4th Grade Light and Sound Flashcard

Front

How does light travel?

Back

in a straight line

Front

What is wax paper?

Back

translucent

Front

How does sound travel?

Back

waves

Front

When light travels to a different medium it will ______

Back

refract

Front

What does R.O.Y G. B.I.V. stand for?

Back

Red Orange Yellow Green Blue Indigo Violet

Front

How does sound travel?

Back

Sound travels through vibrations and waves.

Front

The vocal chords of a lion vibrate at a slower rate when it roars. What BEST describes the pitch of the lion's roar?

Back

Low Pitch

Front

What is required for sound?

Back

vibrations

Front

Which object is least likely to produce a loud sound when knocked on? Options: a piece of glass, a piece of cotton, a piece of wood, a piece of metal.

Back

a piece of cotton

Front

Tony plucks two strings on a guitar. He sees one string is vibrating much faster than the other. What is MOST LIKELY true?

Back

The string vibrating faster produces a higher pitch.