This material includes procedural steps in conducting simple maintenance of science equipment.
Objective
It serves as a guide for teachers in teaching the proper usage of laboratory apparatus and equipment.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 7, Grade 8, Grade 9, Grade 10
Learning Area
Science
Content/Topic
Force Motion and Energy
Intended Users
Educators
Competencies
Infer that waves carry energy
Differentiate transverse from longitudinal waves and mechanical from electromagnetic waves
Relate the characteristics of waves
Describe the characteristics of sound using the concepts of wavelength velocity and amplitude
Explain sound production in the human voice box and how pitch loudness and quality of sound vary from one person to another
Describe how organisms produce transmit and receive sound of various frequencies infrasonic audible and ultrasonic sound
Relate characteristics of light such as color and intensity to frequency and wavelength
Infer that light travels in a straight line
Infer the conditions necessary for heat transfer to occur
Describe the different types of charging processes
Explain the importance of earthing or grounding
Demonstrate the existence of the color components of visible light using a prism or diffraction grating
Explain the hierarchy of colors in relation to energy
Explain that red is the least bent and violet the most bent according to their wavelengths or frequencies
Infer the relationship between current and charge
Explain the advantages and disadvantages of series and parallel connections in homes
Differentiate electrical power and electrical energy
Explain the functions of circuit breakers fuses earthing double insulation and other safety devices in the home
Describe the horizontal and vertical motions of a projectile
Investigate the relationship between the angle of release and the height and range of the projectile
Relate impulse and momentum to collision of objects eg vehicular collision
Infer that the total momentum before and after collision is equal
Examine effects and predict causes of collisionrelated damagesinjuries
Explain energy transformation in various activitiesevents eg waterfalls archery amusement rides
Perform activities to demonstrate conservation of mechanical energy
Infer that the total mechanical energy remains the same during any process
Construct a model to demonstrate that heat can do work
Infer that heat transfer can be used to do work and that work involves the release of heat
Explain why machines are never 100percent efficient
Explain how heat transfer and energy transformation make heat engines like geothermal plants work
Compare the relative wavelengths of different forms of electromagnetic waves
Cite examples of practical applications of the different regions of em waves such as the use of radio waves in telecommunications
Explain the effects of em radiation on living things and the environment
Predict the qualitative characteristics orientation type and magnification of images formed by plane and curved mirrors and lenses
Apply ray diagramming techniques in describing the characteristics and positions of images formed by lenses
Identify ways in which the properties of mirrors and lenses determine their use in optical instruments eg cameras and binoculars
Demonstrate the generation of electricity by movement of a magnet through a coil
Explain the operation of a simple electric motor and generator
