EARTH FEATURES & MAPS
Long chains of mountains.
What are mountain ranges?
Remains or traces of living things from long ago.
What are fossils?
Turning information into a signal.
What is encoding?
What energy do all moving objects have?
Kinetic energy
Deep parts of the ocean floor.
What are ocean trenches?
A species that no longer exists.
What is extinct?
Sending a signal through a medium.
What is transmission?
What happens to water when the Sun heats it?
Evaporation
Places where earthquakes often occur.
What are plate boundaries?
Fossils help scientists learn what ancient animals did this.
What they ate
Understanding a message.
What is decoding?
What tool helps scientists see patterns over time?
Graphs or maps
Openings where magma comes out.
What are volcanoes?
Fossils can show what past environments were like, such as this.
Wet, dry, forest, ocean, etc.
A system that sends and receives messages.
What is a communication system?
What do scientists use fossils for?
To learn about past life and environments
What pattern do scientists see on maps of earthquakes and volcanoes?
They form lines near plate boundaries
How fossils help us compare past life to today.
They show similarities and differences between extinct and living organisms
Name 2 types of signals used in communication systems.
Sound waves, light signals, radio waves, electrical signals
Why do engineers test and improve devices?
To make them work better and more efficiently