Biology - Isopod Speed Limit
By Gordon Smith 
Introduction
Standards 
Objectives
Activities
Assessment 
Results
Resources
Introduction:
     Students will design their own experiment to determine the speed of the fastest  isopod (or the Isopod Speed Limit).
Subject :Biology
Topic: Isopod biology
Grade Level: 7
Student Lesson name and URL: Biology - Isopod Speed Limit
Standards Addressed
7th Grade Science Content Standards 
Focus on Life Science
http://scorescience.humboldt.k12.ca.us/fast/teachers/content/7th.htm
Investigation and Experimentation

7. Scientific progress is made by asking meaningful questions and conducting careful investigations.
As a basis for understanding this concept, and to address the content the other three strands, students should develop their own questions and perform investigations. Students will:
     a. select and use appropriate tools and technology (including calculators, computers, balances, spring scales, microscopes, and binoculars) to perform tests, collect data, and display data. 
     b. utilize a variety of print and electronic resources (including the World Wide Web) to collect information as evidence as part of a research project. 
     c. communicate the logical connection among hypothesis, science concepts, tests conducted, data collected, and conclusions drawn from the scientific evidence. 
     d. construct scale models, maps and appropriately labeled diagrams to communicate scientific knowledge (e.g., motion of Earth's plates and cell structure). 
     e. communicate the steps and results from an investigation in written reports and verbal presentations. 
 
 
 

Instructional Objectives
     #  Students will design their own experiment to determine the          speed of the fastest  isopod. 
       #  Students will catagorize their collected data.
       #  Students will display (by listing and labelling) their collected data.
       # Students will apply print or electronic resources as evidence of a part of their research project.
       # Students will analyze their data.
       # Students will design a graph to represent their data.
       # Students will explain their experiments steps and results in a written report. 

Student Activities
      Students will design their own experiment to determine the speed of the fastest isopod (or the Isopod Speed Limit). A final paper is due.
Please click here for Student Pages

Introductory Activity:
Different isopods travel at different speeds. Speed is distance divided by time. We use the metric system to measure in science. How will you determine the speeds of isopods? Which is the fastest isopod? What is it's speed?  


Enabling Activity
Please give your students the mathematics (speed=distance/time). Discuss the meaning of distance,time and speed. Please use the metric system for all measurements.
You may begin by talking about the speed limits on our streets and freeways as examples of speeds. Teachers Advice: Have lots of string around so students may first follow their isopod with a pencil and then use the string to get their measurements.
Culminating Activity
Discussion of results.
Critique: AKA " How to improve this experiment". Have your students write and draw pictures about what they learned by designing and doing this experiment. Have students write about how they would improve their own experiments. Have your students discuss in small and large groups how to improve their experiments. 
 
Assessment
      #  Students will design their own experiment to determine the          speed of the fastest  isopod. (1-Needs Improvement, 2-Basic Understanding, 3-Proficient, 4-Exceeds Standards)
       #  Students will catagorize their collected data.(1-Needs Improvement, 2-Basic Understanding, 3-Proficient, 4-Exceeds Standards)
       #  Students will display (by listing and labelling) their collected data. (1-Needs Improvement, 2-Basic Understanding, 3-Proficient, 4-Exceeds Standards)
       # Students will analyze their data. (1-Needs Improvement, 2-Basic Understanding, 3-Proficient, 4-Exceeds Standards)
       # Students will design a graph to represent their data. (1-Needs Improvement, 2-Basic Understanding, 3-Proficient, 4-Exceeds Standards)
       # Students will explain their experiments steps and results in a written report. (1-Needs Improvement, 2-Basic Understanding, 3-Proficient, 4-Exceeds Standards)
  

Results
Pretest: 
1. Name the two types of terrestrial isopods.
2. Which of the two types of terrestrial isopods is the fastest?
3. What is the speed of the fastest isopod?
Web Resources:
Here are some pictures of isopods from around the world:
http://ag.arizona.edu/ENTO/tree/eukaryotes/animals/arthropoda/crustacea/isopoda/ 

Final PowerPoint Presentation
School Name: Durham Intermediate School
School Location: Durham, California 
Gordon Smith AKA gosmith@shocking.com
Last Revised: 05/31/01