The process of igneous rock formation by the cooling of magma. It can be used to illustrate how the rate at which molten rock cools affects the size of the crystals that form within the solid rock – rapid cooling producing small crystals, slower cooling producing larger ones.
Close menu
- Home
- I am a …
- Resources
- Education in Chemistry
- Teach Chemistry
- Events
-
Teacher PD
- Back to parent navigation item
- Teacher PD
- What we offer
-
Courses
- Back to parent navigation item
- Courses
- Curriculum-focused courses
- Chemistry for non-specialists
-
Developing expertise in teaching chemistry
- Back to parent navigation item
- Developing expertise in teaching chemistry
- Acids and bases
- Analytical chemistry
- Carbon chemistry
- How to use and develop models – pupil resources
- Energy and change – pupil resources
- Equilibria – pupil resources
- Materials chemistry – pupil resources
- Organic chemistry – pupil resources
- Pedagogical approaches – pupil resources
- Teaching practical – pupil resources
- Quantitative chemistry – pupil resources
- Rates of reaction – pupil resources
- Redox chemistry – pupil resources
- Structure and bonding post-16 – pupil resources
- Structure and bonding pre 16 – pupil resources
- Inspiring creative chemistry teaching
- Teacher mentoring
- PD for secondary teachers
- PD for primary teachers
- Chartered Science Teacher (CSciTeach)
- Enrichment
- Our work
Joint Earth Science Education Initiative - Crystal Sizes
Related articles
ResourceTop of the bench 2019: materials practical challenge
Test students’ understanding of materials chemistry and recycling using this practical activity from our Top of the bench competition
- Resource
Redox equilibria starters (16–18)
When teaching redox equilibria, take advantage of these Starter for ten questions on redox reactions, standard electrode potentials and electrochemical cells.
- News
Chemical analysis reveals origin of Pompeian mosaic tiles
2019-03-29T12:22:00Z
Portable spectrometers shed light on the materials used in ancient Roman mosaics
More Resources
- Resource
Frozen in time: hands-on evidence
2019-11-06T09:56:00Z
Ask students to plan experiments, record data and draw conclusions in this practical activity
- Resource
Assessing the life cycle of fashion
2019-10-30T10:26:00Z
Examine the environmental impact of our clothing with these resources
