Sound

How are sound waves of lower pitches different from sound waves of higher pitches?

• they are longer

• they are shorter

• they are closer together

• they are farther apart

Sound is made by _________

• waves

• horns

• liquids

• vibrations

A piano tuner will tighten the strings of a piano so the pitch will be

• louder

• softer

• lower

• higher

When you tap a glass filled with water, you hear a sound. What could you do to raise the pitch?

• pour some water out of the glass

• put more water in the glass

• heat the water

• cool the water

A low pitch sound wave always has _____________

• A longer wave length

• A shorter wave length

• Small amplitude

• A high volume

How do we observe sound?

• tasting

• smelling

• hearing

• speaking

Sound travels fastest through _____________

• solids

• liquids

• gases

• air

For vocal cords to produce a ___________ pitch, they must get tighter and closer together.

• loud

• soft

• high

• low

The high or low of a sound.

• vibration

• frequency

• pitch

• amplitude

Which of the following best shows how sound waves travel?

• a branch on a tree moving

• a car speeding down the road

• a baseball hit by a bat

• a pebble dropped in a bowl of water