Light and Sound
What do we call objects that do not allow light to pass through?
Opaque
What animal group do fish belong to?
Fish
What is the muscular system made of?
Muscles
What is Thomas Edison's most famous invention?
The lightbulb
What was Alexander Graham Bell's most famous invention?
The telephone
What animal group does an Eagle belong to?
Birds
What is the muscular systems job?
To help your body move
How are light and sound similar?
They both travel in waves.
They both travel through mediums (solid, liquid, gas).
Color is determined by how light is transmitted, reflected, and ____________.
Absorbed
What animal group do jaguars belong to?
Mammals
What is a voluntary muscle? Give an example!
A muscle you have to think about to move/control.
An example could be arms, legs, fingers, toes, etc!
How are light and sound different?
Light can travel through vacuums (like space).
Light travels faster than sound.
Some of the light spectrum is visible.
What is a lens?
A transparent object that light can pass through. It is used in cameras and other instruments as well as eyes.
What animal group do snakes belong to?
Reptiles
What is an involuntary muscle?
Give an example!
A muscle that moves automatically (without you thinking about it).
Examples could be your heart beating, eyes blinking, lungs breathing, etc!
The frequency of sound vibrations affects what part of the sound?
The pitch (how high or low it sounds)
What is refraction?
The appearance of light bending when it goes from one medium to another.
What animal group do frogs belong to?
Amphibians
What 3 body parts produce your voice?
Diaphragm, trachea, and larynx
Why is light important?
It helps us see.
It helps us feel heat.
It helps plants grow.