Unit 9: Electromagnetism

Front

What is Electromagnetism?

Back

Electromagnetism is a branch of physics that deals with the interaction between electric charges and magnetic fields. It encompasses electric fields, magnetic fields, and how they influence each other.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

NGSS.HS-PS4-3

Front

What are insulators?

Back

Insulators are materials that do not allow electric charges to flow freely. They have high resistance to electric current. Examples include rubber, glass, and plastic.

Front

What are conductors?

Back

Conductors are materials that allow electric charges to flow easily. They have low resistance to electric current. Examples include metals like copper and aluminum.

Front

What is the difference between conductors and insulators?

Back

Conductors allow electric current to pass through them easily, while insulators resist the flow of electric current.

Front

What is a magnetic field?

Back

A magnetic field is a region around a magnet where magnetic forces can be detected. It is represented by magnetic field lines that show the direction and strength of the field.

Tags

NGSS.MS-PS2-5

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. It can be turned on and off by controlling the current.

Tags

NGSS.MS-PS2-3

Front

What is the right-hand rule in electromagnetism?

Back

The right-hand rule is a mnemonic used to determine the direction of the magnetic field around a current-carrying conductor. If you point your thumb in the direction of the current, your fingers curl in the direction of the magnetic field.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

What is static electricity?

Back

Static electricity is the accumulation of electric charge on the surface of objects. It occurs when there is an imbalance of electric charges, often caused by friction.

Tags

NGSS.MS-PS2-5

Front

What is Ohm's Law?

Back

Ohm's Law states that the current (I) through a conductor between two points is directly proportional to the voltage (V) across the two points and inversely proportional to the resistance (R). It is expressed as V = I × R.

Front

What is a circuit?

Back

A circuit is a closed loop that allows electric current to flow. It consists of a power source, conductors, and a load (like a light bulb) that uses the electricity.