Light and Sound 1
This word means back and forth movements.
What is a vibration?
They are a form of energy.
What is light and sound?
Wax paper, frosted glass and tissue paper are examples of what kind of material? Transparent, translucent or opaque
What is translucent?
Water
To protect our skin from harmful light rays.
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?
8
Candles, lamps, flashlight are examples of this type of light.
What are artificial forms of light?
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?
What are pretty glass objects called that we used in class to see rainbows?
The sun, glow worms and fire flies give us this type of light.
What are natural forms of light
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?
How did we reflect light with mirrors?
Sound travels through the air as this
What are sound waves -vibrations?
Does light speed up or slow down as it hits water?
Light slows down
It is the colour that absorbs all light waves and heat and should not be worn in the summer.
What is black?
What is white light made of?