Waves of Sound Lessons 1 & 2

Front

A system of words, letters, or symbols that stand for other words, letters, or symbols:

Back

code

Front

To exchange information:

Back

communicate

Front

A type of energy that usually powers light bulbs:

Back

electrical

Front

To take a code and change it to a different form that can be understood:

Back

decode

Front

A person who uses science to come up with solutions to problems:

Back

engineer

Front

Someone who comes up with something new, often an object or a way of doing something:

Back

inventor

Front

Something that happens again and again in a way that can be predicted:

Back

pattern

Front

To move from one place to another

Back

transfer

Front

A sound that bounces off a surface and travels back to someone's ears:

Back

echo

Front

A test used to discover new information about a question:

Back

experiment