Colors and Mirrors
what lens type bends light towards each other? (concave or convex)
Convex
the material in which a wave travels is known as....
Medium
What is the amount of energy that passes through a square meter of space in one second?
Intensity
is magnetic and electric force a contact force or non contact force?
Non contact
Echolocation
What lens type bends light rays away from each other? (concave or convex)
Concave
what is the proper name for an earthquake wave?
Seismic Wave
What is a persons perception of lights intensity?
Brightness
Define Absorption (of light and waves)
No particles flow through the material, all are absorbed
What is the low pressure region of a sound wave known as?
Rarefaction
what color has the longest wavelength?
Red
A wave transfers energy. What does it not transfer?
Matter
What shape is Earth's orbit around the sun?
Elliptical
What material lets NO light through?
Opaque
What is the are of a magnet where all atoms point in the same direction?
Magnetic Domain
What color has the shortest wavelength?
Violet
What two things does the amplitude of a wave depend on?
Medium and distance between particles
What is the speed of light in a vacuum?
300,000km/s
What are the 3 small bones in the ear?
Malleus, Incus, & Stapes
What is one material a magnet would NOT be attracted to?
Wood, Plastic, Paper
What is defined as light rays 'coming together'?
Converge
Compression
What unit measures wavelength of light?
What 2 things does electric force depend on?
total amount of electric charge and distance between the objects
What is the unit for frequency?
Hertz (hZ)