Sound travel

Sound vibrations travel in a ......................... pattern.

Sound waves from the source spread out in all...........................

Sound travels up to 5 times ...................under water.

Not all materials .......................sound in the same way.

Sound needs a ............................to travel through.

In a ....................... there is no material or air for vibrations to travel through.

The astronaut can communicate with the scientist in the spaceship using a .................

Sound travel fastest through solids because the particles are very ................... to one another.

We can make sound .................... and travels further using a tube.

The vibrations travel in just ............. direction through the tube.