Light and Sound Class 5

An object that allows all the light to pass through it

• translucent

• opaque

• transparent

• None

An object which gives out light is called ________________ object.

A ____________shadow is formed by your notebook because it is _____________

• light, translucent

• dark, translucent

• dark, opaque

• dark, transparent

Bouncing of light from an object is called __________

Choose the correct option

• light can bend around an object

• light needs a medium to travel

• when an object blocks the light, a shadow is formed

• All of the above

If the sun is towards your left, your shadow will be formed towards your

• left

• right

• back

• shadow will not be formed

Sound can travel through

• a) Air

• b) vacuum

• c) solids

• d) both a) and c)

Growing more trees can increase noise pollution.

• True

• False

Which of the following objects is opaque

• wood

• glass

• frosted glass

• air

Which of the following objects is transparent

• Glass

• Brick

• Mirror

• Sand