What is a shadow? How are shadows formed?  

Important Questions on Light, Sound and Force

MEDIUM

3rd CBSE

IMPORTANT

EXPANDED Universal Science 3>Chapter 13 - Light, Sound and Force>ASSESSMENT ZONE>Q F

 Differentiate between transparent and opaque objects.  

MEDIUM

3rd CBSE

IMPORTANT

EXPANDED Universal Science 3>Chapter 13 - Light, Sound and Force>ASSESSMENT ZONE>Q F

What is sound? Give two examples of pleasant and unpleasant sounds.

MEDIUM

3rd CBSE

IMPORTANT

EXPANDED Universal Science 3>Chapter 13 - Light, Sound and Force>ASSESSMENT ZONE>Q F

What is noise? List three habits to reduce noise.

MEDIUM

3rd CBSE

IMPORTANT

EXPANDED Universal Science 3>Chapter 13 - Light, Sound and Force>ASSESSMENT ZONE>Q F

What is a force? How is it helpful to us?   

MEDIUM

3rd CBSE

IMPORTANT

EXPANDED Universal Science 3>Chapter 13 - Light, Sound and Force>ASSESSMENT ZONE>Q F

Have you seen a firefly? It is a ‘luminous animal’! Why? 

MEDIUM

3rd CBSE

IMPORTANT

EXPANDED Universal Science 3>Chapter 13 - Light, Sound and Force>SUBJECT CONNECT

Noise is a loud and unpleasant sound. Draw the traffic signal inside the box that indicates 'No Honking". In which public places are those signals used and why?