What are transverse waves?
Light waves that vibrate in the direction perpendicular to the direction of their motion.
What is a wavelength?
The distance between one peak and the next in a wave.
How do you determine the speed of a wave?
Multiply the wavelength of a wave by its frequency.
What properties of a particle does light have? Name one.
Travels in straight lines, has momentum, can change the direction of moving particles.
How does scattering light occur?
When light strikes an object’s surface, photons can bounce off at random angles.
What is the difference between opaque, translucent, and transparent objects?
Opaque=no light; translucent= some light, transparent= all light passes through.
What are shadows?
The dark area of blocked light behind opaque and translucent objects.
What makes a white shirt cooler on a warm day than a black shirt?
White reflects light, black absorbs it. Sunlight is warm.
What do scientists think about the speed of light?
It's constant and the maximum speed in the universe.
What is a light particle called?
A photon.
