5 Questions
What is the difference between stone and glass in terms of transparency?
Stone is transparent, while glass is opaque.
What is the difference between a notebook and an eraser in terms of lustre?
A notebook has lustre, while an eraser does not.
What happens when chalk is mixed with water?
Chalk dissolves in water.
What happens when a piece of wood is placed in water?
A piece of wood floats on water.
What happens when sugar is mixed with water?
Sugar dissolves in water.
Study Notes
Properties of Materials
- Stone is not transparent, it is opaque.
- Glass is transparent.
- A notebook has lustre, meaning it reflects light, while an eraser does not.
- Chalk does not dissolve in water.
- A piece of wood can sink or float in water, depending on its density.
- Sugar dissolves in water.
- Oil and water do not mix, they are immiscible.
- Sand settles down in water because it is denser than water.
- Vinegar dissolves in water.
Test your understanding of the properties of different materials, including transparency, lustre, solubility, and buoyancy.
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