MS-PS2-3: Electric and Magnetic Forces

Front

Magnetic Force Noun

---

[mag-net-ik forss]

Back

Magnetic Force

---

The force of attraction or repulsion a magnet exerts on another magnet, on iron, or on moving electric charges.

---

Example: Two magnets with similar poles facing each other show repulsion, illustrating magnetic force.

Front

Magnetic Field Noun

---

[mag-net-ik feeld]

Back

Magnetic Field

---

The invisible area of force extending out from a magnet where its magnetic influence can be detected.

---

Example: The image shows magnetic field lines around a bar magnet, illustrating the area where magnetic force is detected.

Front

Permanent Magnet Noun

---

[per-muh-nent mag-net]

Back

Permanent Magnet

---

A magnet that retains its magnetic properties for a long time without needing an external magnetic field.

---

Example: A bar magnet with 'S' and 'N' shows magnetic field lines, explaining how a permanent magnet retains its magnetism.

Front

Magnetic Poles Noun

---

[mag-net-ik pohls]

Back

Magnetic Poles

---

The two ends of a magnet, called the north and south poles, where the magnetic force is strongest.

---

Example: A bar magnet with field lines showing the north and south poles where magnetic force is strongest.

Front

Attract Verb

---

[uh-trakt]

Back

Attract

---

To pull together, which is the action that occurs between opposite poles of magnets.

---

Example: Opposite poles of magnets attract each other, shown with arrows indicating the pulling force.

Front

Repel Verb

---

[ri-pel]

Back

Repel

---

To push apart, which is the action that occurs between like poles of magnets.

---

Example: Magnetic field lines between like poles show how they repel each other.

Front

Induced Magnetism Noun

---

[in-doosd mag-nuh-tiz-uhm]

Back

Induced Magnetism

---

The process where a material becomes a temporary magnet when placed inside an external magnetic field.

---

Example: A magnet induces temporary magnetism in paper clips, making them act like magnets.

Front

Temporary Magnet Noun

---

[tem-puh-rair-ee mag-net]

Back

Temporary Magnet

---

A magnet that only keeps its magnetic properties while it is inside an external magnetic field.

---

Example: A coil of wire around a metal core becomes a magnet when current flows, showing a temporary magnet.

Front

Magnetic Materials Noun

---

[mag-net-ik muh-teer-ee-uhls]

Back

Magnetic Materials

---

Materials that have magnetic properties at the particle level and can be magnetized or are attracted to magnets.

---

Example: A magnet attracting paperclips shows how magnetic materials are drawn to magnets.

Front

Nonmagnetic Materials Noun

---

[non-mag-net-ik muh-teer-ee-uhls]

Back

Nonmagnetic Materials

---

Materials that are not attracted to a magnet because their particles do not have magnetic properties.

---

Example: The image shows various materials, helping students identify which are nonmagnetic by comparison.

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