NST1501 Assignment 2
Memo (COMPLETE
ANSWERS) Due 17 June
2025
For assistance contact
Email:
, QUESTION 1
1.1 Define matter. (2)
Matter is anything that occupies space and has mass.
1.2 What are molecules made of? (2)
Molecules are groups of atoms that are chemically bonded together.
1.3 Describe the particle arrangement in a solid. (2)
Particles in a solid are tightly packed together.
1.4 At what temperature do particles of matter move? (1)
Particles of matter move at any temperature above absolute zero degrees Celsius.
1.5 How does temperature affect the state of matter? (2)
When there is a temperature change, the state of matter may change from one phase to another.
1.6 What do the particles do when a substance freezes? (1)
When a substance freezes, the particles lose energy and become fixed in position.
QUESTION 2
2.1 Changes of states of matter are caused by a change in temperature. True
2.2 When water is exposed to any temperature lower than room temperature, it will freeze. False
2.3 Vaporization is the phase change in which a substance occurs directly from solid
to gas state without passing through the liquid phase. False
2.4 There are six changes of state of matter. True
2.5 Deposition is the reverse of sublimation, where a gas changes directly into a solid
without passing through the liquid phase first. True
QUESTION 3
3.1 What is the purpose of assessment in the classroom? (2)
The function of assessment in the classroom is to measure student
learning, give feedback, inform instruction, and inform decision-making.
3.2 How does Neluheni (2011) define assessment in terms of what he says? (2)
Assessment, according to Neluheni (2011), refers to an ongoing process
of determining, collecting, and interpreting data on students' learning and development.
3.3 Why is assessment necessary in the teaching and learning process? (2)
Assessment is an integral part of the teaching and learning
process since it directs instruction, uncovers learning gaps, motivates learners, and validates
Memo (COMPLETE
ANSWERS) Due 17 June
2025
For assistance contact
Email:
, QUESTION 1
1.1 Define matter. (2)
Matter is anything that occupies space and has mass.
1.2 What are molecules made of? (2)
Molecules are groups of atoms that are chemically bonded together.
1.3 Describe the particle arrangement in a solid. (2)
Particles in a solid are tightly packed together.
1.4 At what temperature do particles of matter move? (1)
Particles of matter move at any temperature above absolute zero degrees Celsius.
1.5 How does temperature affect the state of matter? (2)
When there is a temperature change, the state of matter may change from one phase to another.
1.6 What do the particles do when a substance freezes? (1)
When a substance freezes, the particles lose energy and become fixed in position.
QUESTION 2
2.1 Changes of states of matter are caused by a change in temperature. True
2.2 When water is exposed to any temperature lower than room temperature, it will freeze. False
2.3 Vaporization is the phase change in which a substance occurs directly from solid
to gas state without passing through the liquid phase. False
2.4 There are six changes of state of matter. True
2.5 Deposition is the reverse of sublimation, where a gas changes directly into a solid
without passing through the liquid phase first. True
QUESTION 3
3.1 What is the purpose of assessment in the classroom? (2)
The function of assessment in the classroom is to measure student
learning, give feedback, inform instruction, and inform decision-making.
3.2 How does Neluheni (2011) define assessment in terms of what he says? (2)
Assessment, according to Neluheni (2011), refers to an ongoing process
of determining, collecting, and interpreting data on students' learning and development.
3.3 Why is assessment necessary in the teaching and learning process? (2)
Assessment is an integral part of the teaching and learning
process since it directs instruction, uncovers learning gaps, motivates learners, and validates
