Sound & Music
When it comes to music, what does the word “pitch” mean?
How high or low a sound is.
(True or False?) The images that are focused on your eye’s retina are upside down.
True.
Fill in the blank: Atoms join together to make __________.
molecules
What do veins and arteries carry?
Blood
In a lever, what do you call the part that doesn’t move?
The fulcrum.
Fill in the blank: Sound is a _____________ that travels in air.
vibration
Fill in the blank: In order for light to hit your eye’s retina, it must pass through the _______________ and then the lens.
cornea
Which part of an atom is negatively charged?
the electron
What does the blood in your body do?
It carries oxygen, nutrients, and wastes to and from cells.
When trying to lift something heavy with a lever, where do you put the part that doesn’t move?
Close to the heavy object
Suppose you pluck a string. Then you pinch it and pluck it again. How does the sound change?
The pitch becomes higher.
If I put an object 10 centimeters in front of a flat mirror, its image will be __________ centimeters ___________ the mirror.
10 centimeters behind the mirror.
Are atoms indivisible?
No, they contain smaller particles (protons, neutrons, electrons).
What do we call structures in the body (like the heart, stomach, or skin) that perform specific functions?
Organs.
(True or False?) A siphon will not work in space, where there is no air or gravity.
True — a siphon requires gravity.
How did Boethius’s view of sound explain why sounds get softer the farther away they are made, but their pitch doesn’t change based on their distance?
The waves spread out and lose strength (so softer), but their frequency doesn’t change (so pitch stays the same).
A beam of light shines on a flat mirror so that it makes an angle of 43 degrees. What will be the angle between the mirror and the beam that reflects off it?
43 degrees.
When you increase the temperature of an object, what happens to how its molecules move?
They move faster.
What do we call the tissues that connect skeletal muscles to the bones of the skeleton?
Tendons.
Fill in the blanks: In a steam engine, __________ energy is converted into ___________ energy.
heat (thermal) energy → mechanical energy
In which substance does light travel more quickly: air, water, or oil?
Air.
What does the term “heliocentric” mean?
Sun-centered.
What does the term “geocentric” mean?
Earth-centered.
When two muscles do opposite things to move something in the body, what do we call them?
Antagonistic pairs.
In Aristotle’s view of the universe, what moved so that the stars, sun, moon, and planets could move?
Invisible spheres.