Page 160 - Active Science 5 Ebook and Activity

4. What is the use of a beam balance?
5. What do you mean by temperature?

G. Short Answer Questions.

1. Write the methods of measurement used in early days.
2. Define capacity. What are the units of measurement of capacity?

3. Define mass. What are the units of measurement of mass?
4. Define time and time period.

5. Write the names of units used to measure time.

H. Long Answer Questions.
1. What are the drawbacks of using body parts for measurement?

2. Write the relationship between different units of time.
3. Define temperature. Give the relationship between degree Celsius and degree Fahrenheit.
What is the use of clinical thermometer?

Think Hard

Suppose duration of a period of your school is 35 minutes and duration of recess is 25 minutes.
Express these in terms of seconds. (One minute is equal to sixty seconds.)

Project Work

Measure the length of the bulletin board in your classroom, using cubit. Also ask your friend to
use cubit for the same measurement. Note down the two readings and find the difference.

Research and Development

Suppose there is the Sports Day in your school. There are weight lifting competitions and 100
metres race competitions for your class.

a. Which device will your class teacher use to record the weight of the students?
b. Which device will you use to draw the track on the ground. (for second event)?

c. What device will you use to note down the time (for second event)?

Net Work
• To perform an activity on measurement, log on to http://www.education.
com/activity/article/footfunmeasurement_kindergarten/
• To attempt a quiz on units of measurement, visit http://www.funtrivia.
com/html5/index.cfm?qid=174809

160 Active Science-5