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We’ve learned that all organisms need energy to survive. The primary source of energy for all
organisms begins with the sun. Sunlight provides the necessary energy for producers (plants) to
complete photosynthesis. These producers are eaten by primary consumers (herbivores).These
herbivore consumers are eaten by carnivores or secondary consumers. Sometimes, carnivores will eat
other carnivores. These consumers are known as tertiary consumers. These interactions can be
represented by a simple food chain. A bunch of food chains in the same ecosystem put together can
make a food web. Food chains and food webs show the flow energy from one organism to another.
Recall that the arrows in a food chain and a food web show the direction that the energy is flowing.
For example, in the food chain above, the energy flows from the sun, to the grass, to the
grasshopper, to the shrew, to the owl. The arrows indicate the direction energy is being transferred
with arrow pointing away from the eaten (prey or plant) and towards the eater (predator or grazer).
YOUR TASK
Through this Web Quest, you’ll practice making food chains and food webs in a variety of ways.
First, you’ll create a series of food chains and food webs using plants and animals from
various ecosystems.
Next, you’ll take a quiz to show that you understand the basics of food chains and food
webs.
Finally, you’ll try and apply that knowledge as you create more complex food webs and find
the best way to stabilize an ecosystem.
Ready? Let’s GO!
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Process:
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1)
SECTION #1: THREE FOOD CHAINS
http://teacher.scholastic.com/activities/explorer/ecosystems/be_an_explorer/map/foodweb_play.htm
http://www.gould.edu.au/foodwebs/kids_web.htm
http://www.harcourtschool.com/activity/food/food_menu.html
Three Food Chains:
a. Food Chain #1 – Name __________________________________________________________
Illustration:
b. Food Chain #2 – Name __________________________________________________________
Illustration:
c. Food Chain #3 – Name __________________________________________________________
Illustration:
EXTRA CREDIT:
d. Food Chain #4 – Name __________________________________________________________
Illustration
e. Food Chain #5 – Name __________________________________________________________
Illustration
SECTION #2: FOOD CHAIN QUIZ
 http://www.zephyrus.co.uk/foodpuzzlechain.html
2) Food Chain Quiz –
Record your answers below
1.
2. ______________________________
3.
4.______________________________
5.
6. ______________________________
7.
8. _____________________________
9.
10.______________________________
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SECTION #3: RUTGERS FOOD WEB GAME
 http://www.zephyrus.co.uk/foodpuzzlechain.html
3) Try and Score the HIGHEST score (100) on the Rutgers Food Web Game
a. Your Score _______________
ACTIVITY
Food Chains &
Food Webs
Food Chain
Quiz
Rutgers Food
Web Game
Evaluation – Where do you Rank? CIRCLE your PERFORMANCE
ADVANCED PROFICIENT
PROFICIENT
PARTIALLY PROFICIENT
(4)
(3)
(2)
>4 finished
3-4 finished
1-2 finished
NOT PROFICIENT
(1)
None Finished
90-100%
70-80%
50-69%
<50%
90-100 points
70-89 points
50-69 points
<50 points
Imagine the simple foo d chain above. What would happen if the dark brown fish (the second largest) were all caught by
fishermen? Over time, what would happen to the plant, the smallest light brown fish, and the large grey fish?
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Adapted from: https://sites.google.com/site/lifescienceswahiawa/home/webquests/7-3-1-food-webs-webquest
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