T3L2 Flashcard

Front

What types of material attract a magnet?

Back

Materials that contain iron

Front

Which test determines which magnet has a stronger magnetic force?

Back

Test which magnet can hold more paperclips.

Front

Where are the strongest and weakest parts of the magnetic field of a bar magnet?

Back

Strongest: At the poles; Weakest: In the center

Front

Justin was comparing the potential energy of like poles and like charges. Which is true?

Back

The potential energy decreases as like poles and like charges move closer together.

Front

How does Earth's magnetic field protect life on Earth?

Back

It deflects solar wind and charged particles from the Sun.

Front

What happens when opposite poles of two magnets are brought close to each other?

Back

They attract each other.

Front

What happens if you cut a bar magnet in half?

Back

Each piece would have its own north and south poles.

Front

Purpose of magnetic field lines in a diagram?

Back

They represent the direction and strength of the magnetic field.

Front

What material would block or weaken a magnetic field?

Back

A thick block of iron

Front

Which of these can increase the strength of an electromagnet?

Back

Increasing the current flowing through the wire