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Below are the objectives for Grade 8.  Click on the link  for students or  for teachers for any objective to see the resources available or to add your own resource.

HomeScience - Grade 8

 

Standard 3: Physical

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Benchmark

Indicator

B.   In simple cases, describe the motion of objects and conceptually describe the effects of forces on an object.

1.   Describe how the change in (motion) of an object is described in comparison to a reference point.

2.   Explain that motion describes the change in the position of an object (characterized by a speed and direction) as time changes.

3.   Predict that an unbalanced force acting on an object changes that object’s speed and/or direction.

 

D.   Describe that energy takes many forms, some forms represent kinetic energy and some forms represent potential energy; and during energy transformations the total amount of energy remains constant.

4.   Examine that waves transfer energy.

5.   Demonstrate that vibrations in materials may produce waves that spread away from the source in all directions (e.g., earthquake waves and sound waves).

 

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