The attractive force between two magnets increases. Which statement explains why this would happen?

Which of these determines whether or not a material is magnetic?

Candice claims that all magnets have two magnetic poles. Which of these observations would best support her claim?

Angela tries to pick up a copper penny using a bar magnet, but the penny does not move. Next, she tries to pick up an iron nail using the bar magnet, and the nail lifts up toward the magnet. Which of the following best describes a ferromagnetic material like iron?

A magician wants to use magnets to create a new illusion for her show. She plans to hide strong magnets in her shoes and inside a special rug on the stage. When she tests the illusion, she finds that her shoes stick to the rug. What will happen if she flips the poles of the magnets in each of her shoes?

Why can some objects be magnetized by rubbing one pole of an existing magnet in one direction along the object?

A student finds three unmarked bar magnets in a lab. She wants to know how strong each of the magnets is. She also has a set of paper clips. Explain how she could use the paper clips to determine the strength of each magnet.

Ajit has a bar magnet, a copper rod, an iron rod, and a steel rod. First, he moves the magnet toward the middle of the copper rod. Next, he moves the magnet toward the middle of the iron rod. Finally, he moves the magnet toward the middle of the steel rod. In each step of his investigation, he writes down his observations. What is he trying to discover?