4.5 MIDDLE SCHOOL SCIENCE CURRICULUM PATTERNS

Science curriculum offerings in the middle school can viewed as traditional, or integrated and applied. These two groupings were used in a study of U.S. curriculum. According to the results of the study, (which focused on grades 5, 9 and 12), the most emphasized of the traditional sciences in grades 5 and 9 was Earth science. The most emphasized topics were the solar system and meteorology. Figure 4.9 shows the mean ratings of traditional science emphasized in grades 5 and 9. Biology, although not emphasized as much as Earth science, scored higher ratings than physics and chemistry. Chemistry is the least emphasized traditional science subject emphasized in the middle school.

 

Figure 4.9

Mean Ratings of Traditional Science Content Emphasized

in Grades 5 and 9

In the survey results for applied and integrated science, environmental science content is the most common in the science offerings in grades 5 and 9 (Figure 4.10). The only subject that is emphasized more is Earth science. Note also that health was rated fairly high compared to physics and chemistry.

 

Figure 4.10

Mean Ratings of Applied and Integrated Science Content,

Grades 5 and 9

There are two patterns that typically describe the curriculum of the middle school/junior high school. These depend on whether the school includes grades 6-8, or 7-9. The typical patterns are as follows:

Grades 6 - 8

  • Grade 6: General Science (Usually based on the 6th grade edition of an elementary science textbook)
  • Grade 7: Life Science
  • Grade 8: Earth Science

Grades 7 - 9

  • Grade 7: Life Science
  • Grade 8: Earth science or Physical Science
  • Grade 9: Physical Science, Earth Science or Biology

There are two-year sequences of unified or general science available from some publishers. Some districts use these as their 7th and 8th grade science options in either of the patterns above.

What topics are emphasized in these traditional programs? Figure 4.11 outlines the major topics found in a contemporary grade 6 textbook, and in the textbooks in a life, earth and physical science series.

Figure 4.11. Traditional Middle School Curriculum Topics

 Grade 6 Text of Elementary Series

 Life Science

 Earth Science

 Physical Science

Unit 1: Motion and Energy

1. Motion

2. Forces

3. Energy

Unit 2: The Changing Earth

4. How Rocks are formed

5. Studying the Earth's Crust

6. Earth History

Unit 3: Matter and Its Changes

7. Classifying Matter

8. Matter Changes Form

9. Reaction of Matter

Unit 4: Human Body System

10. Food and Nutrition

11. Digestion and Circulation

12. Respiration and Excretion

13. Taking Care of Yourself

Unit 5: The Earth's Resources

14. Conserving Our Resources

15. Energy Resources

16. Future Resources

Unit 6: Heredity

17. Reproduction

18. The Passing of Traits

19. Heredity, Environment and Learning

20. Health

1. Introducing Life Science

Unit 1: Science and Living Things

2. Life

3. the Simplest Living Things

4. Fungi

5. Environment and Life

Unit 2: Plants

6. Kinds of Plants

7. Plant Function

8. Ecology

Unit 3: Animals Without Backbones

9. Sponges

10. Worms

11. Mollusks

13. Arthropods

14. Water Ecology

Unit 4: Animals With Backbones

15. Cold-Blooded Vertebrates

16. Animal Behavior

17. Protecting the Environment

Unit 5

18. Reproduction and Development

19. Genetics

20. Changes Over Time

Unit 6: Human Biology

21. Support and Movement

22. Digestion and Circulation

23. Respiration and Excretion

24. Control and Regulation

25. Health and the Environment

1. Introduction to Earth Science

Unit 1: The Universe

2. Outer Space

3. The Milky Way Galaxy

4. The Solar System

5. Space Exploration

Unit 2: The Earth's Gaseous Envelope

6. The Atmosphere and its Movement

7. Water in the Atmosphere

8. Weather

9. Climate

Unit 3: The Waters of the Earth

10. Fresh Water

11. Oceanography

Unit 4: The Earth's Structure

12.Minerals

13. Rocks and the Rock Cycle

14. Internal Structure of the Earth

15. Plate Tectonics

16. Mountains and Crustal Movement

Unit 5: The Rock Story

17. Mapping the Earth's Surface

18. Weathering and Erosion

19. The Rock Record

Unit 6: The Earth's Bounty

20. The Earth's Resources

21. Nonrenewable Energy Resources

22. Renewable Energy Resources

23. Your Environment, Earth

1. Introduction to Physical Science

Unit 1: Motion, Force, and Energy

2. Matter, Energy, and Motion

3. Forces

4. Work, Machines, and Power

5. Forces in Liquids

Unit 2: The Structure of Matter

6. The Elements

7. The Atom

8. Combining the Elements

9. Carbon Compounds

Unit 3: Matter, Energy, and Change

10. Chemical Reactions

11. Nuclear Reactions

12. Heat

13. Heat Energy in Your Life

Unit 4: Magnetism and Electricity

14. Magnetic and Electric Forces

15. Electricity

16. Electromagnetism

17. Electronics

Unit 5: The Action of Waves

18. Waves

19. Sound

20. Light

21. The Uses of Light

Unit 6: Energy and the Future

22. Energy and Society

23. Energy Alternatives

24. The Universe

The middle school science curriculum that is based on the traditional model of the textbook emphasizes coverage of the discipline, as a opposed to inquiry or problem solving. Although most of these program include lists of skills, and include skill activities and investigations within the textbook, the goal statements are generally cognitive.

To see this more clearly, all you need to do is examine the outline of a typical chapter in a science textbook. Figure 4.12 outlines one chapter of the topics and features of an Earth science text that is used in many school systems in the United States.

Figure 4.12 Outline of Chapter in an Earth Science Text

Chapter 17: Igneous Rocks

  • Section A. Igneous Rocks

    Goals: Students will

    • learn how igneous rocks form

    • learn to identify some igneous rocks

    17:1 Origin of Igneous Rocks

    17:2 Minerals in Igneous Rocks

    17:3 Igneous Rock Classification

    Skill: Classifying Rocks

    Review

    Think Section

    Career: Technician

    Investigation 17-1: Classifying Igneous Rocks

    Section B. Igneous Activity

    Goals: Students will

    • learn about the different types of volcanoes on Earth's surface

    • learn about igneous rock structures that result from volcanic activity

    17:4 Volcanic Mountains

    Investigation 17-2: Volcanic Eruptions

    17:5 Igneous Rock Structures

    Review

    Problem Solving

    Chapter Review

  • What should science education be like in a middle school? What should be emphasized? What curriculum topics, units, subjects should be stressed? Let's examine the some recommendations made by a group of science educators on the nature of middle school science, and then look at some promising practices in the teaching of middle school science.