Videos
AQA · GCSE · Chemistry
Pick a topic to watch.
10 video lessons
13:57
Topic 1: Atomic structure and the periodic table
Begin with particles. Proton number identifies the element; electron arrangement helps explain reaction …
13:15
Topic 2: Bonding, structure and the properties of matter
A melting point or conductivity is a property of a bulk sample. Explain it by identifying the structure …
9:40
Topic 3: Quantitative chemistry
Quantitative chemistry connects measured mass and volume to particles. Begin with the balanced equation …
9:51
Topic 4: Chemical changes
A copper wire and magnesium ribbon behave differently in dilute hydrochloric acid. Electrolysis can forc…
8:30
Topic 5: Energy changes
A temperature change is evidence about an energy transfer. Energy is conserved in both directions. Highe…
9:43
Topic 6: The rate and extent of chemical change
A fast reaction does not necessarily give a large amount of product. We will measure changes over time, …
11:01
Topic 7: Organic chemistry
Choose the process from what happens to the molecules. Heating alone does not tell us which process is t…
9:23
Topic 8: Chemical analysis
A green flame suggests copper, but contamination or masking can mislead. Choose a test that can distingu…
10:06
Topic 9: Chemistry of the atmosphere
A gas may be invisible but still matter. Build each explanation from its source, through the chemical pr…
13:31
Topic 10: Using resources
Begin with the job a material or process must do. A cheap raw material can require expensive treatment. …