SOLUTION: Matter states KS3 worksheet - Studypool - Free Printable

This image displays a completed "States of Matter for KS3 Worksheet." The worksheet has been filled out with answers, which I will now explain in detail.

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Question 1: Name the three states of matter and draw a particle diagram for each.

The worksheet shows three diagrams representing the particle arrangements in solids, liquids, and gases.

- Solid: The first diagram on the left depicts particles arranged in a tight, orderly grid. This represents a solid, where particles are closely packed and vibrate in fixed positions.
- Liquid: The middle diagram shows particles that are still close together but arranged randomly. This represents a liquid, where particles can move past one another but remain in contact.
- Gas: The third diagram on the right shows particles that are far apart and moving freely. This represents a gas, where particles have high kinetic energy and fill the available space.

Answer:
- Solid
- Liquid
- Gas

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Question 2: Complete the diagram below.

This question presents a flowchart illustrating the phase changes between the states of matter.

The diagram has two large boxes labeled "solid" and "gas," with arrows indicating transitions between them. The arrows are labeled with the names of the phase changes.

- From solid to liquid: The process is called melting.
- From liquid to solid: The process is called freezing (solidification).
- From liquid to gas: The process is called boiling/evaporation.
- From gas to liquid: The process is called condensation.
- From solid to gas (bypassing liquid): The process is called sublimation.
- From gas to solid (bypassing liquid): The process is called deposition.

The worksheet correctly labels these transitions.

Answer:
- Melting
- Freezing/Solidification
- Boiling/Evaporation
- Condensation
- Sublimation
- Deposition

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Question 3: Tick a Cross to show which states have which properties.

This question asks to match the properties of matter with the correct state(s).

The table has three columns for Solid, Liquid, and Gas, and three rows for properties:

1. Fixed Shape: Only solids have a fixed shape because their particles are locked in place. Liquids and gases take the shape of their container.
- ✔ Solid
- ✘ Liquid
- ✘ Gas

2. Fixed Volume: Solids and liquids have a fixed volume. Gases expand to fill their container and do not have a fixed volume.
- ✔ Solid
- ✔ Liquid
- ✘ Gas

3. Easily Compressed: Gases are easily compressed because there is a lot of space between particles. Solids and liquids are not easily compressed because their particles are already close together.
- ✘ Solid
- ✘ Liquid
- ✔ Gas

The worksheet correctly marks these properties with ticks (✔) and crosses (✘).

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Final Answer Summary

1. States of Matter:
- Solid
- Liquid
- Gas

2. Phase Changes:
- Melting (solid → liquid)
- Freezing/Solidification (liquid → solid)
- Boiling/Evaporation (liquid → gas)
- Condensation (gas → liquid)
- Sublimation (solid → gas)
- Deposition (gas → solid)

3. Properties:
- Fixed Shape: Solid only
- Fixed Volume: Solid and Liquid
- Easily Compressed: Gas only

This worksheet provides a comprehensive overview of the states of matter and their properties, suitable for Key Stage 3 (KS3) students.