A
Mechanical energy is energy of __________
motion
___________energy can travel through empty space.
Light
The exchange of information.
Communication
____________ energy is also called heat energy.
Thermal
What are the tiny bits called that all matter is made of?
particles
The business of carrying people from one place to another.
transportation
What does electricity need in order to travel?
circuit
A change in nature, form, or units
conversion
Energy from vibrations that you hear
sound
A series of small, fast movements back and forth or from side to side
vibrations
A material that allows heat or an electric current to flow through easily
Conductor
A relationship in which people depend on each other.
Interdependence
The pathway through which electricity flows
circuit
A sudden and violent shaking of the ground causing great destruction.
earthquake
A material that DOES NOT allow heat or an electric current to flow through easily
Insulator
List the 5 forms of energy.
Mechanical
Electrical
Light
Thermal
Sound
A storm with violent wind that starts in the ocean.
hurricane
Means wealth and success.
Prosperity
Which one is not an insulator?
plastic
wood
metal
rubber
metal
A rapidly rotating column of air that reaches from earth to the cloud.
tornado
Internet, phones, and mail are examples of American being linked by ________________.
communication
Why does heat move slowly through air and other gasses?
The particles in these gasses are far apart.
What are 3 ways heat can be produced?
friction (rubbing objects), combustion (burning objects), and chemical reactions (mixing substances).
Highways, roads, trains, ships, and buses are examples of how Americans are linked by _______
transportation
Most Americans speak the same language, so we say we are linked by ____________________
Heritage