"Yes," Minh replied. "Working together is than winning."
They worked hard every day after school. Linh painted the car to make it look beautiful. Tom wrote the science report. Minh connected the wires and the battery.
The judges smiled. "Very creative! You understand very well."
It was , and the bell for English class rang at 7:30 AM . Minh was sitting next to Linh. Their teacher, Ms. Hoa, had a big smile. bai tap bo tro tieng anh 6 i-learn smart world
, Ms. Hoa announced the winners. "First prize goes to... Minh, Linh, and Tom for the Smart Solar Car !"
As they walked out of the school gate, Tom pointed to the sky. "Look, the sun is setting. But our car's battery is still full."
Linh wasn't sure. "I prefer . But okay, let's try!" "Yes," Minh replied
"Look!" said Linh. "The wheels are than yesterday."
When it was their turn, Minh placed the solar car under a bright lamp. The car zoomed across the table.
"That's !" the judges said. "How does it work?" Tom wrote the science report
"Class, next is our annual Science Fair ," she announced. "You will work in groups to create a project about energy ."
Minh was excited. "I love ! We can make a small wind turbine," he whispered to Linh.
Minh thought for a minute. "We need a battery to store energy for . That's the solution!"