Front

Five students are playing straw flutes. They want to play a song, but their flutes all make the same note. How can they change the pitch of their flute?

Back

They need to cut the straws to make them different lengths.

Front

Sound travels fastest through which medium? Options: the ocean, a steel pipe, in a vacuum (a place with no air or matter), in the air

Back

a steel pipe

Front

When light bounces off a smooth, shiny surface, what process has occurred?

Back

reflection

Front

Sophia shouts in the school courtyard and hears an echo. What is causing the echo?

Back

sound is reflected off the surface

Front

Which property of sound varies from glass to glass when a teacher fills five glasses with different amounts of water and taps each glass?

Back

the pitch of the sound

Front

The picture shows a stringed instrument with strings of three different thicknesses. Which statement is true?

Back

String X will vibrate the fastest and produce the highest tone.

Front

What caused the difference in the high pitch and low pitch notes when one student played high pitch notes and then low pitch notes on a guitar?

Back

the vibrations of the guitar strings

Front

Why does a yellow banana appear to look yellow?

Back

The banana absorbs all other colors and only reflects yellow light

Front

You see yourself in a mirror because light waves are

Back

reflected back at you

Front

The bending of light as it passes from one material to another is called___________. An example is when light passes from air to the glass of water.

Back

Refraction