WorksheetsModule 4: Maintaining a Healthy Ecosystem
Total questions: 15
Worksheet time: 30mins
As a student, how can you keep the bodies of water clean?
By disposing of scratch papers and candy wrappings on the creek near your house
By throwing used surgical mask anywhere
By avoiding the use of single-use plastics
By dumping liquid chemicals on the sink
As a student, is it important that you know how to use Earth's resources sustainably? Why or why not?
Yes, because my parents will scold me if our electricity bill gets high
Yes, because we depend on it and we are responsible in making sure that the next generation will still have resources that they will use for their daily living
No, because we need it and we should use it in any that we like because it's a gift of God
No, because my responsibility as a student is to study and to have good grades
What is pollution?
a beautiful flower
a delicious cake
Is the process of making land, water, air or other parts of the environment dirty and not safe or suitable to use
Organic farmers are prohibited from using ___________?
Fertilizers
Pesticides
Growth Hormones
Antibiotics
All are prohibited by organic farmers
Biodiversity is:
The biological variety and variability of life on Earth.
The chemical variety and variability of life on Earth.
The phisycal variety and variability of life on Earth.
The agriculture variety and variability of life on Earth.
It does not take long for plastic to decay.
True
False
It may take decades, even centuries, for plastic to breakdown in the ocean.
True
False
A native species is
a species that lives in the region where it evolved.
a species that came from ancient ecosystems
a species that can out produce other species
a species that was brought to a region by people
A non-native species is
a species that lives in the region where it evolved.
a modern plant that was produced by plant breeders
a species from elsewhere that was brought to the region by humans either intentionally or on accident.
a species that was not used by indigenous people.
produced without chemicals or pesticides or synthetic ingredients
natural
original
organic
local
No longer existing animal species
habitat
resources
extinct
endangered
What is it to be globally aware?
Someone who has been to many countries and speaks many languages
Someone who cares about how their actions may affect the environment and other people wherever they live
Conversation is
To ruin something
Careful protection of something
What does the word pollute mean?
protect from harm or overuse.
a layer that protects us from the sun’s harmful rays.
to make water, land and air dirty.
to change waste into something useful.
