Measurements & Experimential Techniques

Question 1

4 Types of Physical Properties to measure

Answer 1

1. Temperature
2. Mass
3. Time
4. Volume

Question 2

S.I. Unit for Temperature ?

Answer 2

Kelvin (K)

Question 3

S.I. Unit for Time ?

Answer 3

Second (s)

Question 4

S.I. Unit for Volume ?

Answer 4

Cubic Metre (cm^3)

Question 5

S.I. Unit for Mass?

Answer 5

kilogram (kg)

Question 6

Measuring Apparatus for Mass ?

Answer 6

1. Beam Balance

2. Electronic Balance

Question 7

What is the beam balance usually used for ?

Answer 7

It is used to measure mass of solid.

Question 8

What is a function of an electronic balance ?

Answer 8

“Tare” - rezero

Question 9

What is the accuracy of a electronic balance?

Answer 9

+/- 0.01 g (2dp)

Question 10

What is the electronic balance used for ?

Answer 10

Precise and fast weighing.

[Often, small masses of substances need to be measured in Chem experiments]

Question 11

Smaller masses are measured in ? Or mass is usually measured in ?

Answer 11

grams (g)

Question 12

1 kg = ___ g ?

Answer 12

1 kg = 1000 g

Question 13

1 tonne (t) = ___ kg ?

Answer 13

1 t = 1000 kg

Question 14

Apparatus used to measure Temperature ?

Answer 14

1. Thermometer

2. (Temperature sensor connected to) Data Logger

Question 15

What is another unit temperature can be usually used ?

Answer 15

Degree Celsius “^o C”