Science 8

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Course Description

Science 8 aims to describe the factors that affect the motion of an object based on the Laws of Motion. They can differentiate the concept of work as used in science and in layman’s language. They know the factors that affect the transfer of energy, such as temperature difference, and the types of the medium. They can explain how active faults generate earthquakes and how tropical cyclones originate from warm ocean waters. They recognize other members of the solar system.

Learners can explain the behaviour of matter in terms of the particles it is made of. They recognize that ingredients in food and medical products are made up of these particles and are absorbed by the body in the form of ions.

Science 8 aims to describe the factors that affect the motion of an object based on the Laws of Motion. They can differentiate the concept of work as used in science and in layman’s language. They know the factors that affect the transfer of energy, such as temperature difference, and the types of the medium. They can explain how active faults generate earthquakes and how tropical cyclones originate from warm ocean waters. They recognize other members of the solar system.

Learners can explain the behavior of matter in terms of the particles it is made of. They recognize that ingredients in food and medical products are made up of these particles and are absorbed by the body in the form of ions.

Learners recognize reproduction as a process of cell division resulting in growth of organisms. They have delved deeper into the process of digestion, giving emphasis on proper proper nutrition for overall wellness. They can participate in activities that protect and conserve economically important species used for food.

I. Objectives

            At the end of the unit, the students will be able to:

1. Investigate the relationship between the amount of force applied and the mass of the object to the amount of change in the object’s motion;
2. Infer that when a body exerts a force on another, an equal amount of force is exerted back on it ;
3. Identify and explain the factors that affect potential and kinetic energy;
4. Investigates the effect of temperature to the speed of sound;
5. Explain the hierarchy of colors in relation to the energy of visible light
6. Differentiate between heat and temperature at the molecular level.
7. Infer the relationship between current and voltage;
8. Explain the advantages and disadvantages of series and parallel connections in homes.
9. Explain the functions of circuit breakers,fuses, earthing, double insulation, and other safety devices in the home

II. Content

I. Laws of Motion

            a. Nature of Force

            b. Newton’s Three Laws of Motion

            c. Circular Motion

II.Work, Energy and Power

            a. Work

            b. Energy (Potential and Kinetic)

            c. Power

III. Sound

            a. Sound Propagation

            b. Speed of Sound

            c. Doppler Effect

            d. Application of Sound

IV. Light

            a. Characteristics of Light

            b. The Spectrum of Visible Light

            c. Properties of Light

V. Heat

            a. Temperature and Heat

            b. Thermal Expansion

            c. Quantity of Heat

            d. Specific Heat Capacity of Water

            e. Phase Change

f. Heat loss and Heat Gain

VI. Electricity

            a. Electric Current, Voltage Source and Electrical Resistance.

            b. Ohm’s Law

            c. Electric Energy and Power

            d. Series and Parallel Connections

            e. Safety Electrical Devices.

III. Criteria of Evaluation

Written………………….………….40%

Performance Task……………..40%

Quarterly Assessment………20%

                                     100%

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