Teacher Aldo stands in the lab.

Teacher Aldo is in his thirties, with short curly black hair and a shadow of a goatee. He wears glasses and a blue Homework Zone T-shirt.

He says HI I'M TEACHER
ALDO AND
WELCOME TO
THE HOMEWORK ZONE.
TODAY WE'RE GONNA
HAVE FUN WITH
MAGNETS; I
HAVE TWO MAGNETS
IN FRONT OF ME DOWN
ON THE TABLE.
IF YOU NOTICE
THE MAGNET IS
SPLIT INTO TWO
COLOURS -
ONE SIDE'S RED
AND ONE SIDE'S BLUE.
THE RED SIDE IS
THE SOUTH POLE
OF THE MAGNET, IT
HAS A NEGATIVE CHARGE,
AND THE BLUE SIDE
IS THE
POSITIVE CHARGE
OF THE MAGNET OR
THE NORTH
POLE.
WATCH WHAT
HAPPENS WHEN I BRING
A NORTH POLE CLOSE
TO A SOUTH POLE
OF A
SECOND MAGNET.
YOU'LL NOTICE
THAT THERE'S
AN ATTRACTION;
THE TWO CONNECT AND
YOU CAN PULL THEM
ALONG THE TABLE.
LET'S TRY
ANOTHER EXPERIMENT
WHERE WE TAKE
THE SAME TWO
MAGNETS AND
NOW TRY TO PUT THE
POSITIVE CHARGED
MAGNET TO THE
OTHER SIDE
OF THE POSITIVE
CHARGED
MAGNET.
IF YOU'LL NOTICE
THE TWO DON'T
ATTRACT AND I
CAN'T PULL BOTH
OF THEM ACROSS
THE TABLE.
THAT'S
MAGNETISM -
I'M TEACHER ALDO
AND NOW YOU KNOW.