Thirdd Term Workshop
Colegio Campestre La Colina
Subject:
Science
Prepared by:
Miss Mónica María Sánchez Rico
Grade:
Fourth
Goals
1. Understand patterns of interdependency in ecological systems and that
there are organism that act as decomposers.
2. Know that gravity is one of the forces that keep planets arranged in orbits
around the Sun and the moon in orbit around the Earth.
3. Understand the relationship between a compass and a magnetic field.
4. Understand the stages of the rock cycle.
RECOMMENDATIONS:
All the answers must be written in English.
Read and answer according to the instruction.
I. Write true or false on the line before each statement according
to what we studied in class:
The same animals live in freshwater and saltwater
habitats.
Algae are producers in water ecosystems.
A food web shows how food chains are connected.
Decay happens faster when there is move moisture.
Fungi and bacteria are two kinds of decomposers.
The process of decay releases carbon dioxide into the
atmosphere.
The colder the temperature, the faster decay happens.
A river is not part of an ecosystem.
A population is a group of similar organisms.
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Some plants and animals have adaptations that help
them survive in the desert.
Animals sharing the same habitat have similar niches.
II. What do animals eat in their ecosystems?
The Sonoran Desert is an ecosystem. Some animals are herbivores, some
are carnivores, and some are omnivores. They form a food web that helps
keep the ecosystem balanced.
Answer the following questions about the pictures above:
1. Which animals in the picture eat plants?
____________________________________________________
____________________________________________________
2. What kind of consumer is a mountain lion?
____________________________________________________
____________________________________________________
3. Why are the omnivores in the middle of the picture?
____________________________________________________
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4. How is the turkey vulture different from the mountain lion? What kinds
of food does the turkey vulture eat?
____________________________________________________
____________________________________________________
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III.
What is a food web?
An ecosystem has many food chains. A system of developing food
chains is called a food web.
Answer these questions about the food web picture above:
1. Which animal eats the prickly pear cactus?
________________________________________________________
________________________________________________________
2. What does a greater roadrunner eat?
_______________________________________________________
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3. How is the greater roadrunner both a predator and prey?
________________________________________________________
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