K5 Learning
Changes
You can't unring a bell, but can you unmelt an ice cube? Readers consider reversible and irreversible changes with a short informational reading passage and accompanying comprehension questions.
Curated OER
Reversible and Irreversible Changes
In this reversible and irreversible changes worksheets, students examine 4 pairs of pictures and identify whether the changes shown between each pair are reversible or irreversible.
Curated OER
Reversible and Irreversible Changes
In this change worksheet, students look at pairs of pictures that have changed, writing either reversible or irreversible to describe the change that took place.
Curated OER
Different Types of Changes (1.2)
In this recognizing different types of changes worksheet, students answer questions about such things as reversible change, irreversible process, climatic change, filtration process, physical change, and change in the state of a...
National Institute of Open Schooling
Chemical Equilibrium
Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...