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

"Look!" said Linh. "The wheels are than yesterday."

, Ms. Hoa announced the winners. "First prize goes to... Minh, Linh, and Tom for the Smart Solar Car !"

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

, the three friends met at the park near Linh's house to test their small solar panel. The sun was shining brightly. bai tap bo tro tieng anh 6 i-learn smart world

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

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

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. "First prize goes to

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

"Great idea!" said Minh. "Let's build a ."

The three friends cheered. "We make a great team!" Linh said. The sun was shining brightly

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

, 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.

"Hi! Can I join your group?" Tom asked. "In my old school, I learned about . It's very popular in Australia because it's sunny and hot there."

Minh was excited. "I love ! We can make a small wind turbine," he whispered to Linh.