Biology - Topics and materials from previous lessons

18.03.2020
Topic: Reflection
1) How we see things.
2) How to change the direction of light.
3) What happens when a ray of light hits a mirrow or other reflective surface.
Homework: Page 39 & 40 in Workbook

24.03.2020
Topic: Life Cycles and Light - Review lesson
1. Flower structure - from picture
2. Pollination and fertilization - what is it?
3. Ways of seed dispersal
4. Plants' life cycle
5. Light sources
6. Blackout blinds - which material is the best
7. How can we change the size of shadows
8. How can change the lenght and the direction of a shadow?
9. How our eyes see things?
10. Reflection - what is it?

7.04.2020
Topic: Changing state
1) Physical states:
            a) gas
            b) liquid
            c) gas
2) How water changes its physical state?
3) Melting and freezing.