Doing Science: The Process of Scientific Inquiry by National Institute of Health. - HTML preview

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are based upon the conviction that there is

should use in the classroom.

much to be gained by involving students

• At the beginning of the school year,

in analyzing issues of science, technology,

establish consequences for students who

and society. Society expects all citizens to

behave in an unsafe manner. Make these

participate in the democratic process, and our

consequences clear to students.

educational system must provide opportunities

• Do not overlook any violation of a safety

for students to learn to deal with contentious

practice, no matter how minor. If a rule

issues with civility, objectivity, and fairness.

is broken, take steps to assure that the

Likewise, students need to learn that science

infraction will not occur a second time.

intersects with life in many ways.

• Set a good example by observing all safety

practices. This includes wearing eye

In this module, students are given a variety of

protection during all investigations when

opportunities to discuss, interpret, and evaluate

eye protection is required for students.

basic science and health issues, some in light of

• Know and follow waste disposal

their values and ethics. As students encounter

regulations.

issues about which they feel strongly, some

• Be aware of students who have allergies or

discussions might become controversial. The

other medical conditions that might limit

degree of controversy depends on many factors,

their ability to participate in activities.

such as how similar students are with respect

Consult with the school nurse or school

to socioeconomic status, perspectives, value

administrator.

systems, and religious beliefs. In addition, your

• Anticipate potential problems. When

language and attitude influence the flow of

planning teacher demonstrations or student

ideas and the quality of exchange among the

investigations, identify potential hazards

students.

and safety concerns. Be aware of what

could go wrong and what can be done to

The following guidelines may help you

prevent the worst-case scenario. Before each

facilitate discussions that balance factual

activity, verbally alert the students to the

information with feelings:

potential hazards and distribute specific

• Remain neutral. Neutrality may be the

safety instructions as well.

single most important characteristic of a

• Supervise students at all times during

successful discussion facilitator.

hands-on activities.

• Encourage students to discover as much

information about the issue as possible.

11

Implementing the Module

Doing Science: The Process of Scientific Inquiry

• Keep the discussion relevant and moving

• Create a sense of freedom in the classroom.

forward by questioning or posing

Remind students, however, that freedom

appropriate problems or hypothetical

implies the responsibility to exercise that

situations. Encourage everyone to

freedom in ways that generate positive

contribute, but do not force reluctant

results for all.

students to enter the discussion.

• Insist upon a nonhostile environment in

• Emphasize that everyone must be open to

the classroom. Remind students to respond

hearing and considering diverse views.

to ideas instead of to the individuals

• Use unbiased questioning to help students

presenting those ideas.

critically examine all views presented.

• Respect silence. Reflective discussions are

• Allow for the discussion of all feelings and

often slow. If a teacher breaks the silence,

opinions.

students may allow the teacher to dominate

• Avoid seeking consensus on all issues.

the discussion.

Discussing multifaceted issues should

• At the end of the discussion, ask students

result in the presentation of divergent

to summarize the points made. Respect

views, and students should learn that this

students regardless of their opinions about

is acceptable.

any controversial issue.

• Acknowledge all contributions in the same

evenhanded manner. If a student seems to

be saying something for its shock value,

see whether other students recognize the

inappropriate comment and invite them

to respond.

12

Using the Student Lessons

The heart of this module is the set of four

Web-Based Activities indicates which of

classroom lessons. These lessons are the

the lesson’s activities use the Doing Science:

vehicles that will carry important concepts

The Process of Scientific Inquiry Web site as

related to scientific inquiry to your students.

the basis for instruction.

To review the concepts in detail, refer to the

Photocopies lists the paper copies and

Science Content and Conceptual Flow of the

transparencies that need to be made from

Lessons table, on page 000.

masters, which follow Lesson 4, at the end

of the module.

Format of the Lessons

Materials lists all the materials (other

As you review the lessons, you will find that all

than photocopies) needed for each of the

contain common major features.

activities in the lesson.

Preparation outlines what you need to do

At a Glance provides a convenient summary of

to be ready to teach the lesson.

the lesson.

Overview provides a short summary of

Procedure outlines the steps in each activity

student activities.

of the lesson. It includes implementation hints

Major Concepts states the central ideas the

and answers to discussion questions.

lesson is designed to convey.

Objectives lists specific understandings

Within the Procedure section, annotations,

or abilities students should have after

with accompanying icons, provide additional

completing the lesson.

commentary:

Teacher Background specifies which

portions of the background section,

identifies teaching strategies that

Information about the Process of Scientific

address specific science content

Inquiry, relate directly to the lesson. This

standards as defined by the National

reading material provides the science

Science Education Standards.

content that underlies the key concepts

covered in the lesson. The information

identifies when to use the Web site

provided is not intended to form the basis

as part of the teaching strategy.

of lectures to students. Instead, it enhances

Instructions tell you how to access

your understanding of the content so that

the Web site and the relevant

you can more accurately facilitate class

activity. Information about using

discussions, answer student questions, and

the Web site can be found in Using the Web

provide additional examples.

Site (see page 15). A print-based alternative to

Web activities is provided for classrooms in

In Advance provides instructions for collecting

which Internet access is not available.

and preparing the materials required to

complete the activities in the lesson.

13

Doing Science: The Process of Scientific Inquiry

identifies suggestions from field-

The lesson organizer is a memory aid you can

test teachers for teaching strategies,

use after you are familiar with the detailed

class management, and module

procedures of the activities. It can be a handy

implementation.

resource during lesson preparation as well as

during classroom instruction.

identifies a print-based alternative

to a Web-based activity to be used

Masters required to teach the activities are

when computers are not available.

located after Lesson 4, at the end of the

module.

identifies when assessment is

embedded in the module’s structure.

Timeline for the Module

An annotation suggests strategies

The following timeline outlines the optimal

for assessment.

plan for completing the four lessons in this

module. This plan assumes that you will teach

The Lesson Organizer provides a brief

the activities on consecutive days. If your class

summary of the lesson. It outlines procedural

requires more time for completing the activities

steps for each activity and includes icons

or for discussing issues raised in this module,

that denote where in each activity masters,

adjust your timeline accordingly.

transparencies, and the Web site are used.

Suggested Timeline

Timeline

Activity

3 weeks ahead

Reserve computers and verify Internet access.

1 week ahead

Copy masters, make transparencies, gather materials.

Lesson 1

Day 1

Activity 1: Mystery Cube

Monday

Activity 2: The Biological Box

Activity 3: Thinking about Inquiry

Lesson 2

Day 2

Activity 1: What’s the Question?

Tuesday

Activity 2: Questions … More Questions

Day 3

Lesson 3

Wednesday

Activity 1: Unusual Absences

Day 4

Lesson 3

Thursday

Activity 2: What’s the Cause?

Day 5

Lesson 3

Friday

Activity 3: What’s the Source?

Day 6

Lesson 3

Monday

Activity 4: Reflecting on the Process of Scientific Inquiry

Day 7

Lesson 4

Tuesday

Activity 1: Pulling It All Together

14

Using the Web Site

The Doing Science: The Process of Scientific

Getting the Most out of the Web Site

Inquiry Web site is a wonderful tool that

Before you use the Web site, or any other piece

can engage student interest in learning, and

of instructional technology in your classroom,

orchestrate and individualize instruction. The

it is valuable to identify the benefits you expect

Web site features simulations that articulate

the technology to provide. Well-designed

with two of the supplement’s lessons. To access

instructional multimedia software can

the Web site, type the following URL into your

• motivate students by helping them enjoy

browser: http://science.education.nih.gov/

learning—students want to learn more

supplements/inquiry/teacher. Click on the link

when content that might otherwise be

to a specific lesson under Web Portion of

uninteresting is enlivened;

Student Activities.

• offer unique instructional capabilities that

allow students to explore topics in greater

Hardware/Software Requirements

depth—technology offers experiences that

The Web site can be accessed from Apple

are closer to actual life than print-based

Macintosh and IBM-compatible personal

media offer;

computers. The recommended hardware and

• support teachers in experimenting with

software requirements for using the Web site

new instructional approaches that allow

are listed in the following table. Although your

students to work independently or in small

computer configuration may differ from those

teams—technology gives teachers increased

listed, the Web site may still be functional on

credibility among today’s technology-

your computer. The most important item in

literate students; and

this list is the browser.

Recommended Hardware and Software Requirements for Using the Web Site*

CPU/processor (PC Intel, Mac)

Pentium III, 600 MHz; or Mac G4

Operating system (DOS/Windows, Mac OS)

Windows 2000 or higher; or Mac OS 9 or newer

System memory (RAM)

256 MB or more

Screen setting

1024 × 768 pixels, 32 bit color

Microsoft Internet Explorer 6.0 or

Browser

Netscape Communicator 7.1

Browser settings

JavaScript enabled

Free hard-drive space

10 MB

Connection speed

High speed (cable, DSL, or T1)

*For users of screen-reader software, a multichannel sound card such as Sound Blaster® Live!™ is recommended.

15

Doing Science: The Process of Scientific Inquiry

• increase teacher productivity—technology

We recommend that you keep your students

helps teachers with assessment, record

in the same collaborative teams for all the

keeping, and classroom planning and

activities in the lessons. This will allow each

management.

team to develop a shared experience with the

Web site and with the ideas and issues that

Ideal use of the Web site requires one computer

the activities present. A shared experience

for each student team. However, if you have

will enhance your students’ perceptions of the

only one computer available in the classroom,

lessons as a conceptual whole.

you can still use the Web site. For example,

you can use a projection system to display

If your student-to-computer ratio is greater

the monitor image for the whole class to

than four to one, you will need to change

see. Giving selected students in the class the

the way you teach the module from the

opportunity to manipulate the Web activities

instructions in the lessons. For example, if

in response to suggestions from the class can

you have only one computer available, you

give students some of the same autonomy in

may want students to complete the Web-based

their learning that they can gain from working

work over an extended time period. You can

in small teams. Alternatively, you can rotate

do this in several ways. The most practical

student teams through the single computer

way is to use your computer as a center along

station. If you do not have the facilities for

with several other centers at which students

using the Web site with your students, you can

complete other activities. In this approach,

use the print-based alternatives provided for

students rotate through the computer center,

the Lesson 3 and 4 activities.

eventually completing the Web-based work that

you have assigned.

Collaborative Groups

We designed many of the activities to be

A second way to structure the lessons if you

done by teams of students working together.

have only one computer available is to use a

Although individual students working alone

projection system to display the desktop

can complete the activities, this strategy

screen for the whole class to view. Giving

does not stimulate the types of student-

selected students in the class the opportunity

student interactions that are part of active,

to manipulate the Web activities in response

collaborative, inquiry-based learning.

to suggestions from the class can give students

Therefore, we recommend that you organize

some of the same autonomy in their learning

collaborative teams of two to four students

they would have gained from working in

each, depending on the number of computers

small teams.

available. Students in groups larger than four

often have difficulty organizing the student-

Web Activities for Students with

computer interactions equitably, leading

Disabilities

to one or two students assuming primary

The Office of Science Education (OSE) is

responsibility for the computer-based work.

committed to providing access to the

Although large groups can be efficient, they

Curriculum Supplement Series for individuals

do not allow all the students to experience the

with disabilities, including members of

in-depth discovery and analysis that the Web

the public and federal employees. To meet

site was designed to stimulate. Team members

this commitment, we will comply with

not involved directly may become bored or

the requirements of Section 508 of the

disinterested.

Rehabilitation Act. Section 508 requires that

individuals with disabilities who are members

16

of the public seeking these materials will have

of the problem, the format in which you

access to and use of information and data that

would like to receive the material, the Web

are comparable to those provided to members

address of the requested material, and your

of the public who are not individuals with

contact information.

disabilities. The online versions of this series

have been prepared to comply with Section 508.

Contact us at

Curriculum

Supplement

Series

If you use assistive technology (such as a Braille

Office of Science Education

reader or a screen reader) and the format of any

National Institutes of Health

materials on our Web site interferes with your

6705 Rockledge Drive, Suite 700 MSC 7984

ability to access the information, please let us

Bethesda,

MD

20892-7984

know. To enable us to respond in a manner

supplements@science.education.nih.gov

most helpful to you, please indicate the nature

Doing Science: The Process of Scientific Inquiry 508-Compliant Web Activities For students with hearing

Lesson, activity

For students with sight impairment

impairment

Lesson 3,

No special considerations are

Students using screen-magnification or

Activities 1, 2, and 3

required.

screen-reading software can choose an

alternate, text-based version of the activity.

The content of the two versions of the

activity is equivalent.

The “Progress Map” at the bottom of each

page keeps track of the student’s progress.

If the student closes the activity and returns

to it later, the activity will resume where the

student left it. The last page of the activity

provides a summary of all the student’s

answers. The student can use the Progress

Map to return to any page and edit his or

her responses.

The computer the students use must be

connected to the Internet.

Supervision is recommended.

Lesson 4,

No special considerations are

Same as Lesson 3, Activities 1, 2, and 3.

Activity 1

required.

17

Using the Web Site

index-29_1.jpg

index-29_2.jpg

index-29_3.jpg

Information about the

Process of Scientific Inquiry

1 Introduction

To a scientist, inquiry refers to an intellectual

“Scientifi c Inquiry refers to the diverse ways in

process that humans have practiced for

which scientists study the natural world and pro-

thousands of years. However, the history of

pose explanations based on the evidence derived

inquiry in American science education is much

briefer. Until about 1900, science education

from their work. Inquiry also refers to the activi-

was regarded as getting students to memorize

ties of students in which they develop knowledge

a collection of facts. In fact, many of today’s

and understanding of scientifi c ideas, as well

teachers and students can confirm that this

as an understanding of how scientists study the

approach is still with us. In 1910, John Dewey

natural world.”

criticized this state of affairs in science

—National Research Council9

education.11 He argued that science should be

taught as a way of thinking. According to this

view, science should be taught as a process.

During the 1950s and 1960s, educator Joseph

Schwab observed that science was being driven

by a new vision of scientific inquiry.12 In

Schwab’s view, science was no longer a process

for revealing stable truths about the world, but

instead it reflected a flexible process of inquiry.

He characterized inquiry as either “stable” or

“fluid.” Stable in