Environmental Science Activities Manual: 3-5
||Environmental Education H3.00||Science In Society
||Attitudes 4.1 ab
GRADE : ESAM: 3-5
CONTENT STANDARD: Environmental Science
CONTENT TOPIC: Environmental Education
CONCEPT: Chemicals may be harmful to the environment.
CONTENT OBJECTIVE: H3.00 To understand how some chemicals may affect the environment
INSTRUCTIONAL OBJECTIVES: The learner will:
3.01 relate how the use of chemicals may affect the environment.
OUTLINE OF CONTENT:
3.02 discuss the issues relating to the use of chemicals in the
I. Chemicals affect the environment
II. Careful use of chemicals.
TN COMPONENT OF SCIENCE: Science In Society
To enable students to demonstrate attitudes toward science
in solving problems and making personal decisions about issues
affecting the individual, society, and the environment.
4.1 ATTITUDES - The progress of science and the attitudes
of society influence one another.
TN STANDARD(S): The learner will understand that:
4.1a Scientists can bring information, insights, and analytical
skills to bear on matters of public concern.
BENCHMARK: Science provides a basis for addressing issues that
affect our lives.
4.1b Science and technology should be viewed thoughtfully, in
neither a categorically antagonistic or an uncritically positive
BENCHMARK: Science does not create nor can it solve all of our
Two instructional periods
Newspaper and magazine articles
When I say the word "chemical" what do you think
of? (response, list responses on the board.) Are chemicals always
good? (No) Are chemicals always bad? (No) Today, we will discuss
how some chemicals may affect our environment.
In order to get the greatest yield from the crops
he plants, a farmer will often use some kind of chemical to kill
weeds or insects in his field. This is often a necessary action,
but unfortunately the chemical don't stay just on the field where
they were sprayed. When a hard rain comes, the ground in the field
may run off into a nearby water supply. Are the chemicals still
on the crop? (No) Where are they? (In the water what could happen
when these poisonous chemicals get in the water? (Fish die, animals
that drink the water are contaminated, people who swim in the
water could get sick, animals that eat fish from contaminated
water may be adversely affected.)
ACTIVE PARTICIPATION: (The following activities are suggested:
Several years ago, there was a chemical pesticide called DDT.
It was very effective for the farmer, but researchers found that
when the DDT got into the water and the food chain, it was deadly.
When the use of this chemical was banned, environmentalists saw
an increase in certain species of animals that had almost been
wiped out because of this dangerous agricultural chemical. Factories
also introduce dangerous chemicals into our environment. Often,
when factories produce a product, there is a lot of WASTE. This
means there are things not used in the final product, but necessary
to make the product. This waste cannot be used again. Many years
ago our water supplies were seriously contaminated because these
waste products were dumped into the water. There were also certain
kinds of waste that were emitted into the air from exhaust pipes
on cars, trucks, planes, buses and from factories. When these
waste products are found to be harmful to humans and other animals,
they are called toxic waste.
In the 1960's a government agency was formed to monitor these
dangers to our society. It is called the Environmental Protection
Agency. Since the forming of this agency, strict rules and regulations
have been enforced. Our water and our air are safer because people
have become aware of the dangers our environment faced. There
is, however, much more effort needed and stricter enforcement
1. Invite a speaker From the Tennessee Wildlife Resources or
U.S. Office of Conservation to discuss the effects of chemicals
on wildlife and the food chain.
2. Research the Environmental Protection Agency.
3. Go to a local plant or factory and learn how they dispose of waste.
4. Research the effects of DDT on plants and animals.
5. Project WILD Resources.
We only have one world. We must all work together to ensure its safety. Being wise in our use of chemicals is one way to do this. Turn to your neighbor and discuss one way it would be possible for the two of you to help protect the environment. Share your answer with the class. (These may be listed on the board for discussion.)
This is the
time this file has been accessed since 04/15/2004.
The University of Tennessee at Martin is not responsible for the information or views expressed here.
Environmental Science Activities Manual: 3-5 Home Page