Sec 1 Faith: Common Mistakes made in Class Test 2

Some of the common mistakes made in Class Test (2):

SECTION A
Q5. Pure ice melts at 0 degC

• To test the purity of water, we will observed that water will boil exactly at 100 degC
• To test the purity of ice, we will observed that ice will melt exactly at 0 degC

SECTION B
Q1. Explain what is meant by the term "mass"
The amount of substance/matter packed in an object.

• Weight is the weight is a measurement of the gravitational force acting on an object
• Volume is the amount of space a substance occupies

** Pls learn how to read a vernier caliper. http://www.upscale.utoronto.ca/PVB/Harrison/Vernier/Vernier.html