Phase (matter)

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/phase-matter

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the particle arrangement in solids?Ordered, fixed positions with vibrational motion
2. What is the particle arrangement in liquids?Close but mobile, sliding past each other
3. What is a phase of matter?A phase is a form of matter that has a particular arrangement of particles and energy. The most common phases are solid, liquid, and gas.
4. How does water become ice?When water cools, its particles slow down and arrange into a crystal lattice, turning the liquid into a solid ice.

Intermolecular Forces: Attractive or repulsive forces between neighboring molecules.
Kinetic Energy: The energy an object possesses due to its motion.
Thermodynamics: The study of heat and its relation to other forms of energy.
Phase Diagram: A graph showing the stable phases of a substance at different temperatures and pressures.