Light Review 1
*Teacher Checked*
Why can I see through a window better than sheer curtains?
Windows are transparent. Sheer curtains are translucent. Windows allow more light to pass through them.
Sound is produced by what?
Vibration of matter
What type of energy is sound? Think: It's caused by the movement of objects.
Mechanical Energy
If I wear a black hoodie, what should I expect to feel once the sun rises compared to wearing a light blue hoodie? Why?
I would feel warmer because darker colors absorb more sunlight which turns into heat.
When we went to the science museum and used the microscopes, why did the rocks appear larger than they are?
Triangles, xylophones, maracas, and drums could all be categorized as what type of instrument? How does that type of instrument make sound?
Percussion - By striking, scraping, or shaking.
Place the following in order by how fast sound travels through them with the slowest being first and the fastest being last:
The water we drink
The air we breathe
The food we eat
The air we breathe, the water we drink, the food we eat
Yellow and green
Place the following in order by the amount of light that passes through them with the most amount of light to the least amount of light:
Sunglasses
Chromebook
Water bottle
Water bottle, sunglasses, Chromebook
Transparent, Translucent, Opaque
If the Moon exploded, what would we hear and why?
We would hear nothing because sound does not travel through empty space
What happens to my vocal chords if I were to sing a higher note when compared to singing a lower note? Why?
The vocal chords would vibrate faster because faster vibrations lead to higher frequency/pitch
What is produced when you combine all colors of the visible spectrum together?
White light
When I look into a body of water, I can see under the water but also see myself. What two things are happening here?
Light travels much faster than sound
Why does sound travel the slowest through gases?
The particles are more spread apart and moving faster
Even though the Sun is a sphere, why does it look flat during a sunset?
The atmosphere is refracting (bending) the Sun
If I'm looking in a mirror, I see myself. When I turn off the lights, I can't see myself anymore. Why do both of these things happen?
1. You see yourself because the light is reflecting off the mirror.
2. You can't see yourself anymore because there is no light to reflect off the mirror.
Flute, saxophone, and clarinet are examples of what group of instruments and where did the group of instruments get its name from?
Woodwind - They were originally made from wood
Which of the following instruments would produce a higher pitch and why?
A flute or a tuba
A flute because it's smaller