Question | Answer |
Basic unit of all living things | Cells |
swivels allowing you to view from different directions | Head |
rotates lens to change magnification | nosepiece |
smallest of the lenses on the microscope | low power |
magnification of the low power lens? | 4x |
middle of the lenses on the microscope | medium power |
magnification of medium power | 10x |
largest of the lenses on the microscope | high power |
magnification of high power | 40x |
the lens you look through | eyepiece |
magnification of the eyepiece | 10x |
how to calculate total magnification | eyepiece magnification times the lens magnification (10x time 40x = 400x |
changes the amount of light | diaphragm |
illuminates the stage | light |
supports the lens and eyepiece. Connects head to base and used to help carry the microscope | arm |
part that holds the slide for viewing | stage |
big knob used to adjust the focus at lower powers | coarse knob |
little knob used to adjust smaller focus. Used mainly on high power | fine knob |
supports the entire microscope | base |
discovered cells by looking at cork | Hooke |
discovered single cell organisms in pond water | Leeuwenhoek |
disproved spontaneous generation | Pasteur |
discovered all plants are made of cells | Schleiden |
discovered all animals are made of cells | Schwann |
He got credit for discovering that cells come from other cells but he "borrowed" his work from another scientist. | Virchow |
Actually discovered that cells come from other cells | Remak |
Living things must have at least this many cells | one |
Basic unit of all living things | cells |
cells come from... | other cells |
What are the 3 parts of the cell theory? | +All living things have one or more cells.
+Cells are the basic unit of life.
+Cells come from other cells. |
What is spontaneous generation? | people believed that all organisms appeared out of nowhere as if clothes and corn make a mouse. |
What are the 6 characteristics of living things | Living things...
+grow and develop
+are made of cells
+reproduce
+adapt to environment
+respond to environment
+gain and use energy |
Living things have how many characteristics of living things? | All 6! |
Which of the following characteristics of living things best explains why birds fly south for the winter? | Living things respond to their environment. |
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older? | Living things grow and develop |
Before a big soccer game Charlie always eats a big dinner. Which characteristic of life does this fact best describe? | Living things gain and use energy |