KS3 Science
Rates of Reaction Cross Word
Across
3. Reaction rates can be explained by this theory.
6. An example of a slow reaction is the ____________ of iron.
8. Increasing this increases the amount of particles in a solution which
speeds up the reaction.
Down
1. The amount of energy needed for a reaction to happen is called the
_____________ energy.
2. This speeds up a reaction but is not used up in the reaction.
4. Breaking up a large lump into smaller lumps increases this.
5. A biological catalyst is called an.....
7. Increasing this makes particles move faster with greater energy.