Science Chapter 9 Lesson 3 & 4 Flashcards
What is another source of light and heat?
Electricity
How does light refract?
Light refracts when it passes through different materials at different speeds.
Thermal Energy
Is the kinetic energy and potential energy of particles in matter.
What is light made up of?
Light is made up of different colors.
What are some objects that reflect light?
Rocks and lakes.
What materials refract light?
Water and air are two materials that refract light.
Light Energy
Energy that we can see.
What are the different ways that light can travel or change?
The path of light can change in different ways. light can be reflected, refracted, or absorbed.
when energy changes form
This results in energy given off in the form of heat.
How does light travel?
Travels In all directions from its source in straight lines until it strikes an object or travels from one medium to another.
Refract
Describes how light bends
Why do we see colors?
An object absorbs some colors and reflects the expressed color.
Heat
The transfer of energy from one place to another.
Burning
A chemical change that can produce light and heat.
Reflect
When light bounces off the object so you can see it
