A vibration you usually hear with your ears
Sound
An external or internal feature that helps a living thing survive
Adaptation
The ability to do work or cause change
Energy
When tiny bits of rock are moved
Erosion
Liquid rock that has erupted from a volcano
Lava
A system of words, letters, or symbols that stand for other words, letters, or symbols
Code
The process of a plant making its own food
Photosynthesis
Two main types of energy
Potential and Kinetic
Three forces that can weather and erode rocks
Water, wind, ice, gravity, ice wedging, root wedging
The way sounds travel in an up-and-down pattern
Sound wave
Two ways seeds can be dispersed
Wind, animals, or fire
A material that electrical energy easily travels through
Conductor
The remains of a plant or animal that lived a very long time ago
Fossils
Liquid rock that is under the Earth's surface
Magma
pattern
Three things a plant needs to make its own food
Water, light energy, carbon dioxide
A path where electricity can flow through
Circuit
When a root grows in the crack of a rock and breaks the rock
Root wedging
The name for the area in the Pacific where there is an abundance of volcanic activity
The Ring of Fire
The distance between two points of a sound wave
Wavelength
The gas a plant releases after it has created its own food
Oxygen
The Law of Conservation or the First Law of Thermodynamics
Energy cannot be created or destroyed it can only be transferred or transformed
A type of rock that will often contain fossils
Sedimentary rock
Type of non-explosive volcano that is dome-shaped and has thin, runny lava
Shield volcano