Learning:

Ancient method:

• One’s hand is not as the same size as another.
• Can’t able to measure a larger object or long distance.
• Not everyone accepts the same method.
• Confusion and waste of time.

Standard method:

• Worldwide standard
• Decimal system to measure little things.
• Easy to use
• Avoids error

## Vocabulary:

Handspan:   the maximum distance between the tips of the thumb and little finger

Cubit:   an ancient measure of length, approximately equal to the length of a forearm

Metric units:   a system of measurement in which the basic units are the meter, the second, and the kilogram

Measurement:    the size, length, or amount of something, as established by measuring

Ancient:  belonging to the very distant past and no longer in existence

Reference:

• Grade 2 Geometry & Measurement by Kumon Math Workbooks
• Scholastic Learning Express L2: Time and Measurement