Aim: To dissect, observe, draw and label a flower.
Method:
1.
Use the diagram to identify parts of your flower. Use the hand lens/magnifying
glass/microscope to examine parts of the flower in more detail.
2.
Draw and label your flower in your exercise book.
3.
Use the tweezers to hold the flower upside down, carefully cut down the stem so that you cut
the flower exactly in half.
4.
Turn the flower and carefully view the cross-section of a flower you have created… again use
magnifying tools.
5.
Draw a labeled diagram of what you see.
6.
Count how many ovules there are in the ovary and record this number. ______
Questions:
1.
Why is the stigma sticky? ________________________________________________
2. Different types of flowering plants have different shapes and sizes of pollen. Why do you think
this is?
_________________________________________________________________
3. What is the function of the sepals? ____________________________________________
4. The petals on most flowers are brightly coloured. Suggest a reason for this.
______________________________________________________________________
5. What do you think happens after the eggs are fertilised? ___________________________