If you drop a book on the floor, you hear a sound. Some of the falling book’s energy of motion has changed to.................

Sound is a type of ................. energy

Sound produced by ..................... of a material.

Air is made of particles, or tiny parts, that transmit

When you plucked the rubber band you will stop the ................

In the band and cone activity the back and forth motion is called a .................

All sounds begin with ...............

A wave that transfers energy through a material and spreads outwards in all directions from a vibration is a .....................

A sound wave is made of a series of ............................... and ..........................

Regions of air that have many particles are called .................................

Regions of air that have fewer particles are called .............................

A ringing bell sends sound waves in ...........................

The substance through which waves travel is called the ..............................

Medium where sound waves can travel could be ..........................

Sound travels fastest through ...................

Sound travels slowest through ...................

In a ............................, the particles are close together, so they quickly collide.

In a ............................, the particles are far apart. Collisions are less frequent.

Sound cannot travel in places with no particles of material, such as...........................

When sound waves pass through a medium, the medium is not permanently moved, but energy moves through the medium and is transferred.

Sound waves move in ............................ waves

Sound waves move like .............................

Sound waves can also be shown as a series of ...................................

When sound hits an object, the object starts vibrating. The object is moved by the energy of the waves. an example of this is