A material that electricity flows easily through. Metals are an example.
What are conductors?
200
Every magnet has two of these.
What are poles?
200
True or False: On Earth, magnetic north and true north are in the exact same place.
What is false?
200
A doorbell is an example of this.
What is an electromagnet?
200
This is the current that always flows in the same direction.
What is direct current?
300
Electricity flows in this direction.
What is from negative to positive?
300
Magnetic field lines travel in this direction.
What is from North to South?
300
A __________ helps you find direction by pointing to Earth's magnetic poles.
What is a compass?
300
This changes kinetic energy to electric energy.
What is a generator?
300
Group 18 on The Periodic Table is called this.
What are The Noble Gases?
400
This is the measurement for electric current.
What is volts?
400
If you pass an electric current through a coil of wire wrapped around an iron core, you make this.
What is an electromagnet?
400
The Earth's magnetic field protects us from this.
What is solar radiation or CMEs?
400
This changes the voltage of an alternating current.
What is a transformer?
400
This theory states that those organisms that are best suited to their environments are more likely to survive, reproduce, and pass on those beneficial traits to their offspring.
What is natural selection?
500
This is the current that switches direction many times every second.
What is alternating current?
500
The ________ the magnetic field lines are to each other the _________ the magnetic force is.
What is closer and stronger?
500
This is the name for the magnetic field of the Earth.
What is the magnetosphere?
500
When you cool a material to the point where it offers no resistance to the flow of electricity it becomes this.
What is a superconductor?
500
Binomial nomenclature tells you an organisms ____ & _____.