What is one strucsher of the cardiovascular system?
hearty,blood,or vessels
100
warm molicules + cold moliculs equals
mediam molicules
100
Does weather move?
yes
100
What is gravity...
a)a force that stops movment completly
b)a force that ocers when two objects rub together an aposes motion
c)a force that pulls thing to the center of the earth
d)a force that slows all things down in air
c)
200
There is grass,snakes,and mushrooms.What is a decomposer?
mushrooms
200
If two brown dominate jens are passed the baby will have
brown eyes
200
"cold" is realy
lack of heat
200
low preser causes ....... conditions
warm and damp
200
Objects in motion stay in motion in a.......untill acted on by an out side force.
strat line
300
There is a tree,bird,and a snake.What is the producer?
tree
300
Explain what your digestive system does with food.
breaks food down and gets the nutrients
300
heat makes moleicules ...... and ..........
move faster,expand
300
warm air is .........than cooled air
less dense
300
All motion is caused by.....
unbalanced forces.
400
Where is it cold at night and hot in the day?
desert
400
the main thing the respiratory lets you do is....
breath
400
What is radiation?
heat from a light sorce
400
all winds are created by
changes in density brought about bytempature
400
Inertia means to.....
resist a chang
500
Name all the ecosystems...
The fish eat frogs,frogs eat bugs,bugs eat grass.What is the producer?