Lesson 1
Name 3 things that energy can change.
What is motion, color, shape, temperature, etc.?
The vibrations of your vocal cords travel outward through the air as these.
What is sound waves?
Rainbows form because ______ ________ in the air disperse white light into its colors.
What is water droplets?
Bending of light.
What is refraction?
Ability to do work or cause change.
Energy cannot be made or destroyed but it can do this.
What is change form?
The greater frequency of the sound wave, the higher the _________ .
What is pitch?
Microscopes, cameras and prescription eyeglasses __________ light.
What is refract?
Describes materials that do not let any light pass through them.
What is opaque?
A wave of vibrations that spreads from its source.
What is sound energy?
Potential energy is also called this.
What is stored energy?
Three things that sound can travel through.
What is solids, liquids and gases?
When all the colors of visible lights are seen, the result is this.
What is white light?
The back-and-forth motion of an object.
What is vibration?
Light bouncing off an object.
What is reflection?
Name 2 types of potential energy.
What is gravitational and elastic?
The areas where particles are very close together.
What are compressions?
The full range of electromagnetic wavelengths is called this.
What is electromagnetic spectrum?
Describes materials that let nearly all light pass through them.
What is transparent?
Energy due to motion.
What is kinetic energy?
These energies can be present in an object at the same time.
What is kinetic and potential?
The pitch on a thick guitar string is lower than a thin string because of this.
What is vibrates slower?
Warm objects produce more of these than cold objects.
What is infrared waves?
Energy that is not causing any changes now but could cause changes in the future.
What is potential energy?
Describes materials that let some light pass through, but not all.
What is translucent?