Abeka 5Th Science Ch 1-3

Front 1

opaque

Back 1

does not allow light to pass through

Front 2

transparent

Back 2

allows light to pass through

Front 3

translucent

Back 3

allows light to pass through but you cannot see objects clearly

Front 4

light travels in

Back 4

a straight line

Front 5

white light

Back 5

mixture of colors

Front 6

spectrum

Back 6

a series of colored bands created by sunlight

Front 7

black

Back 7

all colors absorbed

Front 8

refraction

Back 8

bending of light

Front 9

blue

Back 9

al colors absorbed except blue

Front 10

Edison

Back 10

invented the light bulb

Front 11

cornea

Back 11

transparent layer covering the eyeball

Front 12

pupil

Back 12

opening that allows light to pass through in the eye

Front 13

iris

Back 13

muscle that regulates the size of the pupil

Front 14

retina

Back 14

light sensitive lining covering the inside of the eyeball

Front 15

lens

Back 15

behind the pupil that refracts and focuses the light

Front 16

optic nerve

Back 16

bundle of fibers that carries the message of what the eye has seen

Front 17

binocular vision

Back 17

both eyes work together to produce an image

Front 18

monocular vision

Back 18

eyes work separately from each other to produce two images

Front 19

tapetum

Back 19

extra layer of reflecting cells behind the retina

Front 20

red, orange yellow, green, blue, violet

Back 20

colors of the spectrum

Front 21

convex mirror

Back 21

bulges towards the viewer to make things look smaller

Front 22

concave mirror

Back 22

bulges away from the viewer to make things look bigger

Front 23

convex lens

Back 23

refracts light rays and brings them into focus

Front 24

concave lens

Back 24

scatters light rays

Front 25

concave

Back 25

mirror used by Sir Isaac Newton in his reflecting telescope

Front 26

migration

Back 26

move rom place to place with the changing of seasons

Front 27

camouflage

Back 27

blending in with the surroundings

Front 28

beetle

Back 28

straight line down abdomen and chewing mouth parts

Front 29

nymph

Back 29

young insect that looks like the adult

Front 30

drone

Back 30

male bee

Front 31

carnivore

Back 31

meat eater

Front 32

ruminants

Back 32

chew the cud

Front 33

rodent

Back 33

large group of mammals

Front 34

blubber

Back 34

layer of fat

Front 35

nocturnal

Back 35

active at night

Front 36

echidna and platypus

Back 36

egg laying mammals

Front 37

musk

Back 37

produced by skunks

Front 38

chimpanzees, gorillas, and monkeys

Back 38

primates

Front 39

extinct

Back 39

no longer exist