Definitions
air
true or false
how
100
what is an observation?
obtaining information about an experiment using 5 scenes
100
what invisible gases can you not smell, taste, or tough?
nitrogen, oxygen, argon, and carbon dioxide
100

true or false, the lower the flow of air the lower the pressure? 

false, the faster the flow of air, the lower the pressure.

100
how does a bird get thrust?
birds flap there wings to get thrust
200
what is a prediction?
what you think is going to happen
200
what are some types of flying birds?
crow, sparrow, pigeon, quail, geese, woodpecker, seagulls
200
true or false, there are other animals that gild other than flying squirrels?
true, flying squirrels

flying fish

flying snakes

flying frogs

200
how do birds steer??
birds steer with there tail
300
what is a hypothesis?
an explanation based on why something will happen based on the previous knowledge
300
what kind of insects can fly?
bee, fly, dragonfly, moth, butterfly, grass hopper
300
true or false, there is more space on the bottom than the top? 
true
300
the bones of a bird have many ___ bones.
the bones of a bird have many hollow bones.
400
 what are variables?
something in an experiment you can change. you can change one variable at a time
400
faster air ___ pressure.
faster air lower pressure.
500
what is an inference?
after you have done an experiment an explanation of why something happened.
500
wings for birds:

the front pair of legs is modified into wings covered with___.

wings for birds:

the front pair of legs are modified into wings covered with feathers.

M
e
n
u