Science L2 4th Qrt Flashcards
What gives light and heat?
The Sun
What are forms of energy that are necessary for life?
Light and heat
What is the visible form of energy?
Light
What are also forms of radiant energy?
X-rays
They also travel as waves, but unlike light, they are invisible. What is this?
X-rays
What is part of the electromagnetic spectrum?
Light
What is made up of all forms of radiant energy?
Electromagnetic spectrum
What is a form of energy?
Heat
You cannot see this energy, but you can see how it affects matter.
Heat
What are some types of materials in which heat moves quickly through?
Conductors
What is an example of a good conductor?
Metal
What is a material that does not allow heat to travel through it easily?
Insulator
What are examples of insulators?
Cotton, paper, and wood
What is the most useful form of energy?
Electrical energy
What is a form of energy that exists when matter vibrates?
Sound
What is the back-and-forth motion of an object?
Vibration
What is the only form of energy that can be heard?
Sound energy
What travels in the form of waves?
Sound
What is the energy connected with motion called?
Mechanical energy
What is therefore dependent on speed?
Mechanical energy
What is also dependent on height?
Mechanical energy
What is the energy that binds atoms or ions together?
Chemical energy
During this process, stored ________ ______ is released.
Chemical energy
What holds atoms together?
Chemical bonds
What are formed when atoms are attracted to other atoms?
Chemical bonds
________ ______ is stored in chemical bonds.
Chemical energy
What needs chemical energy?
Automobile engines
What is the production of food through light energy that occurs in a process?
Photosynthesis
What is an example of an energy transformation?
Burning fossil fuels transforms chemical energy into heat.
