Cells
The control center of the cell that also contains DNA
Nucleus
Heat transfer by direct touch
Conduction
The material (solid, liquid, or gas) through which a wave travels
Medium
The law that states older rock strata will be at the bottom of a formation and the youngest strata will be on top
Law of Superposition
225 million years ago: “SUPER” continent made of all the current continents together
Pangaea
Large bodies of air that move across land bringing in weather
Air masses
The body system that sends and receives messages and controls the functions of all the other systems
Nervous system
This flexible barrier controls what enters and exits a cell
Cell membrane
Heat transfer through circulation of fluids
Convection
The distance from a point on one wave to an identical point on the next
Wavelength
Type of rock formed when sediment is pressed and cemented together
Sedimentary
Crust is destroyed and mountains can be formed as tectonic plates come together here
Convergent boundary
High pressure systems bring _____ weather and low pressure systems bring _______ weather
Fair/good, poor/bad
The body system, powered by a strong muscle, that transports needed nutrients to all other systems
Circulatory system
Powerhouse of the cell that converts food into energy
Mitochondria
Heat transfer by waves traveling through space
Radiation
Light waves bouncing off a surface
Reflection
Type of rock formed by high pressure and temperature
Metamorphic
Crust is neither created nor destroyed, but you will find lots of earthquakes here as plates slide past each other
Transform boundary
Name the three types of global winds.
Polar easterlies, westerlies, trade winds
These two body systems work together to break down food, distribute nutrients, and get rid of wastes
The name of the jelly-like substance that holds cell organelles in place
Cytoplasm
The average kinetic energy of all the particles in a material
Temperature
Light waves bending or changing direction
Refraction
Type of rock formed by cooling of magma or lava
Igneous
As plates move apart, landforms such as the mid-ocean ridge can be created here
Divergent boundary
Temperature and salinity control the _________ of seawater
Density
These two systems work together to give the body structure and help it move
Skeletal & muscular
These two organelles are only found in plant cells
Cell wall & chloroplasts
Styrofoam is a good _______ and metal is a good __________
Insulator, conductor
The THREE words that describe types of light transmission
Opaque, translucent, transparent
Igneous rocks formed from magma deep underground: __________
Extrusive, intrusive
The force in the mantle that drives plate movement and seafloor spreading
Convection currents
Name the four types of weather fronts.
Name the five levels of organization in the human body starting with the smallest piece.
Cells--tissues--organs--organ systems--whole body