The thick smoke filled the room and began to __________ everyone inside.

Scientists studied a rare __________ of the virus that behaved differently from the others.

The gallery focuses on __________ art that reflects modern life and current issues.

After years of practice, the young athlete finally __________ and gained recognition for his talent.

Fans lined up to buy band __________ after the concert ended.

A: “Do you like my outfit, or is it too flashy?”
B: “Hmm… it’s actually pretty ________.”

A: “Oh no! I accidentally sent the email to the wrong person.”
B: “That’s a huge ________!”

A: “I always hear coins when you walk into the room. What’s that sound?”
B: “Oh, that’s just my keys. They ________ in my pocket.”

A: “Do you think this dress is too short?”
B: “No, the ________ is fine. It looks elegant.”

The northern lights are a natural ________ that attracts tourists from all over the world.

She was diagnosed with an eating ________ that made her very conscious about food.

The clock in the town square seems to keep running without stopping, marking time in a ________ motion.

News of the festival began to ________ quickly through the community.

He was walking home late at night when he was suddenly ________ by two strangers.

A: “How do you remember all your homework deadlines?”
B: “I try to ________ everything in my planner.”

A: “That bright yellow jacket really stands out in the crowd!”
B: “Yeah, it’s definitely ________.”

The scientist warned that improper handling could lead to the sample becoming ________.

The lab must remain completely ________ to prevent any bacteria from affecting the experiment.

After hearing the bad news, she looked visibly ________.

The engineer showed the first working ________ of the new gadget to the team.

The magician’s skillful ________ of the cards amazed everyone at the table.

Forests, water, and oil are all natural resources that people use to meet their needs.

What does natural resources most nearly mean?

Gasoline is made from petroleum, which is pumped from deep underground.

What is petroleum?

The plant produces electricity using nuclear power, which comes from splitting atoms.

What is nuclear power?

Wind and sunlight are renewable because they can be used again and again without running out.

What does renewable mean?

Solar panels on the roof collect solar energy to power the building.

What is solar energy?

The dam was built across the river to control flooding and store water.

What is a dam?

The hydroelectric plant generates electricity by using moving water.

What does hydroelectric mean?

Farmers prefer arable land because crops grow well there.

What does arable land mean?

The company harvested timber from the forest to make furniture.

What does timber mean?

The country became wealthy after discovering mineral deposits underground.

What are mineral deposits?