ENGLISH MASTERY CHALLENGE FOR 4TH GRADE

What is the meaning of invention?

• Something old

• Something you creat or make

• Something you buy

• Something you borrow

If you create a “flying backpack,” what can it do?

• Help you swim underwater

• Help you fly in the sky

• Help you eat faster

• Help you sleep longer

Which tool is used for cleaning the floor easily?

• Broom robot

• Flying car

• Smart glasses

• Talking pillow

Please match the invention and its function!

• Help you see in the dark 

• 
• Write and erase by voice 

• 
• Play and guard your house

• 
• Walk and count your steps

• 

Every country has its own (a)   . A staple food is the main food that people eat almost every day. It gives us energy to work, study, and play.

In (b)   , the staple food is (c)   . Most people eat rice with vegetables, fish, or chicken. In (d)   and (e)   , rice is also very popular. People eat it with soup or sushi.

In America and Mexico, many people eat corn and wheat as their staple foods. Corn is used to make tortillas, and wheat is used to make bread.

In India, people eat rice and roti, a kind of flat bread. In Africa, some people eat cassava or yam as their main food.

Even though our staple foods are different, they all give us the same thing—energy to live and grow.

• staple food
• Indonesia
• rice
• Japan
• China
• eat

Please arrange into good sentence!

• homework

• My invention

• do

• that can help me

• is a robot

If you travel to another country, what staple food would you like to try?

What is your country’s staple food?

I am a kind of grain.

People use me to make bread, noodles, and cakes.

I am brown or golden when I grow in the field.

What am I?

I am white or sometimes brown.

People eat me every day in Indonesia.

I am served with vegetables, fish, or chicken.

What am I?