STUDY GUIDE FOR ENVIRONMENTAL SCIENC 237
FINAL EXAM SCHEDULE: PERIOD 2 IS MONDAY, MAY 20
PERIOD 3 IS TUESDAY, MAY 21
PERIOD 7 IS WEDNESDAY, MAY 22
TOPICS STUDIED:
GEOLOGY/GEOLOGIC TIME
ENERGY AND ELECTRICITY
WATER AND WATER POLLUTION
AIR AND AIR POLLUTION
GREENHOUSE EFFECT/GASES AND OZONE LAYER
WASTE MANAGEMENT
TERMS/IDEAS TO KNOW
DATING ROCKS- SUPERPOSITION,
RADIOMETRIC, HALF-LIFE
FOSSIL FORMATION
CAMBRIAN EXPLOSION
FOSSIL FUELS- COAL, OIL AND NATURAL GAS
FRACKING
COAL AND AIR POLLUTION
CREATING ELECTRICITY- TURBINES AND
STEAM
POINT AND NONPOINT POLLUTION SOURCES
ACID RAIN
ACIDS AND pH
SULFUR DIOXIDES, NITROGEN OXIDES
TEMPERATURE INVERSION
INDOOR AIR POLLUTION- RADON, ASBESTOS,
HOW TO REDUCE
NATURAL AIR POLLUTANTS
NUCLEAR ENERGY AND STORING THE WASTE
THE 6 CRITERIA POLLUTANTS AND THEIR
SOURCES
DAMS- ADVANTAGES AND DISADVANTAGES
LAYERS OF THE ATMOSPHERE
AQUIFER
GREENHOUSE EFFECT/GREENHOUSE GASES
EUTROPHICATION
GLOBAL WARMING- CAUSES AND EFFECTS
WATERSHED
ALBEDO
DEAD ZONE
CFCS
DDT
MUNICIPAL SOLID WASTE
BIOMAGNIFICATION/BIOACCUMULATION
LANDFILLS, BURNING AND COMPOSTING
THERMAL (HEAT) POLLUTION
NIMBY
REDUCE, REUSE, RECYCLE
E-WASTE
SOURCE REDUCTION
LOVE CANAL
SAMPLE QUESTIONS:
1. LIST THE 4 GEOLOGIC ERAS IN ORDER, STARTING WITH THE OLDEST.
2. HOW OLD IS THE EARTH? _____________________________________
3. HOW LONG HAVE HUMANS BEEN ON EARTH COMPARED TO THE LENGTH OF EARTH’S HISTORY?
4. WHY ARE CERTAIN ROCKS/ELEMENTS RADIOACTIVE? ___________________________________
5. WHERE IN THE US IS ENERGY USED THE MOST? _____________________________
6. WHAT FOSSIL FUEL HAS THE LEAST ENVIRONMENTAL IMPACT? _______________________
7. MOST OF OUR ELECTRIC BILL IS FOR ____________________________ AND _________________.
8. WORLD’S SINGLE LARGEST CAUSE OF ILLNESS IS _________________________________________
9. IS A BURIED, LEAKING OIL TANK A POINT OR NONPOINT SOURCE OF POLLUTION? _____________
10. _____% OF PLANET IS WATER AND ______% OF WATER IS FRESH WATER
11. MOST OF EARTH’S FRESHWATER IS FOUND IN ______________________________.
12. MOST WATER IN US IS USED FOR _____________________________
13. WHAT ILLNESS CAUSES 1.5 MILLION CHILD DEATHS EVERY YEAR? _________________________
14. MOST AIR POLLUTION IN URBAN AREAS COMES FROM WHAT 2 SOURCES?
15. THE 2 MAIN GASES IN THE ATMOSPHERE ARE _______ AND _______
16. THE MAIN SOURCE OF CO2 IN THE ATMOSPHERE IS ________________
17. MOST TRASH IN THE US IS DISPOSED OF BY _______________________________________.
18. THE BIGGEST % OF WASTE IN THE US COMES FROM _____________________________ AND
THE BIGGEST % OF MUNICIPAL SOLID WASTE COMES FROM ______________________________.
19. _________________________ WAS CREATED AS A RESULT OF LOVE CANAL.
20. LIST 2 BIODEGRADABLE MATERIALS.
MATH PRACTICE PROBLEMS : SHOW ALL WORK, CALCULATIONS AND UNITS!!
______ m =1 Km
______mm = 1 m
______ cm= 1 m
21. 3 OUT OF 5 SEEDS GERMINATED. WHAT % IS THIS?
22. WRITE 3% AS A FRACTION AND AS A DECIMAL
23. WRITE 3 ppm AS A FRACTION
24. 21% is the same as _____ ppm. (SET IT UP AS AN EQUALITY)
25. How many pounds of CO2 are produced when a car burns 100 gallons of gasoline? (remember
that for every 1 gallon of gas burned, 20 pounds of CO2 are produced)
26. Convert 54,800 watts into kilowatts. (show your work)
27. If you receive 45 points out of a possible 52 points, what percent is your grade? Show your
work.
28. 352 mm = _____ cm
29. If you start with 200 g of a radioactive element, how many grams will be left after 3 half-lives?
30. AFTER 1 HALF-LIE ____% OF THE ORIGINAL ELEMENT IS LEFT, AFTER 2 HALF-LIVES, ______% IS
LEFT, AND AFTER 3 HALF-LIVES, ______% OF THE ORIGINAL IS LEFT.
31. If you have 500 grams of a radioactive atom that has a half-life of 3 minutes how much of the
original element will remain after16 minutes?
32. How many minutes are in a day? (FLM) hint- start with 1 day
33. There are 5,280 feet in a mile. How many feet are in 5 miles?
34.
35.
37 X = 125 Solve for X
(10) (2) = 4
X
36. Write 1/8 as a decimal.
BE SURE TO STUDY ALL OF YOUR NOTES, WORKSHEETS, POWER POINTS AND REVIEWS THAT ARE
ONLINE.
Write any questions or extra notes in this extra space.