Eyes, ears, nose, tongue and skin are
Sense organs
Respiratory organs
Circulatory organs
Digestive organs
What are vibrations?
Fast to-and-fro movements
Fast back and forth movements
Slow back and forth movements
Slow to-and-fro movements
What is formed when an object blocks the path of light?
Reflection
Dimension
Shadow
Refraction
Loud sounds are called
Noise
Sigh
Grunt
Snif
Light travels in a
Straight line
Curved line
Vertical line
Parallel line
We can see things only when there is
Light
Objects that gives out light are
Luminous objects
Non-luminous objects
Mechanical objects
Electrical objects
A tube light is a
Luminous object
Non-luminous object
Mechanical object
Solar object
What are non-luminous objects?
Objects that gives off light
Objects that does not emits light
Objects that has its own energy
Objects that reflects
How can we avoid noise?
By talking loudly
By playing loud music
By speaking softly
By firing crackers