this system carries blood and oxygen through your body
What is the circulatory system
200
group 7 period 6
What is Rhenium
200
this type of plate movement creates mountains
What is convergent
200
it takes this long to travel one light year
What is one year
200
newtons 3rd law of motion
What is every action has an equal and opposite reaction
200
this system lets you breathe
What is the respiratory system
300
electrons in tellurium
What is 52
300
this type of plate movement creates volcanos
What is subduction
300
this is a small star
What is a nebula
300
newtons 2nd law of motion
What is force=massXacceleration
300
this system gets rid of waste
What is the excretory system
400
number of protons in californium
What is 98
400
this is formed by divergent plate movement
What are mid-ocean ridges
400
in a star this as how energy is released
What is a big explosian
400
newtons 1st law of motion
What is an object in motion will stay in motion unless acted on by an unbalanced force, an object at rest will stay at rest until acted on by an unbalanced force.
400
this is made of cells
What are tissues
500
formula for neutrons in an atom
What is atomic mass-atomic number
500
this type of plate movement caused the fault at san andreas