Secret Code
Whisper
Outer Space
Highs and Lows
This and That
100

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

What is code?

100

Vibrations that you can usually hear with your ears.

What is sound?

100

The invisible gas that surrounds the Earth.

What is air? 

100

The height of a wave.

What is amplitude? 

100

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

What is an inventor?

200

To exchange information

What is to communicate? 

200

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

What is an echo?

200

A part of the ear that vibrates to help us hear sounds.

What is an eardrum?

200

A measure of how many waves go by you in a set amount of time.

What is frequency?

200

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

What is a Pattern?

300

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

What is to decode?
300

A test used to discover new information about a question.

What is an experiment?

300

An empty space without any air.

What is vacuum?

300

A device that can show what sound waves look like.

What is an oscilloscope?

300

To move from one place to another.

What is a transfer?

400

A form of energy, such as what usually powers light bulbs.

What is electrical energy?

400

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?

400

Would you hear a scream in outerspace?

What is no?

400

How high or how low a sound is when you hear it?

What is pitch?

400

How loud a sound is, measured by the height of a sound wave.

What is volume?

500

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

What is engineer?

500

A quick movement back and forth?

What is a vibration?

500

Would you use a visual code or a sound code to communicate with someone across a noisy room?

What is a visual code?

500

The way sounds travel in an up-and-down pattern.

What is a sound wave? 

500

The distance between two points of a wave.

What is a wavelength?