Name ______________________________________
Date ________________
Period ______
7 SCIENCE MIDTERM REVIEW PACKET
Midterm Date: _____________________________________
SCIENTIFIC METHOD
Describe what each step means:
1. State the problem
_______________________________________________________________________________
2. Gather Information
_______________________________________________________________________________
3. Hypothesis
_______________________________________________________________________________
4. Experiment
_______________________________________________________________________________
5. Record/analyze data
_______________________________________________________________________________
6. Conclusion______________________________________________________________________
METRIC SYSTEM: complete the following table.
Definition
Unit
Tool used
Length
Mass
Volume
1
GRAPHING
Use the following graph to answer the questions:
1. Identify the independent variable. _________________________________________________
2. Identify the dependent variable. _____________________________________________________
3. Estimate the amount of mass Sam gained
between March and May. __________________
MICROSCOPE
Describe the following:
1. Simple microscope ______________________________________________________________
2. Compound microscope ____________________________________________________________
3. Electron microscope ______________________________________________________________
4. Calculate TOTAL MAGNIFICATION:
Eyepiece
Objective lens
10x
4x
Total magnification
Total = ___________x
10x
10x
Total = ___________x
10x
40x
Total = ___________x
5. Define: Field of view ____________________________________________________________
______________________________________________________________________________.
6. Estimate the size of the following organism: _______________
1 box = 1 mm
2
CELLS:
Describe the FUNCTION of these organelles:
1. Organelles tiny organs of the cell
2. Nucleus _______________________________________________________________________
3. Cell membrane _________________________________________________________________
4. Cell wall _______________________________________________________________________
5. Chloroplast ____________________________________________________________________
6. Vacuole _______________________________________________________________________
7. Ribosome ______________________________________________________________________
8. Endoplasmic Reticulum __________________________________________________________
9. Mitochondria __________________________________________________________________
10. Cytoplasm _____________________________________________________________________
CELL PROCESSES.
Define the following:
1. Aerobic Respiration _____________________________________________________________
__________________________________________________________________________________
2. Anaerobic Respiration __________________________________________________________
_______________________________________________________________________________
3. Photosynthesis _____________________________________________________________
_______________________________________________________________________________
4. Passive transport _____________________________________________________________
_______________________________________________________________________________
a. Diffusion _____________________________________________________________
_________________________________________________________________________
b. Osmosis _____________________________________________________________
_________________________________________________________________________
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5. Active transport
_______________________________________________________________________________
6. Cell cycle
_______________________________________________________________________________
a. Interphase
_________________________________________________________________________
b. Mitosis __________________________________________________________________
c. Cytokinesis
_________________________________________________________________________
VIRUSES
1. Define what a virus is:
_______________________________________________________________________________
2. Viruses only have ONE characteristic of living things—what is it? _________________________.
3. What is a vaccine? _______________________________________________________________.
Define the following terms:
Prokaryotic: ___________________________________________________________________
Eukaryotic: ____________________________________________________________________
Multicellular: __________________________________________________________________
Unicellular: ____________________________________________________________________
Autotroph: _____________________________________________________________________
Heterotroph: ___________________________________________________________________
CLASSIFICATION SYSTEM
Taxonomy: study of classification
The father of taxonomy: Carolus Linnaeus
1. List the levels of classification from the largest group to the smallest group!!
Kingdom - The most amount of organisms
P ____________________________________
C ___________________________________
O ______________________________________
F _____________________________________
G _______________________________________
S ________________________________________ - only one organism
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2. What is binomial nomenclature?
_____________________________________________________________________
3. Who invented binomial nomenclature:
___________________________________________________________
4. What are the two levels of binomial nomenclature? _____________ and _________________
ex. Panthera leo - common name of the lion
KINGDOMS
Complete the following table:
KINGDOM
CHARACTERISTICS
EXAMPLES
BACTERIA
1. How are bacteria helpful to humans and the environment? ________________________________
_________________________________________________________________________________.
2. How are bacteria harmful to humans and the environment? _______________________________
______________________________________________________________________________.
PROTISTS
Write the name of the following organisms on the line and label the structure it uses to move:
____________________
________________
_____________________________
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FUNGI
1. How are they helpful? ____________________________________________________________
__________________________________________________________________________________
2. How are they harmful? ____________________________________________________________
_______________________________________________________________________________
PLANTS
1. How do the products and reactants of photosynthesis enter and exit the plant? (Through which
structures?) _____________________________________________________________________
2. What are the 2 types of vascular tissue? ______________________________________________
3. What are the functions of the two vascular tissues? ______________________________________
______________________________________________________________________________.
4. How do angiosperm seeds develop? _________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
_______________________________________________________________________________
______________________________________________________________________________.
Using the diagram to the right for the following questions:
5. What structure of the plant does photosynthesis take place? _____________
6. In which organelle does photosynthesis take place? ____________________
7. Which is the reproductive structure of the plant? ____________________
8. Which structure acts as an anchor for the plant? _____________________
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