Scientific Method
What is a Hypothesis
An Educated guess
How many objective lenses do our microscopes have?
3
Who gave cells the name "cells"
In an experiment, everything should be kept the same except for what you are_____________
Testing (Independent variable)
A good experiment question should have what kind of answer?
Yes or No
What is the proper way to carry a microscope?
By the arm and base
All living things are made of at least how many cells
one
How do you change the objective lenses on the microscope?
Gently twist the nose piece
What is a control group?
Part of the experiment that has no changes and is the "normal"
What are the four things you need to have a wet slide
Slide, Water, Specimen, Cover slip
What is the "bag" that holds all of the cell together?
Cell Membrane or a Plasma Membrane
How did Francesco Redi prove Spontaneous generation was wrong?
he used Three jars with meat and different lids to prove meat doesn't make maggots
What are the two types of variables
Independent and dependent
Why don't Electron and Ion microscopes show pictures in color?
The don't use white light
What is the difference between Eukaryotic cells and Prokaryotic cells?
How did Louis Pasteur Discover that spontaneous generation did not happen at a microscopic level?
He used a flask with a swan neck to boil soup to kill the microorganisms, then the neck kept out all the contamination.
A proper scientific method should test how many things?
only one
on our specific microscopes, What are the total powers of magnification when you combine the ocular lens with the objective lens's
100, 250, 1000
Name the three parts of the Cell Theory
-All living things are made of cells
-Cells come from other cells
-Cells are the most basic unit of life
List the 6 (not 7) steps to the scientific method in order
Observation, Hypothesis, Experiment, Record your data, Draw your conclusions, Share your findings