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barker middle
packet 4
| Question | Answer |
|---|---|
| Define and give an example of Ingestion | Taking in food. Example - Animals eat plants |
| Define and give an example of Digestion | Breaking down food Example - Humans begin digestion in the mouth |
| Define and give an example of Excretion | Getting rid of waste products Example - mammals breathe out carbon dioxide |
| Define and give an example of Circulation | Transporting materials to all parts of an organism Example: Xylem and phloem transport food and water in plants |
| Define and give an example of Respiration | Releasing energy stored in food by combining it with oxygen. Example - Muscle cells convert nutrients into energy to move |
| Define and give an example of Reproduction | Making more of one's own kind Example - Bacteria splitting into two cells |
| Define and give an example of Response to Stimuli | Reacting to changes in the environment Example - jumping at sound of loud noise |
| Define and give an example of Growth and Development | As organisms age, body structures grow and change Example: caterpillars change to butterflies |
| What is the power of the eyepiece | 10X |
| What is the greatest magnification for Low. | 40X (10 x 4=40X) |
| What is the greatest magnification for medium | 100X (10 x 10=100X) |
| What is the greatest magnification for high | 400X (10 x 40=400X) |
| What identifies a compound microscope | They have two lenses |
| What is the proper way to carry a microscope | With two hands - one on the arm and one on the base |
| If you are looking at a paramecium through the microscope and it moves left out of the field of view, which way did it actually move | It moved right |
| What if it moved down | It moved up |
| AS you move from low to medium and finally high power, how much of the specimen are you actually seeing each time if it is low power | you see more of the specimen with less detail |
| As you move from low to medium and finally to high power, how much of the specimen are you actually seeing each time if it is high power | you see less of the specimen with more detail |
| Your field of view is very dark. What part of the microscope do you adjust to make it lighter | Diaphragm |
| How do you make a wet mount slide | -Put specimen on slide -Place drop of water on the specimen -Cover with coverslip -Press coverslip to remove air bubbles |
| What do you use to focus first | Coarse Adjustment knob |
| What do you use to focus second | Fine Adjustment knob |
| What is a variable | Any factor that can affect an experiment (ie. variables for plants could include: water, light, soil, etc) |
| Why is a variable important when performing an experiment? Use the terms controlled and experimental in your answer | All variables must be the same between the control group and the experimental group except for the one variable being tested. |
| Which parts of the lab do you write before the experiment | -Problem -Hypothesis -Materials -Procedure |
| Which parts of the lab do you write after the experiment | Data and conclusion |
| Describe 3 questions you might be asked in the conclusion of a lab | -What is the answer to the problem question -Was the hypothesis supported? How do you know -Was the experiment controlled? -How do you know the experiment was controlled or not controlled -Why do you think the results turned out the way they did -Why |
| Can you have an experiment with 3 variables. Why or why not? | No. If more than one variable was changed then you would not know which variable was important and why it was important |
Created by:
KellyTravis
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