Vocabulary
What is a material that allows electricity to flow easily?
What is a conductor?
Is copper a conductor or an insulator?
Conductor
What type of object does a magnet attract?
Magnetic materials like iron, steel, or cobalt
When completing a scientific investigation, how many variables should you change at once?
One
Why are wires coated in plastic?
To insulate and protect from electric shock
What do we call a material that resists the flow of electricity?
What is an insulator?
Name two materials that are good insulators.
Plastic, rubber, glass, or wood
What will a magnet attract: plastic fork, wooden spoon, or iron nail?
Iron nail
What should you do with your data during an investigation?
Record observations carefully
What happens if a magnet gets too far from a metal object?
It may not attract it anymore
What is the invisible area around a magnet where magnetic forces are felt?
What is a magnetic field?
Why is copper used in wiring?
It is an excellent electrical conductor.
Name one metal that is magnetic.
Iron, nickel, or cobalt
What can help you find answers during an investigation?
Look for patterns in the data
What household items are magnetic?
Fridge magnets, screws, paper clips
What does it mean when two magnets repel each other?
They push apart.
Is steel a conductor or an insulator?
Conductor
How could you use sheets of paper to test a magnets strength?
Layers of paper between the magnet and an object
What material would a magnet NOT attract: metal spoon or plastic spoon?
Plastic spoon
What do magnets and electricity have in common?
Both involve forces and can interact (like in electromagnets)
What does the term "attraction" mean in magnetism?
Magnetic forces pull objects toward each other.
Which of these is an insulator: aluminum, glass, or steel?
Glass
Why might a magnet stop working on a fridge if you add too many papers?
The distance weakens the magnetic force.
Why is it important to keep most variables the same during an investigation?
To ensure you know what caused the change
If a wire is made from rubber, will electricity flow? Why or why not?
No, rubber is an insulator