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What’s in a Name?

Activity:
Field trip
Field trip – 4 hours
Class time -45 minutes
Materials and equipment:

list of organisms
drawing paper
colored pencils/markers
sketch pads

ACTIVITY SUMMARY
Pre field trip
Given a list of organisms with common names that illustrate the confusion that could result if they were used for identification, students will use their imagination to draw one or more “fantasy trees” using the [...]

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A Walk Through the Gut

ACTIVITY TYPE
hands-on activity
simulation
group / cooperative learning
review / reinforcement
TARGET AUDIENCE
Life Science
Special needs (ESL, LEP, sheltered)
Special education
BACKGROUND INFORMATION — for the TEACHER
This simulation works best after the students have been introduced to the structures and functions of the digestive system. It works well if students visit each station singly, then form groups of three to analyze simulation; [...]

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What is life?

Biology is the study of life. But how do you know if something is living or not? Listed below are simple demos that I show my classes. The items listed provide room for discussion as to what is living and what is not living.

A lit candle.
A container of dried lima and pinto beans (or any [...]

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Membrane Permeability with Beets

PROCEDURE:

Obtain water-washed beet cubes and three alcohols. Set up nine test tubes so as to obtain data for the chart below. (Serially dilute your alcohols: 8M, 4M, 2M).
Let stand for 20 minutes, then shake the tubes.
Record qualitative observations as to the color (dark red to colorless) of the liquid in the tubes.

Alcohol [...]

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Mapping the Homunculus

TARGET AUDIENCE
Secondary school students, grades 9-12
OBJECTIVES
Using two point discrimination on the skin, students will determine the relative number of nerve endings located in the skin. By calculating the reciprocal of these measurements, the students will have the appropriate data for predicting the relative size and drawing the homunculus found on the cerebral cortex. Comparisons will [...]

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