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Elementary Science - Grade 3

1: People
  • Prove that there are changes as children grow.
    • Measure one's height and weight.
    • Compare present height and weight to previous measurements.
    • Compare present and physical capabilities to infants' motor skills (e.g. crawling vs. walking and running, using eating utensils).
    • Compare one's social activities/interests with those of previous years (e.g. playing with friends, helping out with chores vs. being taken care of by parents).
  • Understand the importance of eating the right kinds and amount of food, sleeping for 8-10 hours, resting and engaging in recreational activities for proper growth and development of body and mind.
    • Classify food according to its nutrient content.
    • Make menus for breakfast, lunch and supper showing a balance of the different nutrients.
    • Describe the effects of poor nutrition and inadequate sleep, rest and recreation on the child's growth and development.
    • Discuss desirable practices related to eating, sleeping, resting and recreation.
    • Demonstrate through a play/ skit desirable practices related to eating, sleeping, resting and recreation.
  • Explain the important function of the different sense organs.
    • Identify the sense organs and their functions.
    • Describe the characteristics of things around them using the different sense organs.
    • Identify the main parts of each sense organ using a model/diagram.
    • Describe the function of each main part identified.
    • Demonstrate care of the sense organs.
2: Animals
  • Conclude that animals have similarities and differences.
    • Identify and describe the animals' body parts used for movement.
    • Classify/animals according to body parts, movements and places where they live (habitat).
    • Identify and describe places were they live.
  • Cite evidence that animals need food, air, water, shelter and peoples' care.
    • Describe the effect on the domestic animals (e.g. dog, carabao) if they are not provided with food, shelter with ventilation, water.
    • Demonstrate/role-play care and concern for animals.
3: Plants
  • Conclude that plants have similarities and differences.
    • Identify the parts of different kind of plants and their functions (tree, grass, herb).
    • Classify plants according to size, height and characteristics of their parts (e.g. shape of leaves, texture of stem, color of flowers and number of petals).
  • Discuss the importance of plants.
    • Give examples of plants used for food, building materials, medicine, fuel and decorative purposes.
    • Classify plants according to use as enumerated in #1.
    • Demonstrate ways of caring and conserving plants.
4: Materials
  • Describe observable characteristics of solids, liquids and gases.
    • Observe some characteristics of solids (e.g. wood, clay, plastic, glass, paper and metal) such as shape, hardness, texture and color.
    • Observe some characteristics of liquids such as shape, hardness, texture and color.
    • Observe some characteristics of gases (e.g. color, odor and taste of air).
  • Demonstrate that solids, liquids and gases have weight.
    • Estimate the weight of solids by balancing with the hands, and using an improvised balance and non-standard weights (e.g. marbles, paper clips).
    • Measure the weight of solids using weighing scales in the marketplace and health clinics.
    • Estimate the weight of liquids using an improvised balance and non-standard weights (e.g. marbles, paper clips).
    • Perform an activity to show that gases have weight using an improvised balance.
  • Demonstrate that solids, liquids and gases occupy space.
    • Estimate space occupied by solids (e.g. number of books that will fill a box, number of marbles that will fill up a cup).
    • Estimate space occupied by liquids using a spoon, cup and bottle.
    • Measure space occupied by liquids using a dropper with calibration, feeding bottle with calibration, beaker and graduated cylinder.
    • Perform an activity to show that gases occupy space.
  • Describe differences in observable characteristics of solids, liquid and gases.
    • Record the characteristics of solids, liquids and gases using a table.
    • Differentiate between solids, liquids and gases based on observable characteristics.
5: Energy
  • Recognize when light is present.
    • Infer that light is needed to see objects.
    • Identify sources of light.
    • Show evidence that light travels in a straight line and that it travels outward in all directions.
    • Show evidence that light bends when it travels from one material to another at an angle.
  • Explain what may happen when light strikes an object.
    • Describe what happens when an object is placed in the path of light.
    • Classify objects as opaque, transparent, translucent.
    • Describe what happens when light strikes a prism.
  • Know that sound is produced by things that vibrate.
    • Demonstrate ways to make sound (e.g. shaking objects, striking, blowing).
    • Describe that sound is produced when things vibrate.
    • Conclude that different objects make different sounds.
    • Show evidence that sound is produced when things vibrate.
  • Understand that force cause changes in motion.
    • Demonstrate ways to make objects move.
    • Define force as a push or pull.
    • Identify objects (wind, water, magnet, charged objects) that can make other objects move.
    • Demonstrate ways of exerting a force on an object causing it to move, speed up, change direction, slow down or stop.
6: Earth
  • Conclude that one's environment is made up of water, land, air and other life forms.
    • Describe the home, school, environment or any place.
    • Identify life forms in the environment found in water, on land, and in the air.
    • Infer that the components of the environment is the same in different places.
  • Explain the importance of different kinds of soil.
    • Give examples of how people use soil.
    • Classify the different kinds of soil in different ways (e.g. texture, color).
    • Identify practices that cause soil pollution.
    • Infer how pollution affects soil productivity.
    • Discuss ways of protecting the soil.
  • Explain that water is important.
    • Discuss ways how people use water.
    • Identify the sources of water.
    • Identify household practices that contribute to water pollution.
    • Give characteristics of polluted water.
    • Practice ways of protecting/ conserving water.
  • Cite evidence that weather changes from day to day.
    • Record the weather for the day/week using symbols.
    • Interpret a simple weather chart.
    • Identify activities done during certain weather conditions and why these activities can only be done during these conditions.
    • Practice safety measures during certain types of weather.
7: Sun
  • Understand that the changes in temperature on the Earth's surface is caused by the Sun's heat.
    • Record the changes of temperature at different times of the day.
    • Interpret data on the changes of temperature.
  • Explain how the Sun's heat and light affect human beings and other living things.
    • Cite evidences that over-exposure to sunlight affects the skin and eyes.
    • Practice precautionary/safety measures to avoid getting hurt from the Sun,s heat and light.
    • Show evidences that plants are affected by too much or lack of light and heat from the sun.
    • Show evidence that animals are affected by too much or lack of light and heat from the sun.
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