Bill Nye - Birds

There are more varieties of birds in the world than there are _________________

• varieties of other animals or species.

• varieties of fish in the ocean.

• types of mammals on land.

• species of insects in the jungle.

A bird’s feathers grow directly out of a bird’s _________________

• skin

• beak

• claws

• eyes

Not all birds can _________________ .

• fly

• swim

• sing

• dance

Birds can fly because the air flowing ________________ their wings doesn’t push on them as much as the air flowing underneath their wings.

• over

• under

• beside

• through

Birds can also fly because they are very ________________ weight.

• light

• heavy

• dense

• thick

Birds use energy at about ________________ times the rate of land animals.

• 2

• 5

• 10

• 20

Tags

NGSS.MS-LS2-3

Big wings give a bird more ________________ to let it fly.

• lift

• weight

• drag

• speed

The great horned owl is the only known ________________ of skunks, aside from man.

• predator

• prey

• companion

• friend

Birds tend to have their eyes set on the ________________ of their heads.

• sides

• top

• front

• back

Birds are the only animals with ________________.

• ________________

• feathers

• scales

• fur