MSAD #55

Grade Seven Science Benchmarks

And Units

10/05

 

Classifying Life Forms

 

A.        Students will understand that there are similarities within the diversity of all living things.  Students will be able to:

 

1.         Compare systems of classifying organisms including systems used by scientists.

 

q      Diversity of Life

 

2.         Decipher the system for assigning a scientific name to every living thing.

 

q      Diversity of Life

 

3.              Describe some structural and behavioral adaptations that allow organisms to survive in a changing environment.

 

q      Diversity of Life

 

4.              Compare and contrast the life cycles, behavior, and structure of different organisms.

 

q      Diversity of Life

 

 

Ecology

 

B.        Students will understand how living things depend on one another and on non-living aspects of the environment.  Students will be able to:

 

1.         Describe in general terms the chemical processes of photosynthesis and respiration.

 

q      Diversity of Life

 

2.         Analyze how the finite resources in an ecosystem limit the types and populations of organisms within it.

 

q      Diversity of Life

 

3.              Describe succession and other ways that ecosystems can change over time.

 

q      Diversity of Life

 

4.              Generate examples of the variety of ways that organisms interact (e.g., competition, predator/prey, parasitism/mutualism).

 

q      Diversity of Life

 

5.              Describe various mechanisms found in the natural world for transporting living and nonliving matter and the results of such movements.

 

q      Diversity of Life (Soils)

 

Cells

 

C.        Students will understand that cells are the basic units of life.  Students will be able to:

 

1.         Compare and contrast human organ systems with those of other species.

 

q      Cells

 

2.         Prepare and examine microscopic slides of single-celled and multi-celled organisms.

 

q      Cells

 

3.         Describe the structure and function of major organs in human systems.

 

q      Human Body

 

4.         Identify the causes and effects of diseases, explain their transmission, and identify prevention strategies.

 

q      Human Body

 

5.         Describe how body systems work together.

 

q      Human Body

 

Continuity and Change

 

D.        Students will the basis for all life and that all living things change over time.  Students will be able to:

 

1.         Describe how fossils can be used by scientists to trace the history of a species.

 

q      Fossils

 

2.         Explain how scientists use fossils to prove that life forms, climate, environment, and geologic features in a certain location are not the same now as they were in the past.

 

q      Fossils

 

3.         Provide examples of the concept of natural and artificial selection and its role in species changes over time.

 

q      Genetics

 

4.         Compare how sexually and asexually reproducing species transfer genetic information to offspring.

q      Cells

 

The Universe

 

G.        Students will gain knowledge about the universe and how humans have learned about it, and about the principles upon which it operates.  Students will be able to:

 

1.              Compare past and present knowledge about characteristics of stars (e.g., composition, location, life cycles) and explain how people have learned about them.

 

q      Universe

 

2.              Describe the concept of galaxies, including size and number of stars.

 

q      Universe

 

3.              Compare and contrast distances and the time required to travel those distances on earth, in the solar system, in the galaxy, and between galaxies.

 

q      Universe

 

4.              Describe scientistsŐ explanation of space and the objects they have found (e.g., comets, asteroids, pulsars).

 

q      Universe

 

5.              Describe the motions of moons, planets, stars, solar systems, and galaxies.

 

q      Universe

 

Inquiry and Problem Solving

 

J.         The student will apply inquiry and problem-solving approaches in science and technology.  Students will be able to:

 

1.         Make accurate observations using appropriate tools and units of measure.

 

q      Plants and Cells

 

2.         Design and conduct scientific investigations which include controlled experiments and systematic observations.  Collect and analyze data, and draw conclusions fairly.

 

q      Plants and Cells

 

3.         Verify and evaluate scientific investigations and use the results in a purposeful way.

 

q      Plants and Cells

 

 4.        Compare and contrast the processes of scientific inquiry and the technological method.

 

 

q      Plants and Cells

 

             5.        Explain how personal bias can affect observations.

 

q      Plants and Cells

 

 

Scientific Reasoning

 

K.        Students will learn to formulate and justify ideas and to make informed decisions  Students will be able to:

 

1.         Examine the ways people form generalizations.

 

q      Universe

q      Diversity of Life/Genetics

2.              Identify exceptions to proposed generalizations.

 

q      Universe

q      Diversity of Life/Genetics

 

3.              Identify basic informal fallacies in arguments.

 

q      Universe

q      Diversity of Life/Genetics

4.              Analyze means of slanting information.

 

q      Genetics

 

5.              Identify stereotypes.

 

q      Diversity of Life

 

6.              Support reasoning by using a variety of evidence.

 

q      Genetics

q      Diversity of Life

 

7.              Show that providing a hypothesis false is easier than proving it true, and explain why.

 

q      Genetics

 

 

8.              Construct logical arguments.

 

q      Genetics

 

9.         Apply analogous reasoning.

 

q            Genetics

 

Communication

 

L.         Students will communicate effectively in the application of science and technology.  Students will be able to:

 

1.              Discuss scientific and technological ideas and make conjectures and convincing arguments.

 

q      Genetics

2.              Defend problem-solving strategies and solutions.

 

q      Diversity of Life

 

3.              Evaluate individual and group communication for clarity, and work to improve communication.

 

q      Diversity of Life

 

4.              Make and use scale drawings, maps, and three-dimensional models to represent real objects, find locations, and describe relationships.

 

q      Cells

q      Universe

 

5.              Access information at remote sites using telecommunications.

 

q      All

 

6.              Identify and perform roles necessary to accomplish group tasks.

 

q      All

 

Implications of Science and Technology

 

M.        Students will understand the historical, social, economical, environmental, and ethical implications of science and technology.  Students will be able to:

 

1.         Research and evaluate the social and environmental impacts of scientific and technological developments.

 

q      Genetics

 

2.              Describe the historical and cultural conditions at the time of an invention or discovery, and analyze the societal impacts of that invention.

 

q      Genetics

 

3.              Discuss the ethical surrounding a specific scientific or technological development.

 

q      Genetics

 

5                 Identify factors that have caused some countries to become leaders in science and

 technology.

 

q      Universe

 

.8.       Recognize scientific and technological contributions of diverse people including women,

different ethnic groups, races, and physically disabled.

 

q      Genetics

q      Universe