Unit 7
Unit 8
Unit 9
100

Reduce

to make something smaller or less.


Example: We can reduce waste by recycling.

100

Protect

to keep something safe.


Example: We must protect the forest from fires.

100

Opportunities

chances to do something good or new.


Example: Studying abroad gives you new opportunities.

200

Usual

happening often or in a normal way. 

Example: I woke up at my usual time – 7 a.m.

200

Wild

living in nature, not with people.
Example: Lions are wild animals.

200

Goods

things that are made or grown to be sold.


Example: The store sells many goods, like clothes and food.

300

Choices

things you can choose between; options.
Example: You have two choices for lunch – pasta or salad.

300

Melting

changing from solid to liquid because of heat.


Example: The ice is melting in the sun.

300

Challenging

difficult in a way that tests your ability.


Example: Learning a new language is challenging.

400

Satisfying

making you feel happy or pleased because something is good or complete.


Example: Finishing the puzzle was very satisfying.

400

Habitat

the place where an animal or plant lives.


Example: A rainforest is a habitat for many animals.

400

Traded

gave something and got something else in return.


Example: People in the past traded spices for gold.

500

Account

a record of money kept in a bank or online service.


Example: I put my salary in my bank account.

500

Endangered

 in danger of disappearing forever.


Example: Pandas are endangered animals.

500

Exchange

to give something and receive something else.


Example: We exchange gifts at Christmas.