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Insects
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Grade
Level: 2
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Overview
Children in many African towns and villages hunt crickets in
their play time. Insects are everywhere and children are now expected
to see them and observe them. There are other animals that people have
mistakenly grouped as insects. Insects constitute the largest group of
living animals. Insects have two distinguishing characteristics. All insects
have three body parts-Head , thorax, and abdomen. Furthermore, all insects
have six legs.
Purpose
This activity is designed so that children will be able to
identify insects and non-insects by examining actual specimens. The confusion
about what are insects and what are not will hopefully be clarified.
Objectives
Students will be able to:
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i. Distinguish between insects and
non-insects |
ii. Identify the various parts of an insect
Resources/Materials
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Insects that can be found in the
environment |
Pencils |
Drawing paper |
Hand lens.
Activities
and Procedures
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Teaching method and activities
1. This lesson begins by having the children brainstorm animals that
they think might be insects. List the ideas on the blackboard, regardless
of whether the animal is an insect or not. Keep these on the blackboard
until the lesson is over. Go back to the list at the end of the period
to see if the children can classify the animal given as being an insect
or not. (Some ideas given may not be readily verified). After brainstorming,
the children will examine insects that can be found outdoors. When children
are about done with their observations, start discussing what the children
noticed about the specimens. Were there any similarities or differences
among the specimens? On the blackboard, list the responses that the children
have. In case of disputes, examine the specimen again. For example, does
it have six legs or seven? Perhaps the child miscounted. Have children
come up with reasonable classifying characteristics for insects. They
should come up with:
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I. Insects have six legs, |
II. Insects have three body parts,
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III. Insects may or may not have
wings, though they usually do. |
Prompt the children to think about these things. Have children take a
closer look at each insect as they are being discussed. Give the children
time to draw an insect of their choice on another blank sheet of paper.
Others may choose to examine the specimens more closely.
Tying
it all together The properties of insects should be put down
in a permanent record book of the children:
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Have six legs [not more, not less] |
Have three body parts
Assessment
The distinction between insects and non-insect should be revisited. Let
the children now list with reasons those non-insects that are confused
with insects.
Suggestions/Modifications
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Students may make cut out pictures of insects to place around
the room.
- Students may make a chart of insects and non-insects.
- Students should be able to understand the importance of classifying
in science studies.
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Source:
http://www.ed.uiuc.edu/YLP94?95/Mini?units/Griffin.Insects/#SCIENCE
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