Combined Science · Beginner lesson
Types of Reactions
Build the core idea from scratch with gentle steps and lots of hints.
5
Questions
~4
Minutes
3
Hints/Q
Confidence tracking, 3-tier hints and instant feedback.
What you'll learn
- 1Reactants → products.
- 2Combustion needs oxygen.
- 3Rusting is oxidation.
- 4Signs: heat, colour, gas, precipitate.
Question mix
- True / False×3
- Fill the gap×1
- Multiple choice×1
How it works
Score ≥ 80% to unlock the next level- 1
Rate your confidence
Tell us how sure you feel before answering. It powers your weak-topic map.
- 2
Use hints if stuck
Reveal up to 3 progressive hints per question. Using fewer earns more points.
- 3
See what went wrong
Instant feedback solves the exact question you just answered, so nothing stays fuzzy.
Ready when you are. This takes about 4 minutes.