jose.hill
jose.hill 12h ago • 10 views

states of matter worksheets grade 7 pdf

Hey there! 👋 Need some help understanding states of matter? This worksheet breaks it down super simply. Let's learn together! 🧪
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📚 Topic Summary

Matter exists in different states: solid, liquid, gas, and plasma. Each state has unique properties determined by the arrangement and movement of its particles. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither a fixed shape nor volume. Plasma is a superheated gas with ionized particles. Understanding these states is crucial for grasping many scientific phenomena.

🧪 Part A: Vocabulary

Match the terms with their definitions:

Term Definition
1. Solid A. State of matter with no fixed shape or volume.
2. Liquid B. State of matter with ionized particles.
3. Gas C. State of matter with a fixed volume but no fixed shape.
4. Plasma D. State of matter with a fixed shape and volume.
5. Matter E. Anything that has mass and takes up space.

💧 Part B: Fill in the Blanks

Complete the following paragraph using the words: volume, shape, gas, liquid, solid.

A ______ has a definite ______ and ______. A ______ has a definite volume, but takes the shape of its container. A ______ has neither a definite shape nor volume.

🤔 Part C: Critical Thinking

Explain how the arrangement of particles differs between a solid, a liquid, and a gas. Give an example of each.

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