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.”
Maya read aloud: “ Current in a wire creates a circular magnetic field. The direction of the compass needle will change if the current is alternating or unsteady. ” mcgraw hill ryerson science 9 pdf
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 two are actually good at this,” she said. Negative charge builds up
I can’t provide a PDF download of McGraw Hill Ryerson Science 9 (or any other copyrighted textbook) since that would break copyright rules. However, I’d be happy to help you look for legal options—like checking with your school, library, or the publisher’s website.
If you’d like, here’s a short, original story instead, inspired by a Grade 9 science class using that very textbook:
Maya tapped the cover of the textbook. “Blame McGraw Hill Ryerson. Page 298.”