Benchmark 1 (Fall 2015) Ecology Study Guide
· Study all quizzes, labs, notes and worksheets.
The Metric System
King Henry Died By Drinking Chocolate Milk
kilo hecto deka base deci centi milli
Kg hg dkg g=gram dg cg mg MASS
KL hL dkL L=liter dL cL mL VOLUME
Km hm dkm m=meter dm cm mm LENGTH
RIGHT
LEFT
PRACTICE:
4.5 cm = ________________ mm
62 Km = _________________ cm
3.5 Kg = _________________ g
7.89 L = _________________ mL
Mass is measured in ______________________________
Volume is measured in ____________________________
Length is measured in _____________________________
SCIENTIFIC METHOD:
1. What are the steps in the scientific method?
a. __________________________________
b. __________________________________
c. __________________________________
d. __________________________________
e. __________________________________
f. __________________________________
2. Irma wants to know how UV Radiation affects cultures of bacteria. She sets up two groups. One group stays in the incubator, and one group stays under a UV lamp. Both groups are the same species of bacteria, grown on the same media, and are held at the same temperature.
a. Independent Variable: ___________________________________________________________
b. Dependent Variable: ___________________________________________________________
c. Experimental Group: ____________________________________________________________
d. Control Group: _________________________________________________________________
e. Constants: ____________________________________________________________________
3. What does DRY MIX stand for?
a. D-_________________________________
b. R-_________________________________
c. Y-_________________________________
d. M-________________________________
e. I-_________________________________
f. X-_________________________________
4. What is a hypothesis? ________________________________________________________________
5. How many variables can be tested in one experiment? ______________________________________
6. What are the two types of data? ________________________________________________________
7. How is data compiled and displayed? ____________________________________________________
8. What is a theory? ____________________________________________________________________
LAB SAFETY:
1. Don’t play around in the lab
2. Read all directions before you begin a lab
3. Follow all directions
4. Tie back long hair
5. Don’t eat or drink in lab
6. Tell the teacher if you break any equipment
7. Don’t put glass in the garbage can
8. Clean up your lab station before you leave
9. Measure accurately
10. Wash your hands before you leave lab
11. Tell the teacher of any accidents during lab
LAB EQUIPMENT: Study your lab equipment note sheet. Know the name and function of all equipment.
Measuring Mass
Mass of a pencil= 6.2 g
Mass of 10 pennies= 25.5 g
Measuring Volume
Mass of COKE from machine= 500 mL
Measuring Length
Length of the classroom= 6.5 meters
Microscope
While looking through the microscope, in what direction did the “e” appear to move when you moved the slide:
a. To the right ____________________
b. To the left ______________________
c. Away from you __________________
d. Toward you _____________________
Determine the magnification of your microscope.
a. Eye piece= ________________
b. Low power= eyepiece _______ X objective _______= _________ mag
c. Medium= eyepiece _______ X objective _______ = _________ mag
d. High= eyepiece _______ X objective _______= __________ mag
Graphing
Why use a graph? ____________________________________-
Types of graphs mainly used in science
1. ________________________
2. ________________________
What each graph needs: (and be able to make and interpret a graph)
1. Place a _________________ for the graph at the top
2. Identify the _____________________ and _______________________ variable
3. Determine the ______________________ needed for the axes. Remember increments must be equal.
4. Create a ___________________________ for each axis, with units
5. Create the ___________________________ using the data
Food Chain/Food Web: (be able to draw and identify levels in food chain/web)
Autotroph: ____________________________________________________
Heterotroph: __________________________________________________
Producer: ____________________________________________________
Consumer: ___________________________________________________
Old Assessments that you should study:
Ecology Quiz (lab safety, equipment, metric)
Ecology: Triple Beam Balance Lab Assessment
Ecology Test 1 (Lab safety/equipment/metric system/scientific method)
Ecology Quiz (scientific method)
Ecology Test 2: (scientific method/graphing)