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smog


smoky, polluted air

We had to stay inside because the smog made it hard to breathe.



photo credit: istockphoto.com

smog

dense


thick

The dense fog made the road hard to see.


photo credit: Shutterstock

dense

particles


extremely small pieces of something

The house was so dirty, that I could see particles of dust floating in the air.


photo credit: istockphoto.com

particles

greenhouse gases


gases around Earth that keep heat in

Greenhouse gases are a major cause of global warming.


photo credit: Shutterstock

greenhouse gases

protested


spoke out against something

Alice and her friends protested when the school raised lunch prices.


photo credit: istockphoto.com

protested
Next
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blood sugar


sugar in the body that gives you energy

People with type 1 diabetes need to make sure their blood sugar isn’t too high or too low.


photo credit: Shutterstock

blood sugar

rural


in the countryside

I want to live in a rural area so I can have a lot more space and be in nature.


photo credit: Gary Black/Masterfile RF

rural

insulin


a chemical that controls the amount of sugar in your body

Insulin is very important—it helps turn the sugar in your body into energy.


photo credit: istockphoto.com

insulin

meter


an instrument that measures the amount of something

The electric company checks our meter every month to see how much electricity we’ve used.


photo credit: istockphoto.com

meter

symptoms


things that show you have an illness

Kenny had all the symptoms of the flu, so his mom made him stay home.


photo credit: Shutterstock

symptoms
Next
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predicted


said something would happen before it happened

Jonah predicted the Cubs would win a World Series last year—and he was right!


photo credit: Ian Jonson/Icon Sportswire/AP

predicted

numb


without feeling or normal movement

After spending all day in the freezing cold, I was numb from head to toe.


photo credit: istockphoto.com

numb

unconscious


not awake or aware, usually because of a medical issue

Sam was unconscious after he got hit in the head with the ball.


photo credit: istockphoto.com

unconscious

vanished


disappeared

I tried to catch the rabbit, but it vanished into the woods.


photo credit: Getty Images

vanished

precious


highly valuable, special, very loved

My new puppy is precious to me—I’d be very sad if I lost her.


photo credit: istockphoto.com

precious
Next
Prev

scavenge


search for food in garbage

Raccoons scavenge through my neighbor’s garbage cans late at night.


photo credit: Agefotostock

scavenge

descendants


those that follow in a family line, such as children and grandchildren

On my great-grandmother’s birthday, all her descendants came together to celebrate.


photo credit: Agefotostock

descendants

adapt


change behavior to make it easier to live

When winter started, the wolves had to adapt to the colder temperature.


photo credit: Shutterstock

adapt

swarm


move together in a big group

I’m allergic to bees, so if they start to swarm toward me, I run away as fast as I can.


photo credit: istockphoto.com

swarm

scurry


run with quick, short steps

Kendra screamed when she saw a mouse scurry across her kitchen floor.



photo credit: istockphoto.com

scurry
Next
Prev

smog


smoky, polluted air

We had to stay inside because the smog made it hard to breathe.



photo credit: istockphoto.com

smog

dense


thick

The dense fog made the road hard to see.


photo credit: Shutterstock

dense

particles


extremely small pieces of something

The house was so dirty, that I could see particles of dust floating in the air.


photo credit: istockphoto.com

particles

greenhouse gases


gases around Earth that keep heat in

Greenhouse gases are a major cause of global warming.


photo credit: Shutterstock

greenhouse gases

protested


spoke out against something

Alice and her friends protested when the school raised lunch prices.


photo credit: istockphoto.com

protested
Next
Problem loading video..
Prev

blood sugar


sugar in the body that gives you energy

People with type 1 diabetes need to make sure their blood sugar isn’t too high or too low.


photo credit: Shutterstock

blood sugar

rural


in the countryside

I want to live in a rural area so I can have a lot more space and be in nature.


photo credit: Gary Black/Masterfile RF

rural

insulin


a chemical that controls the amount of sugar in your body

Insulin is very important—it helps turn the sugar in your body into energy.


photo credit: istockphoto.com

insulin

meter


an instrument that measures the amount of something

The electric company checks our meter every month to see how much electricity we’ve used.


photo credit: istockphoto.com

meter

symptoms


things that show you have an illness

Kenny had all the symptoms of the flu, so his mom made him stay home.


photo credit: Shutterstock

symptoms
Next
Problem loading video..
Prev

predicted


said something would happen before it happened

Jonah predicted the Cubs would win a World Series last year—and he was right!


photo credit: Ian Jonson/Icon Sportswire/AP

predicted

numb


without feeling or normal movement

After spending all day in the freezing cold, I was numb from head to toe.


photo credit: istockphoto.com

numb

unconscious


not awake or aware, usually because of a medical issue

Sam was unconscious after he got hit in the head with the ball.


photo credit: istockphoto.com

unconscious

vanished


disappeared

I tried to catch the rabbit, but it vanished into the woods.


photo credit: Getty Images

vanished

precious


highly valuable, special, very loved

My new puppy is precious to me—I’d be very sad if I lost her.


photo credit: istockphoto.com

precious
Next
Prev

scavenge


search for food in garbage

Raccoons scavenge through my neighbor’s garbage cans late at night.


photo credit: Agefotostock

scavenge

descendants


those that follow in a family line, such as children and grandchildren

On my great-grandmother’s birthday, all her descendants came together to celebrate.


photo credit: Agefotostock

descendants

adapt


change behavior to make it easier to live

When winter started, the wolves had to adapt to the colder temperature.


photo credit: Shutterstock

adapt

swarm


move together in a big group

I’m allergic to bees, so if they start to swarm toward me, I run away as fast as I can.


photo credit: istockphoto.com

swarm

scurry


run with quick, short steps

Kendra screamed when she saw a mouse scurry across her kitchen floor.



photo credit: istockphoto.com

scurry
Next
Problem loading video..
Prev

smog


smoky, polluted air

We had to stay inside because the smog made it hard to breathe.



photo credit: istockphoto.com

smog

dense


thick

The dense fog made the road hard to see.


photo credit: Shutterstock

dense

particles


extremely small pieces of something

The house was so dirty, that I could see particles of dust floating in the air.


photo credit: istockphoto.com

particles

greenhouse gases


gases around Earth that keep heat in

Greenhouse gases are a major cause of global warming.


photo credit: Shutterstock

greenhouse gases

protested


spoke out against something

Alice and her friends protested when the school raised lunch prices.


photo credit: istockphoto.com

protested
Next
Problem loading video..
Prev

blood sugar


sugar in the body that gives you energy

People with type 1 diabetes need to make sure their blood sugar isn’t too high or too low.


photo credit: Shutterstock

blood sugar

rural


in the countryside

I want to live in a rural area so I can have a lot more space and be in nature.


photo credit: Gary Black/Masterfile RF

rural

insulin


a chemical that controls the amount of sugar in your body

Insulin is very important—it helps turn the sugar in your body into energy.


photo credit: istockphoto.com

insulin

meter


an instrument that measures the amount of something

The electric company checks our meter every month to see how much electricity we’ve used.


photo credit: istockphoto.com

meter

symptoms


things that show you have an illness

Kenny had all the symptoms of the flu, so his mom made him stay home.


photo credit: Shutterstock

symptoms
Next
Problem loading video..
Prev

predicted


said something would happen before it happened

Jonah predicted the Cubs would win a World Series last year—and he was right!


photo credit: Ian Jonson/Icon Sportswire/AP

predicted

numb


without feeling or normal movement

After spending all day in the freezing cold, I was numb from head to toe.


photo credit: istockphoto.com

numb

unconscious


not awake or aware, usually because of a medical issue

Sam was unconscious after he got hit in the head with the ball.


photo credit: istockphoto.com

unconscious

vanished


disappeared

I tried to catch the rabbit, but it vanished into the woods.


photo credit: Getty Images

vanished

precious


highly valuable, special, very loved

My new puppy is precious to me—I’d be very sad if I lost her.


photo credit: istockphoto.com

precious
Next
Prev

hovers


stays in one place in the air

It freaks me out when my neighbor’s drone hovers over my house.


photo credit: istockphoto.com

hovers

plight


a dangerous, sad, or very difficult situation

The plight of homeless people around the world should motivate us to find more ways to help.


photo credit: Caro Photo Agency/Newscom

plight

trudge


walk slowly and with effort

The soldiers trudge through the woods wearing their heavy backpacks.


photo credit: Shutterstock

trudge

elders


people who are older

I was always taught to respect my elders because they know better than I do.


photo credit: istockphoto.com

elders

adobe


a house or building made of clay and straw bricks

An adobe is a type of house that is usually found in warm places.


photo credit: istockphoto.com

adobe
Next
Prev

scavenge


search for food in garbage

Raccoons scavenge through my neighbor’s garbage cans late at night.


photo credit: Agefotostock

scavenge

descendants


those that follow in a family line, such as children and grandchildren

On my great-grandmother’s birthday, all her descendants came together to celebrate.


photo credit: Agefotostock

descendants

adapt


change behavior to make it easier to live

When winter started, the wolves had to adapt to the colder temperature.


photo credit: Shutterstock

adapt

swarm


move together in a big group

I’m allergic to bees, so if they start to swarm toward me, I run away as fast as I can.


photo credit: istockphoto.com

swarm

scurry


run with quick, short steps

Kendra screamed when she saw a mouse scurry across her kitchen floor.



photo credit: istockphoto.com

scurry
Next
Prev

scurry


run with quick, short steps

Kendra screamed when she saw a mouse scurry across her kitchen floor.



photo credit: istockphoto.com

scurry

descendants


those that follow in a family line, such as children and grandchildren

On my great-grandmother’s birthday, all her descendants came together to celebrate.


photo credit: Agefotostock

descendants

adapt


change behavior to make it easier to live

When winter started, the wolves had to adapt to the colder temperature.


photo credit: Shutterstock

adapt

swarm


move together in a big group

I’m allergic to bees, so if they start to swarm toward me, I run away as fast as I can.


photo credit: istockphoto.com

swarm

scavenge


search for food in garbage

Raccoons scavenge through my neighbor’s garbage cans late at night.


photo credit: Agefotostock

scavenge

plight


a dangerous, sad, or very difficult situation

The plight of homeless people around the world should motivate us to find more ways to help.


photo credit: Caro Photo Agency/Newscom

plight

trudge


walk slowly and with effort

The soldiers trudge through the woods wearing their heavy backpacks.


photo credit: Shutterstock

trudge

elders


people who are older

I was always taught to respect my elders because they know better than I do.


photo credit: istockphoto.com

elders

adobe


a house or building made of clay and straw bricks

An adobe is a type of house that is usually found in warm places.


photo credit: istockphoto.com

adobe

hovers


stays in one place in the air

It freaks me out when my neighbor’s drone hovers over my house.


photo credit: istockphoto.com

hovers

precious


highly valuable, special, very loved

My new puppy is precious to me—I’d be very sad if I lost her.


photo credit: istockphoto.com

precious

numb


without feeling or normal movement

After spending all day in the freezing cold, I was numb from head to toe.


photo credit: istockphoto.com

numb

unconscious


not awake or aware, usually because of a medical issue

Sam was unconscious after he got hit in the head with the ball.


photo credit: istockphoto.com

unconscious

vanished


disappeared

I tried to catch the rabbit, but it vanished into the woods.


photo credit: Getty Images

vanished

predicted


said something would happen before it happened

Jonah predicted the Cubs would win a World Series last year—and he was right!


photo credit: Ian Jonson/Icon Sportswire/AP

predicted

rural


in the countryside

I want to live in a rural area so I can have a lot more space and be in nature.


photo credit: Gary Black/Masterfile RF

rural

insulin


a chemical that controls the amount of sugar in your body

Insulin is very important—it helps turn the sugar in your body into energy.


photo credit: istockphoto.com

insulin

meter


an instrument that measures the amount of something

The electric company checks our meter every month to see how much electricity we’ve used.


photo credit: istockphoto.com

meter

symptoms


things that show you have an illness

Kenny had all the symptoms of the flu, so his mom made him stay home.


photo credit: Shutterstock

symptoms

blood sugar


sugar in the body that gives you energy

People with type 1 diabetes need to make sure their blood sugar isn’t too high or too low.


photo credit: Shutterstock

blood sugar

protested


spoke out against something

Alice and her friends protested when the school raised lunch prices.


photo credit: istockphoto.com

protested

dense


thick

The dense fog made the road hard to see.


photo credit: Shutterstock

dense

particles


extremely small pieces of something

The house was so dirty, that I could see particles of dust floating in the air.


photo credit: istockphoto.com

particles

greenhouse gases


gases around Earth that keep heat in

Greenhouse gases are a major cause of global warming.


photo credit: Shutterstock

greenhouse gases

smog


smoky, polluted air

We had to stay inside because the smog made it hard to breathe.



photo credit: istockphoto.com

smog
Next