Pesticides Webquest
http://www.ecifm.rdg.ac.uk/pesticides.htm
1. Complete the diagram of the pesticide cycle:
2. Complete the chart on factors affecting pesticide pollution:
Factor
Description
Half-life
Mobility in soil
The higher the solubility, the higher the risk of leaching
Rainfall
Greater activity leads to faster degradation
Treatment surface
http://www.epa.gov/oia/toxics/pop.htm
3. POPs stands for ____________ ____________ _______________
4. Why are we concerned about POPs? List 3 reasons:
i.
ii.
iii.
5. Why are POPs considered a global issue?
6. What is the Stockholm convention?
7. How has the US responded to the Stockholm convention?
8. Using the chart on the “Dirty Dozen”, complete the table below:
POP
Global Historical Use/ Overview of US Status
Source
No US registration, all uses
DDT
canceled by 1989
Endrin
Heptachlor
No US registration, all uses
cancelled by 1984
Most uses cancelled by 1978
Regulated as a hazardous air
pollutant
http://www.epa.gov/pesticides
Click on “Regulating Pesticides”
9. What is FIFRA?
10. Complete the flow chart regarding “evaluating new pesticides and uses”.
EPA conducts __________________ on new pesticide  EPA sets _______
___________ for the amount of pesticide that can
__________________________________________  Registration
Go back to the Pesticides home page then click on “Environmental Effects”
11. What does the EPA do before a pesticide can be used in the United States?
Why is this done?
12. Name 2 studies that EPA looks at for environmental risks:
a.
b.
Click on “Endangered Species”
13. How does the Endangered Species Act affect pesticide use?
Go back to the Pesticides home page then click on “Health and Safety”, “Human Health
Issues”.
14. List four ways that pesticides may affect the human body:
i.
ii.
iii.
iv.
Click on “Protecting Children”
15. Explain why children are at greater risk from some pesticide.
Now click on “Protecting Children Where They Live”.
16. From what sources might children be exposed to pesticides in their homes?
http://www.foodnews.org (enter your e-mail address to get to the guide or click on
“get the guide here)
17. List 6 of the 12 most contaminated foods.
18. List 6 of the 12 foods that are least likely to be contaminated with pesticides.
19. How does washing fruits and veggies affect pesticide contamination?
20. How can you lower your pesticide intake?
http://www.eartheasy.com
Click “Non-Toxic Pest Control”, then “Guide to Natural Pest Control”
Select 2 of the “pests” and complete the profiles below:
21. Pest
Prevention
Control
22. Pest
Prevention
Control
http://www.ipminstitute.org/supersleuth.htm
23. IPM stands for I______________P__________M__________________
Click - “Start here”, “Case 3 – Tools of the IPM trade”,
“IPM Lingo Matching Games”, “Level 1 – Gumshoe”
Proceed through all of the different levels (gumshoe, rookie, agent, jr.detective, master
detective, and super sleuth). As you work, complete the matching section below.
24.
_____
Taking action to fix conditions that
a. herbicide
encourage pests
_____ Using least risk methods to keep pest
numbers low so they don’t cause problems
_____ A pesticide used to control the growth of
weeds
_____ Using living things or the products of living
things to manage pests
_____ Changing the environment to reduce pest
problems
_____ A pest that becomes a problem because of
actions taken to manage another pest
_____ Number of pests where actions should be
taken to prevent noticeable problems
_____ To lower the level of a pest population
_____ Greater levels of pesticide contamination
higher up the food chain
_____ An amount of pesticide that contaminates
food or the environment after use
b. prevention
c. secondary pest
d. IPM
e. biological control
f. suppress
g. habitat modification
h. biomagnification
i. action threshold
j. pesticide residue