Resources by Best Evidence Science Teaching
Displaying 191 - 200 of 253
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.
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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:
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Use observations to determine whether a substance is in solution.
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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:
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Explain that the properties of a compound may not be inferred from the properties of elements made up of its constituent atoms.
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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.
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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...