Sound
What is sound?
Answer: Sound is a type of energy made by vibrations.
What is light?
Answer: Light is a form of energy that allows us to see.
What are vibrations?
Answer: Vibrations are quick movements back and forth.
How do we communicate with sound?
Answer: We communicate with sound by talking, singing, or using instruments.
What is an investigation?
Answer: An investigation is a careful study to learn more about something.
How do we produce sound?
Answer: We produce sound when an object vibrates.
How does light travel?
Answer: Light travels in straight lines and can move through empty space.
How do vibrations create sound?
Answer: Vibrations create sound waves that travel through the air to our ears.
What is a signal?
Answer: A signal is a sound or light that conveys information.
What objects can produce sound?
Answer: Objects like musical instruments, bells, or even our voice can produce sound.
What affects the pitch of sound?
Answer: The pitch of sound is affected by the speed or strength of vibrations.
What can light be used for?
Answer: Light can be used for communication, illumination, and to see things.
What is amplitude?
Answer: Amplitude is the height of a sound wave, which affects the volume.
How can light communicate?
Answer: Light can communicate through signals like traffic lights or flashlights.
How can we test sound?
Answer: We can test sound by changing the strength of vibrations and observing the changes.
How can sound travel?
Answer: Sound travels through air, water, and solids as vibrations
How can we change light?
Answer: We can change light by using filters, lenses, or by blocking it.
What happens when vibrations slow?
Answer: When vibrations slow, the sound becomes lower in pitch.
What is Morse code?
Answer: Morse code is a method of sending messages using dots and dashes of light or sound.
What is a hypothesis?
Answer: A hypothesis is a guess or prediction about what will happen in an experiment
What is vibration?
Answer: Vibration is a rapid back-and-forth movement that creates sound.
What is reflection?
Answer: Reflection is when light bounces off a surface
How do we measure vibrations?
Answer: We measure vibrations using tools like a sound level meter.
How can we improve communication?
Answer: We can improve communication by using clearer signals and reducing noise.
How do we record results?
Answer: We record results by writing down observations and measurements during an investigation.