Lesson Particle model lessonWorksheet Particle model worksheetLab Particle model labTest Particle model testQuiz Particle model quizQuick answer: The particle model says that all matter is made of tiny particles that are always moving. This grade 7 science quiz checks particle model with 10 multiple-choice questions and instant feedback; every answer comes with a short explanation.
The tests book with mark schemes · Grade 7 science
Every chapter in one PDF school book of 64 pages, to print or keep on your tablet.
See the book This particle model quiz for grade 7 science has quick multiple-choice questions with instant feedback. Need a refresher first? Read the lesson or do the worksheet on particle model .
Ten multiple-choice questions check the main ideas of this chapter. Choose the one best answer for each. Read the explanation after each question, because the wrong options come from real student mistakes.
Level: Grade 7 science (Year 8 · Class 7) · Curriculum: MS-PS1-1, MS-PS1-4
Which statement about particles in a solid is correct? A sealed syringe of air gets smaller when the plunger is pushed. What makes this possible? What is diffusion? In which sample does a drop of dye spread fastest? Which change of state is gas to liquid? What happens to the particles when water boils? Which particle diagram best shows a liquid? Why does air in a bicycle pump push back harder when squeezed? During melting, the temperature stays constant because the energy supplied Which observation is evidence that gas particles move randomly? What does the particle model say about matter? — Matter is made of moving particles with forces between them. Particle arrangement in a solid? — Close, regular pattern, vibrating in place. Particle arrangement in a liquid? — Close together, random, sliding past each other. Particle arrangement in a gas? — Far apart, random, moving fast in all directions. Define diffusion. — Spreading from a crowded region to a less crowded one. Solid to liquid is called? — Melting. Liquid to gas at the surface is called? — Evaporating. Gas to liquid is called? — Condensing. What causes gas pressure? — Particles hitting the container walls. Do particles change size when heated? — No, only speed and spacing change. Keep going with Lina
The tests book with mark schemes · Grade 7 science
Every chapter in one PDF school book of 64 pages, to print or keep on your tablet.
See the book 
