Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..
Prev

craters


big holes in the ground

I can see the craters on the moon when I look through my telescope.


photo credit: Shutterstock

craters

climate


the usual weather in a place

The climate in the U.S. Midwest is cold and snowy in the winter.


photo credit: John Hart/Wisconsin State Journal/AP

climate

pioneers


the first people to explore or settle in a new place

Pioneers in the 1800s often traveled in covered wagons.


photo credit: Greg Ryan/Alamy

pioneers

greenhouse


a glass building used for growing and protecting plants

Vegetables grown in a greenhouse can be just as flavorful as ones grown outside.


photo credit: Shutterstock

greenhouse

radiation


a kind of energy that can be dangerous if there’s too much of it

Microwaves use small amounts of radiation to cook food.


photo credit: Shutterstock

radiation
Next
Prev

craters


big holes in the ground

I can see the craters on the moon when I look through my telescope.


photo credit: Shutterstock

craters

climate


the usual weather in a place

The climate in the U.S. Midwest is cold and snowy in the winter.


photo credit: John Hart/Wisconsin State Journal/AP

climate

pioneers


the first people to explore or settle in a new place

Pioneers in the 1800s often traveled in covered wagons.


photo credit: Greg Ryan/Alamy

pioneers

greenhouse


a glass building used for growing and protecting plants

Vegetables grown in a greenhouse can be just as flavorful as ones grown outside.


photo credit: Shutterstock

greenhouse

radiation


a kind of energy that can be dangerous if there’s too much of it

Microwaves use small amounts of radiation to cook food.


photo credit: Shutterstock

radiation
Next
Prev

craters


big holes in the ground

I can see the craters on the moon when I look through my telescope.


photo credit: Shutterstock

craters

climate


the usual weather in a place

The climate in the U.S. Midwest is cold and snowy in the winter.


photo credit: John Hart/Wisconsin State Journal/AP

climate

pioneers


the first people to explore or settle in a new place

Pioneers in the 1800s often traveled in covered wagons.


photo credit: Greg Ryan/Alamy

pioneers

greenhouse


a glass building used for growing and protecting plants

Vegetables grown in a greenhouse can be just as flavorful as ones grown outside.


photo credit: Shutterstock

greenhouse

radiation


a kind of energy that can be dangerous if there’s too much of it

Microwaves use small amounts of radiation to cook food.


photo credit: Shutterstock

radiation
Next
Problem loading video..
Problem loading video..
Problem loading video..
Prev

prowled


moved in a secret way while searching for something

The cougar prowled in the woods, hunting for its prey.


photo credit: Grambo Grambo/Getty

prowled

artifacts


objects from the past

Many ancient artifacts were found in King Tut’s tomb.


photo credit: Shutterstock

artifacts

salvaged


saved

Fatima salvaged her grade for the semester by acing her final exam.


photo credit: Masterfile RF

salvaged

glistening


bright and shiny

The moonlight was glistening on the water.


photo credit: Shutterstock

glistening

wreckage


broken parts or pieces of something

The car accident left behind a massive heap of wreckage.


photo credit: David Goldman/AP

wreckage
Next
Prev

prowled


moved in a secret way while searching for something

The cougar prowled in the woods, hunting for its prey.


photo credit: Grambo Grambo/Getty

prowled

artifacts


objects from the past

Many ancient artifacts were found in King Tut’s tomb.


photo credit: Shutterstock

artifacts

salvaged


saved

Fatima salvaged her grade for the semester by acing her final exam.


photo credit: Masterfile RF

salvaged

glistening


bright and shiny

The moonlight was glistening on the water.


photo credit: Shutterstock

glistening

wreckage


broken parts or pieces of something

The car accident left behind a massive heap of wreckage.


photo credit: David Goldman/AP

wreckage
Next
Prev

prowled


moved in a secret way while searching for something

The cougar prowled in the woods, hunting for its prey.


photo credit: Grambo Grambo/Getty

prowled

artifacts


objects from the past

Many ancient artifacts were found in King Tut’s tomb.


photo credit: Shutterstock

artifacts

salvaged


saved

Fatima salvaged her grade for the semester by acing her final exam.


photo credit: Masterfile RF

salvaged

glistening


bright and shiny

The moonlight was glistening on the water.


photo credit: Shutterstock

glistening

wreckage


broken parts or pieces of something

The car accident left behind a massive heap of wreckage.


photo credit: David Goldman/AP

wreckage
Next
Prev

cricket


a game played with a bat and a small ball on a round field

Cricket is one of the most popular sports in the world.


photo credit: Shutterstock

cricket

lacked


did not have

Camella lacked the money she needed to buy a bike.


photo credit: istockphoto.com

lacked

immigrated


came into a new country to live

My grandfather immigrated to America from China when he was a young man.


photo credit: Shutterstock

immigrated

encouraged


said nice things to help someone feel confident

Andy’s brother encouraged him to try out for the baseball team.


photo credit: Masterfile RF

encouraged

gaped


stared with mouth open

Julio gaped at the incredible sight of the Grand Canyon.


photo credit: istockphoto.com

gaped
Next
Prev

cricket


a game played with a bat and a small ball on a round field

Cricket is one of the most popular sports in the world.


photo credit: Shutterstock

cricket

lacked


did not have

Camella lacked the money she needed to buy a bike.


photo credit: istockphoto.com

lacked

immigrated


came into a new country to live

My grandfather immigrated to America from China when he was a young man.


photo credit: Shutterstock

immigrated

encouraged


said nice things to help someone feel confident

Andy’s brother encouraged him to try out for the baseball team.


photo credit: Masterfile RF

encouraged

gaped


stared with mouth open

Julio gaped at the incredible sight of the Grand Canyon.


photo credit: istockphoto.com

gaped
Next
Prev

cricket


a game played with a bat and a small ball on a round field

Cricket is one of the most popular sports in the world.


photo credit: Shutterstock

cricket

lacked


did not have

Camella lacked the money she needed to buy a bike.


photo credit: istockphoto.com

lacked

immigrated


came into a new country to live

My grandfather immigrated to America from China when he was a young man.


photo credit: Shutterstock

immigrated

encouraged


said nice things to help someone feel confident

Andy’s brother encouraged him to try out for the baseball team.


photo credit: Masterfile RF

encouraged

gaped


stared with mouth open

Julio gaped at the incredible sight of the Grand Canyon.


photo credit: istockphoto.com

gaped
Next
Problem loading video..
Problem loading video..
Problem loading video..
Prev

muskets


long guns that fire round bullets

Soldiers in the Revolutionary War used muskets in battle.


photo credit: istockphoto.com

muskets

scalpel


a small knife used in surgery

The surgeon used her scalpel to begin the surgery.


photo credit: istockphoto.com

scalpel

enlist


sign up

Mark plans to enlist in the Navy after he graduates from high school.


photo credit: Maury/EPA/REX/Shutterstock

enlist

independence


freedom

America declared its independence from Britain in 1776.


photo credit: Album/Prisma/Album/Superstock

independence

undertakers


people who prepare dead bodies to be buried

Undertakers work in the basements of funeral homes.


photo credit: istockphoto.com

undertakers
Next
Prev

stagger


to move in an unsteady way

Drew had to stagger off the field after he hurt his ankle.


photo credit: istockphoto.com

stagger

environmental


having to do with nature and how human activity affects it

Environmental disasters, like oil spills, have killed many animals.


photo credit: istockphoto.com

environmental

species


a certain type of animal or plant

Chris saw many species of monkey at the wildlife park.


photo credit: Minden

species

preen


clean feathers with a beak

At the zoo, I saw the penguins preen themselves.


photo credit: Mike Lawrence/Alamy

preen

ecosystem


all of the plants and animals that live in one area

Cactuses are part of a desert ecosystem.


photo credit: Eye Ubiquitous / Alamy

ecosystem
Next
Prev

stagger


to move in an unsteady way

Drew had to stagger off the field after he hurt his ankle.


photo credit: istockphoto.com

stagger

environmental


having to do with nature and how human activity affects it

Environmental disasters, like oil spills, have killed many animals.


photo credit: istockphoto.com

environmental

species


a certain type of animal or plant

Chris saw many species of monkey at the wildlife park.


photo credit: Minden

species

preen


clean feathers with a beak

At the zoo, I saw the penguins preen themselves.


photo credit: Mike Lawrence/Alamy

preen

ecosystem


all of the plants and animals that live in one area

Cactuses are part of a desert ecosystem.


photo credit: Eye Ubiquitous / Alamy

ecosystem
Next
Prev

stagger


to move in an unsteady way

Drew had to stagger off the field after he hurt his ankle.


photo credit: istockphoto.com

stagger

environmental


having to do with nature and how human activity affects it

Environmental disasters, like oil spills, have killed many animals.


photo credit: istockphoto.com

environmental

species


a certain type of animal or plant

Chris saw many species of monkey at the wildlife park.


photo credit: Minden

species

preen


clean feathers with a beak

At the zoo, I saw the penguins preen themselves.


photo credit: Mike Lawrence/Alamy

preen

ecosystem


all of the plants and animals that live in one area

Cactuses are part of a desert ecosystem.


photo credit: Eye Ubiquitous / Alamy

ecosystem
Next
Problem loading video..
Problem loading video..
Problem loading video..
Problem loading video..
Prev

ecosystem


all of the plants and animals that live in one area

Cactuses are part of a desert ecosystem.


photo credit: Eye Ubiquitous / Alamy

ecosystem

environmental


having to do with nature and how human activity affects it

Environmental disasters, like oil spills, have killed many animals.


photo credit: istockphoto.com

environmental

species


a certain type of animal or plant

Chris saw many species of monkey at the wildlife park.


photo credit: Minden

species

preen


clean feathers with a beak

At the zoo, I saw the penguins preen themselves.


photo credit: Mike Lawrence/Alamy

preen

stagger


to move in an unsteady way

Drew had to stagger off the field after he hurt his ankle.


photo credit: istockphoto.com

stagger

undertakers


people who prepare dead bodies to be buried

Undertakers work in the basements of funeral homes.


photo credit: istockphoto.com

undertakers

scalpel


a small knife used in surgery

The surgeon used her scalpel to begin the surgery.


photo credit: istockphoto.com

scalpel

enlist


sign up

Mark plans to enlist in the Navy after he graduates from high school.


photo credit: Maury/EPA/REX/Shutterstock

enlist

independence


freedom

America declared its independence from Britain in 1776.


photo credit: Album/Prisma/Album/Superstock

independence

muskets


long guns that fire round bullets

Soldiers in the Revolutionary War used muskets in battle.


photo credit: istockphoto.com

muskets

lacked


did not have

Camella lacked the money she needed to buy a bike.


photo credit: istockphoto.com

lacked

immigrated


came into a new country to live

My grandfather immigrated to America from China when he was a young man.


photo credit: Shutterstock

immigrated

encouraged


said nice things to help someone feel confident

Andy’s brother encouraged him to try out for the baseball team.


photo credit: Masterfile RF

encouraged

gaped


stared with mouth open

Julio gaped at the incredible sight of the Grand Canyon.


photo credit: istockphoto.com

gaped

cricket


a game played with a bat and a small ball on a round field

Cricket is one of the most popular sports in the world.


photo credit: Shutterstock

cricket

artifacts


objects from the past

Many ancient artifacts were found in King Tut’s tomb.


photo credit: Shutterstock

artifacts

salvaged


saved

Fatima salvaged her grade for the semester by acing her final exam.


photo credit: Masterfile RF

salvaged

glistening


bright and shiny

The moonlight was glistening on the water.


photo credit: Shutterstock

glistening

wreckage


broken parts or pieces of something

The car accident left behind a massive heap of wreckage.


photo credit: David Goldman/AP

wreckage

prowled


moved in a secret way while searching for something

The cougar prowled in the woods, hunting for its prey.


photo credit: Grambo Grambo/Getty

prowled

climate


the usual weather in a place

The climate in the U.S. Midwest is cold and snowy in the winter.


photo credit: John Hart/Wisconsin State Journal/AP

climate

pioneers


the first people to explore or settle in a new place

Pioneers in the 1800s often traveled in covered wagons.


photo credit: Greg Ryan/Alamy

pioneers

greenhouse


a glass building used for growing and protecting plants

Vegetables grown in a greenhouse can be just as flavorful as ones grown outside.


photo credit: Shutterstock

greenhouse

radiation


a kind of energy that can be dangerous if there’s too much of it

Microwaves use small amounts of radiation to cook food.


photo credit: Shutterstock

radiation

craters


big holes in the ground

I can see the craters on the moon when I look through my telescope.


photo credit: Shutterstock

craters
Next