Science
Earth's Systems
Conceptual
7–8 yrs
Properties of materials
材料的性质
Description
Compare and group different kinds of rocks based on their appearance and simple physical properties such as hardness, texture, and colour
Mastery Evidence
- Describe at least three observable properties of rocks: hardness, texture, colour, grain size
- Sort a collection of rocks into groups based on chosen properties
- Compare two rocks and describe how their properties differ
Assessment Prompt
Can your child examine a collection of rocks and sort them by whether they're hard or crumbly, rough or smooth, and light or dark?
Prerequisites 1
Grouping Materials
按性质对材料分类，为按性质对岩石分类提供支撑
