School subjects
Number prefixes
Irregular verbs
Error correction
Learned vocabulary
100

The study of the nature and properties of matter and energy, includes: mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.

physics

100

1

mono-

100

Simple past of "bring"

brought

100

If she has time, she always help her brother with his homework.

helps

100

To employ (someone) for wages.

hire

200

The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.

biology

200

2

bi-

200

Simple past of "buy"

bought

200

The book was wrote by the author.

written

200

A person who is invited to visit the home of or take part in a function organized by another.

guest

300

The study of the physical features of the earth and its atmosphere, and of human activity as it affects and is affected by these, including the distribution of populations and resources, land use, and industries.

geography

300

3

tri-

300

Simple past of "hear"

heard

300

"After they beginned their journey, they realized they forgot the map."

began

300

A person connected by blood or marriage.

relative

400

The study of scarcity, how people use resources and respond to incentives, or decision-making. It often involves topics like wealth and finance. It helps us understand historical trends, interpret today’s headlines, and make predictions about the coming years.

economics

400

10

deca-

400

Simple past of "stand"

stood

400

"She is going to studies abroad next year."

study

400

The place to which someone or something is going or being sent.

destination

500

The scientific study of the human mind and its functions, especially those affecting behavior in a given context.

psychology

500

100

cent-

500

Simple past of "think"

thought

500

"What are you doing tomorrow?"

"I don't know yet. Maybe I am meeting my friend tomorrow for lunch."

I will meet

500

A result or effect of an action or condition.

consequence