cell and body systems
light and matter
thermal energy
plate techtonics and rock cycling
weather,climate,watercycling
100

what does the digestive system do

breaks down waste,makes nutrients

100

how does light travel 

in straight lines 

100

all the kinetic energy in and object known as

thermal energy

100

what is the place where earthquakes form

fault lines

100

violent rotating columns in the air 

tornado

200

what is this 






blood cell

200

what is opague

light cannot pass through

200

the state of matter with the lowest energy is

liquid

200

how do volcanoes form

colliding techtonic plates

200

breaks down larger rocks into smaller ones

weathering

300

what system circulates blood through the body

circulatory system

300

what is the distance from two points on two consecutive waves

wavelength

300

the state of matter with the second highest energy is

gas

300

where do most of the volcanoes  form

the ring of fire

300

which layer is the closest to earth

trophosphere

400

which system do the brain spinal cord and nerves belong to

nervous system

400

visible light is a form of what type of energy

radiant

400

the lowest possible temperature at which all molecular motions stops

absolute zero

400

the Pangaea theory

the idea that all the continents were together

400

what lines do climate zones follow

lines of latitude

500

what does the respiratory system do

brings oxygen into the body and removes carbon dioxide waste

500

what clear object can light pass through

transparent

500

the energy that flows as a result of a temperature difference is known as

heat

500

what is the layer that the plate techtonics float on

lithosphere

500

which layer is the farthest from earth

exosphere