NST1501 ASSIGNMENT 2 ANSWERS 2025

NST1501
ASSIGNMENT 2
ANSWERS 2025




NST1501 ASSIGNMENT 2 ANSWERS
2025

, NST1501

ASSIGNMENT NUMBER 02

ASSIGNMENT DUE DATE: 17 June 2025




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** bonded together.

1. 3 Describe the particle arrangement in a solid. (2)

In a solid, particles 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/ -273.15**
Celsius. (-273 is also acceptable as an approximation)

1. 5 Explain how temperature affects the state of matter. (2)

When temperature **changes**, the state of matter can **change** from one form
to another.

1. 6 What happens to the particles when a substance freezes? (1)

When a substance freezes, the particles **slow down**.



**QUESTION 2**