Magnetic Field
What shape does a magnetic field have around a magnet?
Sphere or Spherical
What are other terms we can use to talk about attractive forces?
Pull in, come together, moving towards, stick together.
What does it mean to be a permanent magnet?
What does it mean to be an electromagnet?
The magnetic field can be turned on and off with a battery.
What is my favorite color?
Green
When does an electromagnet have a magnetic field?
When electricity is flowing through the coils or When connected to a battery.
What are other terms we can use to talk about repulsive forces?
Push away, going a part, moving away.
How is a permanent magnet used in a levitating train?
How is an electromagnet used in a junkyard magnet?
An electromagnet is turned on to pick up junk metals and turned off to drop them in a new location.
What sport did I play in college?
Basketball
What other objects can a magnetic field attract?
Metal objects that react to magnets or Copper, Iron, Silver.
What ends of a magnet go together for attract? Repel?
Attract opposite sides are together (n-s) for repulsive same sides are together (s-s) or (n-n) .
How is a permanent magnet used in an electric motor?
A permanent magnet is used to attract and repel the electromagnet above to spin the tires.
How is an electromagnet used in levitating trains?
Electromagnets are used to pull the train forward with attraction and turn off to keep the train moving forward.
What state am I from?
Georgia
What kind of magnetic field will have a greater force when the two magnets are closer together?
Repulsion magnets have a great force when closer together.
How can we use forces to change the color of a light bulb?
By switching between attractive and repulsive magnetic fields from a battery
Why is a permanent magnet better than an electromagnet?
Permanent magnets have more power, they can be various sizes and materials.
How is an electromagnet used in an electric motor?
An electromagnet is used to spin the tires by having the magnetic field switch back and forth above a permanent magnet to create a spinning motion.
What was I for Halloween?
Miguel
How does a speaker use a magnetic field to produce sound?
A speaker will switch between attractive and repulsive forces to give different frequencies (pitch) we hear as different sounds.
Which has stronger forces as a magnet, electromagnet or permanent magnet?
Permanent Magnet has stronger forces.
Why is a permanent magnet not as good as an electromagnet?
A permanent magnet can't be turned off, an electromagnet is easier to switch between attractive and repulsive magnetic fields, electromagnets can easily change sound frequency and colors of lights.
Why is the electromagnet connected to the cone of the speaker?
The electromagnet is what is connected to the music player to produce different frequencies by changing magnetic fields, those frequencies produce vibrations in the coil of the magnet and then send those vibrations to the cone and that's what we hear as sound.
Where am I going for Spring Break?
Sedona, Arizona