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Science 3

Saskatchewan Curriculum - Grade 3 Science

* The new Saskatchewan Science Curriculum is currently in Draft Mode and will be posted once it is ready. The draft copy can be found here.

Grade 3 Complete Faith Permeation Document (PDF) (DOC) (Teachers are strongly encouraged to use this document)


Unit: Animals
  • Explain some food chains and food webs.
      • Identify foods for humans.
      • Identify foods for animals.
      • Describe some food webs involving humans.
      • Describe food webs in your locale which do not involve humans.
      • Apply the terms predator, prey, grazers, scavenger to the members of the food chains identified.
  • Appreciate that animals can become endangered .
      • Develop an operational definition of the term "endangered species."
      • List some endangered and extinct animals.
      • Examine some protective adaptations of animals.
      • Investigate reasons why animals become endangered or extinct.
      • Identify ways of protecting animals.
Unit: Earth
  • Describe the structure of the Earth.
      • Recognize that the Earth is a sphere.
      • Identify the core, mantle, and crust as the layers of the Earth.
      • Describe the features of the core, the mantle, and the crust.
  • Describe some characteristics of the crust.
      • Observe and describe the surface features of the local area.
      • Observe and describe the composition of soil.
      • Identify types of soils by their components.
      • Describe the process of soil formation.
      • Recognize the importance of soil.
      • Consider the interdependence of agriculture and the soil.

Unit: Properties of Matter
  • Describe some characteristic properties of matter.
      • Determine which properties of objects can be used to help identify them.
      • Develop skills in using a balance to measure the mass of matter.
      • Recognize solids, liquids, and gases as states of matter.
      • Examine some of the properties of solids, liquids, and gases.
  • Identify some changes in matter.
      • Recognize that the state of matter is a physical property .
      • Identify changes of state.
      • Associate changes of state with temperature changes.
      • Discuss ways of using changes of state to estimate temperatures.
      • Investigate some physical changes and some chemical changes.
Unit: The Solar System
  • Describe and demonstrate the motions of the Earth and the Moon.
      • Define the terms revolution and rotation, with respect to the Earth and the Moon.
      • Describe how the rotation of the Earth produces day and night.
      • Recognize that the revolution of the Earth around the Sun produces the seasons.
      • Investigate why the full moon and new moon occur, using models .
      • Observe the full moon and the new moon in the sky.
      • Show how the eclipses of the Sun and the Moon occur .
  • Describe the solar system .
      • Compare the sizes of the Sun, the Moon, and the Earth.
      • Name the planets .
      • Describe some characteristics of each planet .
      • Locate the planets Venus, Mars, and Jupiter in the sky or on sky charts.
Optional Unit: Fire and Fuels
  • Understand the components necessary for fire.
      • Develop an operational definition of fire.
      • Identify some common fuels.
      • Identify oxygen as the most common substance which supports combustion of fuels.
      • Understand the concepts of ignition and kindling temperature.
  • Describe the principles of extinguishing fires.
      • Recognize the three components necessary for fire.
      • Describe how to remove or reduce each component.
      • Discuss inappropriate ways of removing or reducing components.
      • Develop classroom guidelines to use in case of fire.
  • Discuss some uses of fire.
      • Identify and describe uses of fire.
      • Propose alternatives to the use of fire.
Optional Unit: Heating and Cooling
  • Recognize common sources of heat.
      • Describe how other forms of energy can be converted into heat energy.
      • Describe how to detect the presence of heat.
      • Observe how heat can be transferred from one object to another.
      • Experiment with aiding and inhibiting heat transfer.
      • Contrast the concept of heat with the term "cold."
  • Describe the effect of heat on matter.
      • Observe and describe the effect of heat on solids.
      • Observe and describe the effect of heat on liquids.
      • Use the terms for the common changes of state.
      • Develop operational definitions for changes of state.
Optional Unit: Plant Structures and Adaptations
  • Describe diversity in plant structure.
      • Recognize roots, stems, leaves, and flowers as common structures of most plants.
      • Examine modifications of roots, stems, leaves, and flowers.
      • Discuss how plants are used by humans.
  • Explain how the structures of a plant help it survive.
      • Investigate the functions of roots, stems, leaves and flowers.
      • Observe and describe the response of plants to environmental stimuli.
      • Observe and describe how plants are adapted to environmental conditions.
Optional Unit: Simple Machines
  • Recognize the different types of force and energy.
      • Observe how gravity, magnetism, push and pull, and friction influence objects.
      • Observe how electrical, chemical, heat, light, sound, and kinetic energy influence objects.
      • Describe the relation between energy and force.
  • Describe how simple machines convert force into motion.
      • Examine how levers work.
      • Examine how pulleys work.
      • Examine how wheels and axles work.
      • Examine how inclined planes work.
      • Examine some compound machines.
      • Design and construct a simple or compound machine to complete a particular task.
      • Consider the relationship between energy and motion.
Optional Unit: Sound
  • Explain the nature and properties of sound.
      • Compare transmission of sound through air, water, and some solids.
      • Demonstrate that sound is produced by vibrations.
      • Investigate changing the pitch and the quality of a sound.
      • Discover a place where strong echoes are produced.
  • Describe some uses of sound.
      • Observe and describe some uses of sound.
      • Propose some new uses for sound.
      • Devise, or modify, devices which produce sound, in order to produce a sound for particular purpose.
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