Resources by Best Evidence Science Teaching
Displaying 211 - 220 of 273
Radioactive decay
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
- Describe the effect of the electrostatic force within an atomic nucleus.
- Interpret nuclear equations to describe the alpha decay of radioactive nuclei.
- Describe what...
Radioactive half-life
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
- Identify events that are random.
- Explain how randomness can lead to predictable outcomes.
- Describe the decay of a radioactive material.
- ...
Reacting Ratios
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
- Use the concept of ratio to identify the molecule diagrams that correspond to a given balanced chemical equation.
- Recognise that a chemical equation does not account for the number...
Reactions in Solution
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
-
Use observations to determine whether a substance is in solution.
-
Recognise that a compound has properties (including solubility) that are distinct from its...
Rearrangement of Atoms
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
-
Explain that the properties of a compound may not be inferred from the properties of elements made up of its constituent atoms.
-
Use particle diagrams to represent the...
Refraction and dispersion
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
- Use ray diagrams to show how light refracts at a boundary between transparent media.
- Describe rules for the refraction of light at a boundary between transparent media.
- ...
Refraction and lenses
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
- Recall that light can change direction (refract) when it passes across a boundary between transparent media
- Describe how the angle light passes across a boundary between two...
Representing Reactions
These diagnostic questions and response activities (contained in the zip file) support students in being able to:
-
Interpret the meaning of the symbols + and → in a word equation.
-
Select the word equation that correctly represents the chemical reaction described.
-
...