Mcgraw Hill Ryerson Science 9 Pdf ◆ «Trending»

They reported the loose wire to their teacher, who thanked them and fixed the circuit before anyone got shocked. Kaitlyn smiled—a real one.

Maya pointed to a diagram in the book. “You didn’t rub it long enough. Electrons move from your hair to the balloon. Negative charge builds up. Opposite charges attract the wall.”

“It’s been doing that since I touched the power supply,” Kaitlyn whispered. mcgraw hill ryerson science 9 pdf

“It’s not working,” he grumbled.

Leo pointed at the frayed wire near the power supply. “That’s not supposed to spark like that.” They reported the loose wire to their teacher,

Maya tapped the cover of the textbook. “Blame McGraw Hill Ryerson. Page 298.”

“You two are actually good at this,” she said. “You didn’t rub it long enough

Leo grinned. “Best field trip we never left the classroom for.”

Maya grabbed the textbook and flipped to the electricity unit. “Electromagnetism,” she murmured. “An electric current creates a magnetic field. If the compass is moving without a magnet, there’s stray current somewhere.”