Electromagnetic Forces

Electromagnetism is the interaction between _____ and _____.

• Magnets and Light Bulbs

• Open circuits and Closed circuits

• Potential energy and Kinetic energy

• Electric charges and Magnets

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The closer to the wire coils the _____ the magnetic field.

• What's a magnetic field?

• Stronger

• Weaker

• Same

Tags

NGSS.MS-PS2-3

A magnetic field applies what kind of force to objects around it?

• Normal

• Gravitional Force

• Magnetic Force

• Potential Energy

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which action would make an electromagnet stronger (able to pick up more paper clips)?

• Use thinner wire

• Add another D-cell into the circuit

• Wind fewer wraps around the core

• Wind the wraps loosely rather than tightly around the core

Tags

NGSS.MS-ETS1-1

What type of force is holding this balloon to the wall?

• Applied

• Gravitational

• Magnetic

• Electrical

When two magnets interact...

• like poles attract

• opposite poles repel

• nothing happens

• opposite poles attract

Tags

NGSS.MS-PS2-5

Can a steel nail pick up a paperclip?

• Always

• Never

• Only if the nail is touching a temporary magnet

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The greater the distance between magnets, the _________ the force between them.

• greater

• weaker

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Can magnetism go through objects?

• yes

• no

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

If an object has an ​ (a)   amount of positive or ​ (b)   electrons then it is considered to be electrically ​ (c)   . These objects can attract or ​ (d)   without touching which is also known as a non-contact force. If it doesn't then it is electrically ​ (e)   .

• unbalanced

• negative

• charged

• repel

• neutral

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5