OMM
Lesson 7
Exploring Cells
Introduction
See p 82Read p 83-85Discuss
Inquiry 7.1
Obtain a sample of Spirogyra Observe under 100X magnification
and discuss how this alga got its name
Inquiry 7.1
Observe under 400X and focus on one cell
Draw the cellTitle: Spirogyra cellMagnification: 400XLabel at least two organellesMeasure the cell length
Inquiry 7.2
Prepare a wet-mount slide with a piece of onion…procedure on p 89
Observe under 400X magnificationTitle: Onion CellLabel: cell wall, nucleus, cytoplasmMeasure cell length
Why are there no chloroplasts?
Inquiry 7.3 Question
How does salt effect a plant cell?
Hypothesis:
If…then…because
Procedure:
See p 90Observe Elodea from freshwaterObserve Elodea from salt water
Data:
Drawing of Elodea from freshwaterDrawing of Elodea from salt water
Vocabulary:
cell cell membranecell wall chloroplastchromosome cytoplasmDNA endoplasmic reticulumGolgi bodies lysosomemitochondria nucleusorganelle photosythesisribosome vacuole
Conclusion:
A conclusion answers the original question (look back at the question).
Be sure to write complete sentences.
Use and underline each of the vocabulary words that apply to Inquiry 7.3 in writing your conclusion.
Inquiry 7.4
Observe prepared slide of mammalian epithelial tissue
Draw an epithelial cellTitle: Cheek CellLabel: cell membrane, cytoplasm, nucleusMagnificationMeasure cell length
Inquiry 7.4Observe prepared slide of a
mammalian nerve cellDraw a nerve cell
Title: Nerve CellLabel: cell membrane, cytoplasm, nucleusMagnificationMeasure cell lengthCompare nerve and epithelial cells
Reflection:
Answer questions on page 93