North Carolina State Science Standards — Grade 3

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Recognize that the earth is part of a system called the solar system that includes the sun (a star), planets, and many moons and the earth is the third planet from the sun in our solar system.


Recognize that changes in the length and direction of an objects shadow indicate the apparent changing position of the Sun during the day although the patterns of the stars in the sky, to include the Sun, stay the same.


Compare Earths saltwater and freshwater features (including oceans, seas, rivers, lakes, ponds, streams, and glaciers).


Compare Earths land features (including volcanoes, mountains, valleys, canyons, caverns, and islands) by using models, pictures, diagrams, and maps.


Compare the different functions of the skeletal and muscular system.


Explain why skin is necessary for protection and for the body to remain healthy


Remember the function of the following structures as it relates to the survival of plants in their environments: Roots absorb nutrients Stems provide support Leaves synthesize food Flowers attract pollinators and produce seeds for reproduction


Explain how environmental conditions determine how well plants survive and grow.


Summarize the distinct stages of the life cycle of seed plants.


Explain how the basic properties (texture and capacity to hold water) and components (sand, clay and humus) of soil determine the ability of soil to support the growth and survival of many plants


Infer changes in speed or direction resulting from forces acting on an object.


Compare the relative speeds (faster or slower) of objects that travel the same distance in different amounts of time.


Explain the effects of earths gravity on the motion of any object on or near the earth.


Recognize that air is a substance that surrounds us, takes up space and has mass.


Compare solids, liquids, and gases based on their basic properties


Summarize changes that occur to the observable properties of materials when different degrees of heat are applied to them, such as melting ice or ice cream, boiling water or an egg, or freezing water.


Recognize that energy can be transferred from one object to another by rubbing them against each other.


Recognize that energy can be transferred from a warmer object to a cooler one by contact or at a distance and the cooler object gets warmer