1. Lab Practical Lab Safety Scientific Method Graphs (Dry Mix) pH Lab
Carbohydrate Lab
Microscope Lab
Lab supplies
Cell Lab
Baggie lab
Egg lab
DNA Cut-out Lab
Zweeble Lab
Onion Root Tip Lab

2. Scientific Method What might be a good hypothesis?
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Scientific Method
What might be a good hypothesis?
What is the dependent variable?
What is the independent variable?
DRY MIX

3. pH Lab Purpose: Measure the pH of common substances.
What is the pH of milk?
Is lemon juice acidic or basic?
Is ammonia acidic or basic?
Acidic vs Basic

4. Carbohydrate Lab
Purpose: Determine whether common foods contain mono-, di-, or polysaccharides.
What color does the substance change when iodine is added to starch?

5. Carbohydrate Lab Iodine: Change from _________ to _________
Type of Carbohydrates?

6. Carbohydrate Lab Benedict’s: Change from _________ to _________
Type of Carbohydrate?

7. Carbohydrate Lab
How does one test for disaccharides?

8. Microscope Lab Purpose: Get familiar with microscope use and handling.
Objective Lenses
Adjustment knobs
Functions of structures

9. Cells Lab Purpose: Identify the parts of a cell using a microscope.
What type of cell?
Structure?

10. Baggie Lab
Purpose: Demonstrate how a semi-permeable membrane operates.
What material is inside the bag?
Outside the bag?
What happens to the bag?
Is the bag permeable to starch?

11. Egg Lab
Purpose: Observe how cells react to different environmental conditions using osmosis.
Type of solution: Hypertonic, Hypotonic, Isotonic
Direction of water movement

12. DNA Cutout Lab

13. Protein Synthesis/Zweeble Labs
Transcribe DNA into mRNA
Use mRNA codon chart to identify amino acids

14. Onion Root Tip Lab
Purpose: Identify cells in various stages of the cell cycle.
What is phase A? B? C?
Put the pictures in order! A B C