3. The dog ran 10m to the east, then 5m to the south,and another 10m to the west. What is the total distance?

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1 October 28, 2014 Refer to Module 1: Activity 1: Where is it? October 29, It refers to the length of the entire path that the object travelled. A. Displacement B. Velocity C. Speed D. Distance 2. It refers to the shortest distance between the objects two positions, like the distance between its point of origin and its point of destination, no matter what path it took to get to that destination. A. Displacement B. Velocity C. Speed D. Distance 3. The dog ran 10m to the east, then 5m to the south,and another 10m to the west. What is the total distance? A. 5 meters B. 25 meters C. 15 meters D. 10 meters 4. A man walk 10m to the west, then 5 meters to the north,and another10meters to the east.what is the total displacement? A. 5 meters B. 25 meters C. 15 meters D. 10 meters 5. What is the positon of the tree with respct to the dog? A. 5 m B. 10 m C. 15 m D. 0 m October30, 2014 Refer to module 1. Activity 2: My home to school road map November 3, 2014 Problem Solving 1. Solve the speed of the car using the formula for speed after 2 seconds? 2. Solve the speed of the car using the formula for speed after 5 seconds?

November 4, 2014 Refer to the illustration to answer the questions below. 1. What is the difference between velocity and speed? 2. Can a body have zero velocity and be accelerating? 3.

2 November 4, 2014 Refer to the illustration to answer the questions below. 1. What is the difference between velocity and speed? 2. Can a body have zero velocity and be accelerating? 3. Can a body have a constant speed and changing velocity? November 6, What is the difference between distance and displacement using the Illustrationbelow. November 10, Show distance and displacement by means of tracing your way from your classroom to the principals office or place may vary. Identify wether the given quantities is distance, speed, acceleration, velocity m/s m/s kph,north 4. 5 m m/s2

3 November 11,2014 Write the word or term described. Choose your answer from the box below. Motion Acceleration Velocity Speed Average Speed Distance. 1. Change in position. 2. Tells how fast something changes in position. 3. Total distance moved divided by total time of motion. 4. Speed of an object in a particular direction. 5. How fast velocity changes. November 13, A periodic disturbance that moves away from a source and carries energy. A. Wave B. pulse C. Vibration D. Periodic 2. What causes wave motion? A. Pulse B. Vibration C. Earthquake D. wave 3. A pulse sent down in a long string eventually dies and disappears. What happens to its energy? A. The energy disappears with the wave. B. The energy remains along the length of the string C. The energy is transferred from the wave to the environment D. The pulse does not carry energy. 4. The repetitive motion that you do with your hand while waving. A. Wave B. Vibration C. pulse D. waveform 5. What types of wave produces when you use a rope? A. Transverse B. Longitudinal C. Surface waves D. periodic wave November 17, Waves that moves in a perpendicular direction. A. Transverse wave B. longitudinal wave C. surface wave D. periodical wave 2. Waves that moves in a parallel direction A. Transverse wave B. longitudinal wave C. surface wave D. periodical wave 3. When each portion of the coil spring is alternatively compressed and extended, what wave form is produced? A. Surface wave B. transverse wave C. longitudinal wave D. none of the above 4. Waves in a rope are called waves because the individual segments of the rope vibrate to the direction in which the waves travel. A. transverse perpendicular C. surface - circular B. longitudinal parallel D. periodic alternatively

4 5. Waves on the surface body of water are combination of transverse and longitudinal waves. Each water molecule moves in a pattern as the waves pass by. A. transverse B. Circular C. Parallel D. perpendicular November 18, Waves that require medium for wave propagation. A. Electromagnetic wave B. mechanical wave C. earthquake wave D. transverse wave 2. Energy from the sun reaches the earth through. A. Mechanical wave B. Electromagnetic wave C. Radiation D. X rays 3. Mechanical waves transport energy from one place to another through A. Alternately vibrating particles of the medium B. Particles traveling with the wave. C. Vibrating particles and traveling particles. D. None of the above. 4. It is an important source of ultraviolet waves, which is the main cause of sunburn. A. Mechanical wave B. SUN C. electromagnetic wave D. Gamma 5. Types of Waves which has the shortest wavelength. A. Gamma B. Ultraviolet C. Radio wave D. Infrared November 19, The higher the frequency of the wave A. The lower its speed C. The greater its amplitude B. The shorter its wavelength D. the longer its wavelength 2. Of the following properties of a wave, the one that is independent of the other is its A. amplitude B. wave speed C. wavelength D. Frequency 3. Indicate the interval that represent half wavelength A. A to E C. A to B B. B to E D. C to E 4 3. The wavelength of the wave in the diagram is given by letter. 4. The amplitude of the wave in the diagram is given by letter.

5 November 20, Which of the following objects will produce sound? A. Soft objects C. Vibrating objects B. Radio stations D. objects under pressure 2. A sound wave is a. A. Longitudinal wave C. standing wave B. Transverse wave D. shock wave 3. Which of the following is not capable of transmitting sound? A. Air C. steel B. Water D. vacuum 4. Which of the following would most likely transmit sound best? A. Steel in the cabinet C. air in your classroom B. Water in the ocean D. water in the swimming pool 5. Sound travel fastest in. A. Solid B. liquid C. gas D. vacuum November 24, Which of the following best describes a high frequency sound? A. Low pitch C. Low energy B. High pitch D. A and E 2. Compared to a thin string of the same length and tightness a thick string produces sounds of a A. The same pitch C. higher pitch B. Lower pitch D. lower than higher pitch 3. Which of these pairs has terms incorrectly matched? A. Amplitude loudness C. waveform - intensity B. Pitch frequency D. none of the above 4. Pitch is determined by what property of sound? A. Refraction C. Amplitude B. Wavelength D. frequency 5. What property of a wave increases as the waves energy increases? A. Frequency C. wavelength B. Pitch D. Amplitude November 25, 2014 Refer to Activity in the Module November 26, What organisms/animals that can detect as high as 50,000 Hz? A. Bats B. cats C. dogs D. elephant 2. What animal that can detect as high as 100,000 Hz? A. Bats B. cats C. dogs D. elephant

6 December 1, 2014 Instruction: Identify the answer/s from the given box below. Christian Huygen Isaac Newton Sun Max Planck James Clark Maxwell 1. A natural light source and is also considered as a luminous body. 2. A scientist who believed that light behaves like a particle. 3. The one who came up with what is now known as the Dual Nature of Light. 4. He believed that light behaves like a wave. 5. He proposed the Electromagnetic Theory of Light. December 2, The higher the frequency of the wave A. The lower its speed C. the greater its amplitude B. The shorter its wavelength D. the longer its period 2. Which of the following best describes a high frequency sound. It has A. Low pitch C. low energy B. High pitch D. A and C 3. ROYGBIV is the basic component of white light. Which color of light carries the most energy? A. Blue B. Green C. Orange D. Red 4. Which color registers the lowest frequency? Longest wavelength? A. Blue B. Green C. violet D. Red 5. Which color registers the highest frequency? Shortest wavelength? A. Blue B. Green C. violet D. Red December 3, 2014 Refer to Activity questions in the Module. Activity 1. Part 2: Langis Kandila or Lampara December 4, 2014 Refer to Activity questions in the Module. Activity 1. Part 3. Intensity vs Distance from the light source December 8,2014 Refer to Activity questions in the Module Activity 1. Warm me up, cool me down

7 December 9, 2014 Identify the answers from the given choices in the box below. Conduction Insulators Metals Conductors Conductivity 1. Ability to conduct heat. 2. Object that conduct heat properly. 3. Takes place when the particles between objects or places that are in constant vibrate and collide at different speeds due to the difference in their temperature. 4. Objects that conduct heat best. 5. One of the best conductors. December 10,2014 Use TRUE or FALSE for the following statements: 1. The pan on the stove gets hot through radiation 2. Rising warm air currents is caused by convection. 3. Warm air sinks. 4. Higher temperature means faster moving molecules. 5. When air warms up the molecules move slower.

8 December 11,2014 Modified True or False. Write True if the statement is correct and change the underline word if it is wrong. 1. Dark objects absorb more solar radiation than light objects. 2. Higher temperature means faster moving particles. 3. The sun directly heats the air in our atmosphere. 4. The sun heats the surface of the earth by radiation which travels in waves. 5. All surfaces on the Earth absorbradiation.these surfaces will reradiate their heat to warm the atmosphere.v December 15, Several non metals are gases at a room temperature. A. True B. False C. Cannot be determined D. All of these 4. Which of the following is not a property of metal. A. High melting point B. Low density C. Good conductor of heat D. Hardness 5. Metal is A. Good conductor of heat B. Cannot be hammered C. Cannot make a distinctive sound D. Poor conductor of electricity December 16, Name atleast five common insulators or poor conductors of electricity and their uses. December 17, 2014

11 December 18,2014

Chapter 34. Electromagnetic Waves

Chapter 34. Electromagnetic Waves Chapter 34 Electromagnetic Waves Waves If we wish to talk about electromagnetism or light we must first understand wave motion. If you drop a rock into the water small ripples are seen on the surface of