A magnet picks up a steel paper clip without touching it. What kind of force is this?

Which material will a magnet attract?

Two magnets push each other away. Which poles are facing each other?

A magnet lifts iron pins through a cloth pouch. What does this show about the magnet?

A cabinet door snaps shut on its own when it comes near the steel plate on the frame. What holds it shut?

A toy car must stop at the end of a ramp every time. Design A uses one weak magnet, and Design B uses three strong magnets. Which design is better?

Ana rubs a balloon on her hair and holds it near a wall without touching the wall. The balloon sticks there. What does this show?

A north pole magnet is brought close to a south pole magnet. What will happen?

A student wants a magnet to hold the heaviest load. She tests a bar magnet and a horseshoe magnet. Both lift steel bolts. Which step should she do next?

A magnet placed near iron filings will pull the filings toward it without touching them.

Moving a magnet farther away from a steel nail makes its pull on the nail stronger.

Sara rubs a plastic comb on a wool sweater and holds it over small bits of paper. The bits jump up to the comb. What does this show?

Ben pulls a wool hat off his head and his hair rises up toward the hat. What does this show?

A toy boat with a steel bolt slides across the water when a magnet is held near it but never touches it. What does this show?

A rubbed balloon picks up small paper bits, but a magnet held near them picks up none. What explains the balloon's pull?

Ms. Diaz needs a note board where paper notes stay up but pull off with one gentle tug. Design A uses one small magnet per note, and Design B uses six strong magnets per note. Which design should she choose?

A garden gate must stay shut in strong wind. Design A uses one thin magnet, and Design B uses a strong magnet and a steel plate. Which design meets that need?

Two magnet latches are built to hold a toy box lid shut. What test decides which latch holds better?

A game piece must move across a board without anyone touching it. Design A hides a magnet under the board, and Design B ties a string to the piece. Which design meets the need?

Why is a magnetic latch a good solution for a cabinet that people open many times each day?