Bai Tap Bo Tro Tieng Anh 6 I-learn Smart World Direct

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."

"Class, next is our annual Science Fair ," she announced. "You will work in groups to create a project about energy ."

Minh thought for a minute. "We need a battery to store energy for . That's the solution!"

The gym was full of projects. There were volcanoes, robots, and plant experiments. bai tap bo tro tieng anh 6 i-learn smart world

"You're right!" Minh agreed. "The the sunlight, the faster the car goes."

Linh wasn't sure. "I prefer . But okay, let's try!"

Tom explained, "The solar panel catches light and turns it into electricity. The battery stores extra energy, so the car can run ." As they walked out of the school gate,

, they went to the library to research. While looking for books, they met Tom. Tom was from Sydney, Australia. He was new to the school.

"Oh no! ," Tom said sadly.

The three friends cheered. "We make a great team!" Linh said. "You will work in groups to create a project about energy

"Yes," Minh replied. "Working together is than winning."

"That's !" the judges said. "How does it work?"

But suddenly, a big cloud covered the sun. The car stopped.

When it was their turn, Minh placed the solar car under a bright lamp. The car zoomed across the table.