Final review · Put it all together
The light and waves challenge
5 questions · About 6 minutes · Learn at your own pace
Your goalTrace a message, audit an image, and choose evidence in five new observing situations.
Challenge points — / 100
10 per answer + 50 for completing the challenge0 of 5 answered correctly
Use what you learned across the course. Revisit a lesson whenever you need it; your answers will wait here. Retries never cost points.
1. Wave measurements
10 points2. Signal carriers
10 points3. Spectrum and intensity
10 points4. Optical limits
10 points5. Spectral evidence
10 pointsThe connections you made
Bring the whole story together.
Answer all 5 questions correctly to earn the 50-point completion bonus. Your correct answers are kept as you go.
Use Practice again to retry any completed question without changing your result.