Mystery Science Unit 4: Waves of Sound

What is a system of words, letters, or other symbols that stand for other words, letters, or symbols?

• Code

• Cipher

• Alphabet

• Language

What does it mean to exchange information?

• Sharing data between parties

• Keeping information secret

• Ignoring communication

• Deleting data

What is the process of taking a code and changing it to a different form that can be understood?

• Compilation

• Execution

• Interpretation

• Encryption

What is a form of energy, such as what usually powers light bulbs?

• a form of energy

• a type of food

• a kind of animal

• a piece of furniture

Who is a person that uses science to come up with solutions to problems?

• A scientist.

• A musician.

• A chef.

• A painter.

Who is someone that comes up with something new, often an object or a way of doing something?

• an innovator

• a follower

• a copier

• a replicator

What is something that happens again and again and again in a way that can be predicted?

• Something that happens again and again in a predictable way is often referred to as a pattern or a cycle.

• A random event.

• An unexpected occurrence.

• A unique incident.

What are vibrations that you can usually hear with your ears?

• Vibrations that can be heard with the ears are typically sound waves.

• Vibrations that can be heard with the ears are typically light waves.

• Vibrations that can be heard with the ears are typically radio waves.

• Vibrations that can be heard with the ears are typically microwaves.

What does it mean to move from one place to another?

• Change location

• Stay still

• Remain stationary

• Be immobile

What is a sound that bounces off a surface and travels back to someone's ears?

• Echo

• Reverb

• Distortion

• Feedback