Nature of Sound By Group 3 IV-St. Catherine The speed of light in a vacuum is 299,792,458 meters per second or 186,000 miles per second (669,600,000 mph), which is roughly…
1. AUGUST MONTH GK QUIZ 2. •Space quiz 3. • Which is the fastest planet? A)Mercuryb)venusc)pluto 4. • Which planet is some time called evening star? • A) neptune…
1. WAVES Chapter 10 2. What is a wave? A vibration or disturbance. SOUND & LIGHT are forms of energythat travel in waves. 3. Period (T) A period is the time…
1.Done By Adarsh.N.J 2. Introduction Sound plays an important role in our lives. It helps us to communicate with one another. We hear a variety of sounds in our…
1. WAVES Chapter 10 2. 3. What is a wave? A vibration or disturbance. SOUND & LIGHT are forms of energy that travel in waves. 4. Period (T) A period is the time it…
1. Light and sound CONTENTS RESOURCES 2. Contents Sound Soundaswaves Properties Qualities The qualities of sound Reflection Echoes and reverberation Sonar Light and sound…
1. 101. WE MEASURE WEIGHT IN: a) litres b) grams c) volume d) meters 102. LIVING AND NON- LIVING THINGS ARE MADE UP OF: a) sand b) matter c) sand and matter d) water 103.…