Sound and Hearing

We ---------- see sound.

• can

• cannot

To and fro movement is called -------------.

• reflection

• vibration

• opaque

Sound is produced when an object moves to and fro very fast.

• true

• false

Tags

NGSS.MS-PS4-1

Sound travels ----------- in all directions.

• inwards

• outwards

We can hear bubbling sound when we swim under water because sound can travel through --------.

• air

• water

• solids

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

We hear sound when sound reaches to our -----------.

• eyes

• ears

• nose

• skin

Tags

NGSS.MS-LS1-8

When a string of a guitar is pulled and let go, ----------- is produced.

• sound

• light

• shadow

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

We can hear our friends speaking because sound can travel through -----------.

• air

• water

• solids

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

We can hear someone outside knocking on the door because sound can travel through ----------.

• air

• water

• solids

Tags

NGSS.4-PS3-2

The moon is the silent world because there is no ---------- on the moon.

• air

• trees

• people