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Little Explorers Picture Dictionary Organized by the Sound at the Beginning of the Word

long a

b

hard c + k

ch

d

long e

f+ph

hard g

h

long i

j + soft g

l

long o

short o

p

s + soft c

sh

t

th

long u

v

y

short a

short e

pl

sk

sl

sp

st

sph

short u

w

air

aw

bl

cl

cr

qu

dr

eer

fl

gl

short i

m

or

ow

pr

skr

sm

spl

str

sw

shr

tr

thr

ur

wh

z

ar

br

fr

gr

n

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Words that Start with the "O" Sound

oar An oar is used to row a boat.

oatmeal Oatmeal is a cereal.

obelisk An obelisk is a tall, four-sided tower topped with a pyramid.

oboe The oboe is a woodwind instrument with a double reed.

observatory An observatory is place where people observe the skies, using a device like a telescope.

obtuse angle An obtuse angle is greater than ninety degrees.

ocean An ocean is a large body of salt water that surrounds a continent. Oceans cover more the two-thirds of the Earth's surface

ocelot Ocelots are wild cats from rainforests and grasslands in the Americas.

octagon An octagon is an eight-sided figure. Stop signs are octagons.

octahedron An octahedron is an eight-sided geometric solid.

October October is the tenth month of the year.

octopus The octopus is an ocean animal (a cephalopod) that has eight arms and lives on the sea floor. The plural of octopus is octopuses.

1, 3, 5, 7, 9, 11, ... odd number An odd number is not divisible by two.

ogre Ogres are ugly, scary and make-believe.

Ohio Ohio is a state in the United States of America. Its capital is Columbus.

oil Oil is a greasy liquid.

oilcan An oilcan is a container for oil.

oil painting An oil painting is a picture made using oil paints.

okapi The Okapi is a nocturnal, giraffe-like mammal from African rainforests.

Oklahoma Oklahoma is a state in the United States of America. Its capital is Oklahoma City.

old When someone or something is old, it has been around for a long, long time.

old English sheepdog The old English sheepdog is an affectionate, long-haired dog that was originally bred in Great Britain.

olive An olive is an oily fruit that grows on an evergreen tree.

Olympics The Olympic Games began over 2700 years ago in ancient Greece.

omelet An omelet is a dish made from eggs.

omnivore An omnivore is an animal that eats plants and meat. People are omnivores

on The vase is on the table.

one One is a small number.

1/2 one half When something is divided into two equal parts, each of these two parts is one half of the original object.

onion Onions are sharp tasting vegetables.

open Something that is open is not shut. The door is open.

opossum The Virginia opossum is the only marsupial from North America.

opposites Opposites are things that are very, very different from each other. Some examples of opposites are: big and small, up and down, tall and short, left and right.

orange Orange is a color. You can mix red and yellow paint to get orange.

orange Oranges are sweet, juicy fruit.

orange juice Orange juice is made from oranges.

orangutan Orangutans are large, tree-dwelling apes from rainforests in southeast Asia.

orb A ball-shaped object is an orb.

orbit The Moon orbits the Earth. The Earth orbits the Sun.

orb weaver The orb weaver is a type of spider that builds a loosely-woven web.

orca Orcas are also known as killer whales. An orca eats hundreds of pounds of fish and marine mammals every day.

orchid Orchids are colorful flowers that live in warm areas.

Oregon Oregon is a state in the northwestern United States of America. Its capital is Salem.

origami Origami is the art of folding paper into beautiful shapes.

oriole The oriole is a black and orange bird that eats fruit and nectar. It builds a hanging nest.

Ornithomimus Ornithomimus was an ostrich-like dinosaur.

oropendola The crested oropendola is a tropical black bird that makes long, pendulous nests.

oryx Oryx are long-horned antelopes from dry areas in Africa and Asia.

ostrich The ostrich is the largest bird. It can't fly, but it runs very fast.

otter An otter is a playful aquatic mammal.

Ouranosaurus Ouranosaurus was a sail-backed, plant-eating dinosaur.

oval An oval is an egg-shaped figure.

oven Ovens get very hot. You can bake food in an oven.

oven mitt An oven mitt protects your hand when you put things in or out of an oven.

over The cloud is over the mountain.

overalls Overalls are baggy pants with shoulder straps and a piece of fabric covering the chest.

overcoat An overcoat will keep you warm when it is cold.

Oviraptor Oviraptor was a small, omnivorous dinosaur.

owl Owls are birds of prey that have large eyes and very good eyesight. Most owls hunt at night.

ox Oxen are large, hairy mammals that live in the far north.

oyster The oyster is a soft-bodied marine animal that is protected by two hard shells.

Little Explorers Picture Dictionary Organized by the Sound at the Beginning of the Word

long a

b

hard c + k

ch

d

long e

f+ph

hard g

h

long i

j + soft g

l

long o

short o

p

s + soft c

sh

t

th

long u

v

y

short a

short e

pl

sk

sl

sp

st

sph

short u

w

air

aw

bl

cl

cr

qu

dr

eer

fl

gl

short i

m

or

ow

pr

skr

sm

spl

str

sw

shr

tr

thr

ur

wh

z

ar

br

fr

gr

n

oy

r

squ

sn

spr

tw

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