Periods 1- 3, 5-7: Today in class we discussed Kingdom Plantae. The classwork is in EBpack and is called Jan 14th Classwork. Finish the concept map if you did not finish it in class. The leaves were painted with clear nail polish for tomorrow.
Homework: Read the directions for tomorrow's lab and do the video assignment below!
Video link:
Directions for lab: Moss Mass Lab
Work with your lab partner.
Place your moss sample in a plastic cup and find the mass by using the triple beam balance.
Measure to the tenth of a decimal in grams.
2.
Observe what happens when you put a small piece
of the moss in water. Add water so that the cup is full and the moss is submerged. Make sure the cup is not so full that it will spill when carrying the cup to your table.
3.
Predict what will happen if you put the entire
sample in water.
4.
Place the moss sample in a large cup of water
for 10 – 15 minutes.
During the 10 - 15 minutes, prepare the slide for your stoma drawing...see below!
5.
Remove the wet moss from the cup over a sink, pour out the water, lightly wiggle the moss and put it back into the cup. Next determine the mass of the moss using the triple beam balance.
6.
How much mass did the moss gain? Compare your result with your prediction.
7.
How is water important to the reproduction of
moss?
Directions for the stoma imprints!
1. Carefully peel off the layer of nail polish and place on a glass microscope slide. Use the highest power possible to view the stoma and guard cells, draw this on your paper and label the stomata. This structure is important to the plant, why?
Directions for the stoma imprints!
1. Carefully peel off the layer of nail polish and place on a glass microscope slide. Use the highest power possible to view the stoma and guard cells, draw this on your paper and label the stomata. This structure is important to the plant, why?
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