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Guam Public School System Third Grade Science

SCIENCE

Grade 3 Standards

The K-3 student should be able to explore phenomena and tell others what they see, what they think, and what they wonder about. They can use tools like thermometers, magnifiers, rulers, and balances to get more information about things, then describe what they see and compare with others’ descriptions. They can investigate how things work by assembling, describing, examining the properties of materials, and taking apart.

CONTENT STANDARD 1

1. Science As Inquiry

Students will:

  • Use imagination, inventiveness, logic, and experimental evidence required by scientific inquiry

  • Know how the world works, how we can go about finding out how it works, and how our understanding of the world can change over time

  • Know how human thought and action have been transformed by scientific and technological revolutions

  • Display high standards of ethics including openness, objectivity, honesty, and accuracy

Performance Indicators

1.3.1 Tell differences and similarities among things collected and observed.

CONTENT STANDARD 2

2. Habits of Mind

Students will:

  • Demonstrate inquiry skills such as questioning, imagination, inventiveness, logic gathering, experimental evidence, making measurements, careful observation

  • Be a scientific literate person that is curious, creative, open-minded, skeptical, willing to suspend initial judgments, able to collaborate with others, and persistent in the face of failure

  • Be able to judge evidence, distinguish fact from fiction, identify bias and incomplete argument, compare trade off among features, performance, durability and cost, and make informed choices on personal issues

Performance Indicators

2.3.1 Describe different forms of investigations- observing, collecting, doing experiments.

2.3.2 Use kitchen or laboratory equipment while practicing proper safety.

2.3.3 Record observations properly.

CONTENT STANDARD 3

3. Living Organisms

Students will:

  • Describe similarities and differences of life forms

  • Understand the cell

  • Know that life forms change over time through natural processes that involve variation, adaptation, inheritance of characteristics, and natural selection

  • Know that instructions for developing living organisms are passed from parents to offspring through DNA.

Performance Indicators

3.3.1 Identify similarities and differences among living organisms.

3.3.2 Describe a classification system for living things.

3.3.3 Use a microscope to observe microscopic organisms.

3.3.4 Describe the differences among habitats of living things.

3.3.5 Identify traits of living organisms and classify the organism according to the traits.

3.3.6 Draw a family tree and identify some traits common to all members in the family tree.

CONTENT STANDARD 4

3. Matter and Its Interactions

Students will:

  • Understand that the properties of materials enhances human abilities to use materials for a variety of purposes

  • Understand that matter can undergo a variety of changes (physical and chemical change, natural, controlled, change) while the amount and number of atoms remain constant

Performance Indicators

4.3.1 Design and build objects that require different properties of materials.

4.3.2 Use size, capacity and mass to describe objects.

4.3.3 Describe how objects change during an investigation.

CONTENT STANDARD 5

5. Forces of Nature

Students will:

  • Know that gravitational and electromagnetic forces give matter some of its properties and result in the motion of and interaction between objects

Performance Indicator

5.3.1 Describe how magnets and static electricity can affect the movement of objects.

CONTENT STANDARD 6

6. Motion

Students will:

  • Describe how different kinds of motion of objects on Earth and in the Universe explain everyday events and can be used to predict future events

Performance Indicator

6.3.1 Use quantitative data to report findings of investigations.

6.3.2 Describe some “vibrations”.

CONTENT STANDARD 7

7. Energy

Students will:

  • Know that energy is the ability to do work and that energy manifests itself in a variety of forms with a variety of characteristics

  • Know that the transfer and transformation of energy is a critical part of all living, physical and human systems

Performance Indicators

7.3.1 Describe the characteristics of different kinds of energy.

CONTENT STANDARD 8

7. Forces That Shape the Earth

Students will:

  • Know that climate, seasons, weather, and characteristics of the ocean are caused by the earth’s revolution around the sun, tilt of its axis, rotation on its axis, and the moon’s orbit around the earth

  • Know that the surface of the earth is changed by forces within the earth and human activities

  • Know that the non-living environment of water and land shapes ecosystems, that living organisms are conditioned by rainfall, temperature, topography, mineral concentrations, and solar radiation

Performance Indicators

8.3.1 Use pictures and words to describe natural phenomena around them.

8.3.2 Observe and describe different features of our island.

8.3.3 Build models of various islands.

8.3.4 Describe the role of the sun in plant growth.

8.3.5 Describe the roles of producers and consumers and decomposers within an ecosystem.

8.3.6 Describe the connection between body structures and habitats.

CONTENT STANDARD 9

7. Ecology

Students will:

  • Know that changes in ecosystems can be caused by natural and human activities which may affect all members of the system

  • Understand how organisms are linked to one another and their surroundings by the exchange of energy and matter

  • Describe the responsibilities human beings have as the stewards of the environment

Performance Indicators

9.3.1 Describe organisms and their need for survival within an environment.

9.3.2 Describe different habitats and the changes that can take place within a habitat.

9.3.3 Describe where substances come from and where they go.

9.3.4 Identify basic parts of a food web. Describe various conservation practices.

9.3.5 Describe various conservation practices.

CONTENT STANDARD 10

10. Space and Astronomy

Students will:

  • Describe various ideas about the origin, nature, and development of the universe throughout history

  • Know how the universe and the objects in it appears to operate according to a number of established principles which have been realized over time

Performance Indicators

10.3.1 Make an inventory of the variety of things in the universe.

10.3.2 Build models of the solar system.

10.3.3 Describe the earth’s relationship to the moon, stars and other planets.

CONTENT STANDARD 11

11. The Nature of Technology

Students will:

  • Understand the interdependence between science and technology

  • Describe how technology systems limited by trade off, side effects, and other constraints are designed and developed

  • Know that the decision to develop, use or limit the use of a particular technology depends on the expected benefits, costs, anticipated risks, and cultural values

Performance Indicators

11.3.1 Describe the advantages and disadvantages of alternative ways of doing something.

11.3.2 Use tools such as microscopes, cameras and tape recorders to record what is seen.

11.3.3 Design and analyze products.

11.3.4 Describe Pacific island technologies.

11.3.5 Describe undesirable side effects and opportunities from technologies advances in health care, transportation and communication.

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