Chemical Effects of Electric Current
Class 8 · Science
3 ideas in Class 8 Science, explained in plain words, with games and quizzes to practise.
Testing Conductivity in Solutions
Part of: Conducting Liquids
This concept explains testing conductivity in solutions using evidence from electrical solutions.
Why it matters. These ideas show how electricity can pass through some liquids and change materials.
Try it in two minutes
- Check whether the liquid conducts.
- Observe what changes at the electrodes.
- Connect the evidence to the process.
Try at home. Discuss with an adult why wet hands are unsafe near electrical appliances; do not test mains electricity.
What Current Does in Solutions
Part of: Chemical Effects
This concept explains what current does in solutions using evidence from electrical solutions.
Why it matters. These ideas show how electricity can pass through some liquids and change materials.
Try it in two minutes
- Check whether the liquid conducts.
- Observe what changes at the electrodes.
- Connect the evidence to the process.
Try at home. Discuss with an adult why wet hands are unsafe near electrical appliances; do not test mains electricity.
Metal Coatings and Their Uses
Part of: Electroplating
This concept explains metal coatings and their uses using evidence from electrical solutions.
Why it matters. These ideas show how electricity can pass through some liquids and change materials.
Try it in two minutes
- Check whether the liquid conducts.
- Observe what changes at the electrodes.
- Connect the evidence to the process.
Try at home. Discuss with an adult why wet hands are unsafe near electrical appliances; do not test mains electricity.
What your child will practise
- Metal Coatings and Their Uses: Desert Quick Fire (Quick Fire)
- Metal Coatings and Their Uses: Jungle Puzzle (Clue Puzzle)
- Testing Conductivity in Solutions: Lab Explorer Sort (Sort It Out)
- Testing Conductivity in Solutions: Space Quick Fire (Quick Fire)
- What Current Does in Solutions: Explorer'S Map Quest (Collect the Answer)
- Quiz: Metal Coatings and Their Uses (8 questions)
- Quiz: Testing Conductivity in Solutions (8 questions)
- Quiz: What Current Does in Solutions (8 questions)