Forms of Energy
The sun gives off which two types of energy?
Light and Heat/Thermal
What is the energy of motion?
Kinetic
Where can sound not travel?
empty space
A prism can separate white light but what natural element also does the same thing.
raindrops
Thermal energy always flows in which direction?
from warm to cool
Energy is the ability to do what two things?
cause motion and create change
Gasoline is a good example of which type of energy?
potentional
compressions
Light always travels ________.
in a straight line
A bird sitting on a nest is good example of which type of heat transfer?
conduction
Which type of energy is due to random moving particles of matter?
Thermal
The amount of kinetic energy depends on which two things?
Speed and mass
Sound travels fastest through which material.
metal
Name the colors of a rainbow in order.
Red, orange, yellow, blue, green, violet
How an oven cooks is a good example of which type of energy transfer?
convection
When you turn on a TV, what forms of energy are you using?
Electrical, Light and Sound
At the top of a roller coaster, before the carts fall, what type of energy does the roller coaster have?
potential energy
If you change the frequency of sound, you also change which other property
Wavelength
What three things can light do when it strikes an object?
Reflect, refract and absorp
Most heat radiation comes from which 2 sources.
Sun and fire
If energy can't be created or destroyed, what can it do?
transfer from form to another
What are the three types of potential energy?
Gravitational, Chemical and Elastic
Pitch is related to _____ like volume is related to ______.
Frequency Amplitude
On a hot day, if you want to stay cool, should you wear a white shirt or a black shirt and why?
White because white reflects light away.
Name three other ways to get heat energy and are not the main three.
Fossil fuels, light and friction