Secret Code
A system of words, letters, or other symbols that stand for other words, letters, or symbols
What is code?
Vibrations that you can usually hear with your ears.
What is sound?
The invisible gas that surrounds the Earth.
What is air?
The height of a wave.
What is amplitude?
Someone who comes up with something new, often an object or a way of doing something.
What is an inventor?
To exchange information
What is to communicate?
A sound that bounces off a surface and travels back to someone's ears.
What is an echo?
A part of the ear that vibrates to help us hear sounds.
What is an eardrum?
A measure of how many waves go by you in a set amount of time.
What is frequency?
Something that happens again and again and again in a way that can be predicted
What is a Pattern?
To take a code and change it to a different form that can be understood
A test used to discover new information about a question.
What is an experiment?
An empty space without any air.
What is vacuum?
A device that can show what sound waves look like.
What is an oscilloscope?
To move from one place to another.
What is a transfer?
A form of energy, such as what usually powers light bulbs.
What is electrical energy?
A pretend version of something that scientists use when the real thing is too big, small, or complicated to work with.
What is a model?
Would you hear a scream in outerspace?
What is no?
How high or how low a sound is when you hear it?
What is pitch?
How loud a sound is, measured by the height of a sound wave.
What is volume?
A person who uses science to come up with solutions to problems.
What is engineer?
A quick movement back and forth?
What is a vibration?
Would you use a visual code or a sound code to communicate with someone across a noisy room?
What is a visual code?
The way sounds travel in an up-and-down pattern.
What is a sound wave?
The distance between two points of a wave.
What is a wavelength?