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23 Cards in this Set
- Front
- Back
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How do you calculate the total magnification of a microscope? |
Multiply the eyepience times the objective lens |
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Element |
Any substance that cannot be broken down into a similar substance |
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Compound |
Two or more elements that are chemically combined |
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What is the maximum number of electrons that can exist on the first three energy levels? |
2-8-8 |
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Chemical formula for water |
H20 |
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What do you do if a beaker breaks in the classroom during the lab? |
Tell an adult as soon as possible |
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Name the subatomic particles that make up an atom |
Protons, Neutrons, Electrons |
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What happens when 2 protons or two electrons come near each other? |
They repel |
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Name the three parts of the cell theory |
1. All living things are composed of cell 2. Cells are the basic unit of structure and function of living things 3. All cells are produced from other cells. |
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What part of the microscope controls the amount of light directed at a slide? |
Diaphragm |
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Which organelle is not found in the animal cell? |
Chloroplast |
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Which organelle is the control center of the cell? |
Nucleus |
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By combining Mn+Ni and bringing them to a boil, what did you create |
Compound |
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If Pb is found on the periodic table , what is it? |
An element |
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What is osmosis? |
The diffusion of water molecules through a selectively permeable membrane
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What is diffusion? |
The process by which molecules move from an area of higher concentration to an area of lower concentration |
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What is active transport? |
The movement of materials through a cell membrane |
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What is passive transport? |
The movement of materials through the cell membrane without using energy |
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What is active and passive transport |
Active transport uses energy |
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When subatomic particles have opposite charges what happens? |
They attract |
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When subatomic particles have the same charge, what happens? |
They repel |
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What is the outer part of an atom made of? |
Electrons |
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The storage compartment for a cell is the _____ |
Vacuoles |
