Question

1. which state of matter has a fixed shape?

liquid
gas
solid
plasma

Explanation:

To determine which state of matter has a fixed shape, we analyze the properties of each state:

• Liquids take the shape of their container, so they don't have a fixed shape.
• Gases expand to fill their container, so they don't have a fixed shape.
• Solids have particles that are closely packed and held in a fixed arrangement, giving them a definite (fixed) shape.
• Plasma, like gas, does not have a fixed shape as its particles are highly energized and move freely.

Answer:

C. solid