Question

1. define mass, volume and length. give examples of each with pictures.

Explanation:

• Mass: A measure of the amount of matter in an object. Example: A 1 kg iron bar (picture: a solid iron bar on a scale showing 1 kg).
• Volume: The amount of space an object occupies. Example: A 1 - liter water bottle filled with water (picture: a labeled 1 - liter bottle with water).
• Length: The measurement of how long an object is in one dimension. Example: A 30 - cm ruler (picture: a ruler with markings up to 30 cm).

Answer:

• Mass: Defined as the quantity of matter in a substance or object. Example: A 1 - kilogram brick (visual: A brick placed on a digital scale displaying "1 kg").
• Volume: Defined as the amount of three - dimensional space an object or substance occupies. Example: A 500 - milliliter milk carton (visual: A carton with "500 mL" label, filled with milk).
• Length: Defined as the measurement of the extent of an object along a particular dimension (e.g., one - dimensional measurement). Example: A 20 - centimeter pencil (visual: A pencil next to a ruler showing 20 cm).