Matter in Our Surroundings-True/False

The following 25 True/False questions offer a comprehensive check of essential ideas from the chapter "Matter in Our Surroundings." These questions target fundamental properties of matter, such as what qualifies as matter, the kinetic theory, and the three basic states—solid, liquid, and gas. Students will also review particle movement, diffusion, compressibility, effects of temperature and pressure, and changes of state like melting, boiling, and sublimation. Each question is paired with an explanation so learners can reinforce their understanding of science concepts, dispel common misconceptions, and clarify definitions. This set is ideal for classroom quizzes, revision sessions, or self-evaluation—ensuring that concepts like diffusion, evaporation, and the particle nature of matter are not only memorized, but truly understood as foundations for further chemistry studies.

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Trigonometric Functions form a crucial foundation of higher mathematics and play a vital role in physics, engineering, astronomy, and real-life proble...

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Exercise • Jan 2026

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Exercise

Matter in Our Surroundings-True/False

by Academia Aeternum

1. Everything in the universe that occupies space and has mass is called matter.
2. Air is not considered matter because it is invisible.
3. Particles of matter are stationary and do not move.
4. The smell of hot food can reach us from a distance due to the diffusion of its particles.
5. Solids have a definite shape and definite volume.
6. Gases can be compressed more easily than solids or liquids.
7. Liquids have fixed volume but not fixed shape.
8. A wooden table is not classified as matter.
9. The particles in a liquid are tightly packed with no movement.
10. Diffusion occurs faster in solids compared to gases.
11. Melting is the change of solid to liquid at a fixed temperature.
12. Evaporation is a surface phenomenon.
13. When a liquid changes to gas, it absorbs heat from the surroundings.
14. Intermolecular forces are strongest in gases.
15. Increasing the temperature increases the rate of diffusion.
16. Plasma is one of the states of matter commonly found at room temperature.
17. Sublimation is the conversion of a liquid directly into solid.
18. Water vapor present in air is matter.
19. Boiling and evaporation are exactly the same process.
20. Particles of all states of matter have spaces between them.
21. Liquids can be compressed easily.
22. Solids diffuse very slowly when compared to liquids and gases.
23. A change of state from solid to gas directly is called fusion.
24. Cooling a gas can condense it into a liquid.
25. Solids, liquids, and gases can all undergo diffusion.

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