Name: ______________________
Date: _______________
Period: ______
Scientific Method, Microscope, and Cell Unit Study Guide*
Scientific Method
What is the purpose of the
scientific method?
Name and describe each step of
the scientific method.
To answer a question
1.
2.
3.
4.
5.
6.
7.
Choose a problem
Research your problem
Develop a hypothesis
Write a procedure
Test your hypothesis
Organize your data
State your conclusions
Microscopes
What is a microscope used for?
To see specimens up close and in detail
What is the function of the
diaphragm?
To control the amount of light that goes through the
microscope
Cell Organelles
Organelle
Function/Definition
Plant, Animal, Draw a picture of
or Both?
the organelle.
Cell Wall
To keep cell rigid, supports shape and plant
protective barrier
Cell Membrane
Protects the cells and allows some
material in/out
both
Cytoplasm
Gel-like fluid that the organelles float
in
both
Vacuole
Stores food, water and wastes
plant
Name: ______________________
Date: _______________
Period: ______
Plant, Animal, Draw a picture of
or Both?
the organelle.
Organelle
Function/Definition
Mitochondria
Produces energy for the cell
Endoplasmic
Reticulum
Transports molecules around the cell both
Ribosomes
Produces Protein
both
Chloroplasts
Makes food for the cells (plant)
plant
Nuclear
Membrane
Membrane that surrounds the
nucleus
both
Nucleus
Holds DNA for the cell and control
center of the cell
both
Nucleolus
Produces Ribosomes
both
Cell Image
Label the cell diagram below.
both
Name: ______________________
Date: _______________
Period: ______
Cells
Give at least 4 differences between plant
and animal cells.
Plant: Cell wall, cholorplast, rectangular shaped
Animal: Lysosomes, irregular shaped, centrioles
As multicellular organisms grow, what
happens to their cells?
There Cells grow and then divide
What are prokaryotes?
Unicellular, no nucleus Ex: Bacteria
What are Eukaryotes?
Multicellular, nucleus Ex: plant and animal cells