MrBadmusSummer First Half

Year 7 · Summer First Half

Physics

2 lessons from 1 unit.

Unit P11 · lessons 1 to 2 of 4

Matter and the particle model

Density is what the particle model is for: how tightly matter is packed, why a jiggling speck proves the particles are there, why hot is not the same as a lot, and why ice is the one solid that floats on its own melt.

  1. 01DensityQuantitativeSome things feel heavy for their size and others feel light. What is the real difference between them?Open this lesson
  2. 02Brownian motionModelSmoke specks in still air jiggle for hours and never settle. What does that tell us about the air?Open this lesson

Back to all three sciences this half term The whole KS3 Physics course