SUBJECT - EVS
03/02/2021 (WEDNESDAY)
VIRTUAL ONLINE CLASS DETAILS
TOPIC TAUGHT (TODAY)
CH- 10 (Sound, Light, and Force)
Force (Video shown and explained on the push and pull from youtube)
Textbook read and explained.
Notebook work 👇
New Words
1. sound
2. noise
3. soothe
4. vibrations
5. luminous objects
6. non-luminous object
7. reflected
8. shadow
9. source
10. force
New Terms
1. Gravity- The force that attracts a body towards the centre of the earth.
2. Irritate- Make (someone) annoyed or a little angry.
3. Silhouette- The dark shape and online of someone or something visible in restricted light against a brighter background.
Q4.Answer the following questions in 3 to 5 sentences.
Qa. What is a shadow?
Ans. The dark patch formed when an object blocks the
path of light.
Qb. How can we reduce noise?
Ans. 1. We should learn to speak softly.
2. We should always
watch television and play music at low volume so that we do not disturb others.
Qc. Give an example of a pleasant sound.
Ans. The chirping of birds, the rustling of dry leaves, soft music etc.
Qd. What is force?
Ans. A push or a pull is called force.
HOMEWORK
Text Bookwork👇
Complete Q1, Q2, Q3 and Q5 in textbook itself.
Read the chapter.
