Light and Sound

An object that allows all the light to pass through it

• translucent

• opaque

• transparent

• None

Tags

NGSS.MS-PS4-2

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 __________

Tags

NGSS.MS-PS4-2

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

Tags

NGSS.5-ESS1-2

Highness or lowness of sound is called __________

Sound can travel through

• a) Air

• b) vacuum

• c) solids

• d) both a) and c)

Tags

NGSS.MS-PS4-2

Musical instruments produce sound due to ___________

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

A lion's roar is a ____________ pitch sound.

• low

• high