Vocabulary Boost
Grammar & Usage
World Knowledge
Science & Technology
Pop Culture & Entertainment
100

This word means “a person who studies the mind and behavior.”

Psychologist

100

The information you gave me are not enough to make a decision.

are -> is

100

This country is the largest in the world by land area.

Russia

100

The force that pulls objects toward Earth.

gravity

100

The app known for short-form vertical videos.

TikTok

200

A word that means “very important or necessary.”

Essential

200

Alike other mineral grains,  those in basalt are so small  that they cannot be seen with the naked eye.

Alike -> Like

200

The capital city of Canada.

Ottawa

200

The basic unit of life.

Cell

200

This famous Disney film series follows a witty pirate as he searches for cursed treasure, battles sea monsters, and tries to reclaim his beloved ship, the Black Pearl.

Pirates of the Caribbean

300

A formal word for “the act of carefully examining something.”

Analysis

300

Error Identification: Officials offered a $30,000 reward for information on the Saturday attacks that left one scientist flee his smoke-filled home with his family.

flee -> fleeing

300

This Southeast Asian country was never colonized by a European power.

Thailand

300

The part of a computer that acts as the “brain.”  

CPU

300

This movie series features a boy wizard with a lightning scar.

Harry Potter

400

This academic word means “to strongly suggest or support an idea without saying it directly.”

Imply 

400

Hard-line tactics pursuing by the military in its bid to pacify the restless region are having precisely the opposite effects.

pursuing -> pursued

400

The river that flows through Egypt.

the Nile

400

The scientific law stating that “energy cannot be created or destroyed.”

the law of conservation of energy

400

 This sci-fi film features a young man who discovers the world he lives in is actually a computer simulation controlled by machines, leading him to become “The One.” 

The Matrix

500

A high-level vocabulary word meaning “to examine something in great detail in order to understand it better or discover more information.”

Scrutinize

500

Environmental experts claim that Planet Earth is steadily warming up because of human activities, and the developed world is primary responsible for this.

primary->primarily

500

The organization founded in 1945 to promote peace and cooperation among countries.

the United Nations (UN)

500

This type of chemical bond forms when electrons are transferred from a metal to a non-metal, while another main type forms when atoms share electrons instead of transferring them.

ionic bonds and covalent bonds

500

In this complex thriller, a team of specialists enters different layers of dreams to plant an idea inside someone’s mind, blurring the line between reality and imagination.

Inception

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