10 questions ยท Form 1 Science Bab 5: Matter
Which state of matter allows diffusion to occur at the fastest rate?
Prefer reading to quizzing? All 10 questions are listed below with the answer and explanation under each one.
1. Which state of matter allows diffusion to occur at the fastest rate?
Answer: C
Gas particles possess high kinetic energy and move rapidly and randomly in all directions, yielding the fastest rate of diffusion.
2. Why does a balloon expand when air is blown into it?
Answer: B
Air is matter. As more gas particles are added, they occupy space and collide against the inner balloon walls, causing expansion.
3. How do particles move inside a solid material?
Answer: C
Because of strong attractive forces, solid particles cannot translate position freely; they only vibrate and rotate in place.
4. Why can gases be compressed easily into smaller containers, whereas solids cannot?
Answer: B
Gas particles are spread far apart, leaving substantial space between them that allows compression when external pressure is applied.
5. Which physical property measures the temperature at which a liquid rapidly transitions into a gas throughout its entire volume?
Answer: B
The boiling point is the specific temperature at which liquid turns into gas throughout the bulk liquid.
6. Which of the following is the correct scientific definition of matter?
Answer: A
By definition, matter is anything that possesses mass and takes up volume (occupies space).
7. When a drop of ink is placed in a beaker of water, the water slowly changes color without stirring. What process causes this?
Answer: B
Diffusion causes ink particles to move randomly from an area of high concentration to lower concentration throughout the water.
8. How does evaporation differ from boiling?
Answer: A
Evaporation happens exclusively at the surface of a liquid across a range of temperatures below its boiling point, whereas boiling occurs throughout the liquid at a fixed temperature.
9. Which process describes the direct transformation of a solid into a gas without turning into a liquid first?
Answer: C
Sublimation is the process where a solid absorbs heat energy and transitions directly into gas.
10. Which of the following changes of state involves the release (loss) of heat energy?
Answer: C
Freezing requires liquid to lose thermal energy (cool down) to solidify.