1. Time
2. Telling Where
3. Dandelions
4. Stems and roots
5. Seeds
6. Leaves
7. Who is right?
8. Measuring things
9. Temperature
10. Melting things
11. Water in the air
12. Room for water
13. Mirrors
14. Shadows
15. Power
16. Magnets
17. Tracks
18. Buds
19. Goldfish
20. Animal life