This word means back and forth movements.
What is a vibration?
They are the 2 forms of energy we learned about this year
What are light and sound?
Wax paper, frosted glass and tissue paper are examples of what kind of material? Transparent, translucent or opaque
What is translucent?
The best color to wear to reflect the sun's light
What is white?
What is a decibel?
This is the direction that light travels
What is a straight line
Plastic wrap, glass, and water are examples of what kind of material? Transparent, translucent or opaque
What is transparent?
Sound travels slowest through this medium (solid, liquid, gas)
What is gas?
These go in your ears and prevent sound from getting through.
What are earplugs?
It means the bouncing of light from a surface
What is a reflection
Plants, your desk, pencil and YOU are what type of material? Transparent, translucent or opaque
What is opaque?
Light travels slowest through this medium (solid, liquid, or gas)
What is solid?
This word means how high or low a sound is.
What is pitch?
This word describes the bending of light as it moves from one material through another
What is a refraction?
I appear when light is refracted through the waterdrops or raindrops.
What is a rainbow?
An explanation to why we cannot hear sound in a vacuum
What is an absence of particles and therefore no vibrations?
Sound and light travel through the air as this
What are waves?
What sound does as it is transmitted through a solid surface instead of air
What is speeds up?
It is the colour that absorbs all light waves and heat and should not be worn in the summer.
What is black?
The reason we see the color green.
Green light is reflected and all the other colors are absorbed.