Optics
Fields
Electricity
Electricity continued
Last Things
100

A spherical surface curving toward the object or image in front of it (depending on which way the component is facing).

What is concave?

100

Three fields

What are gravitational, magnetic, and electric?

100

Stationary accumulation of charged particles.

What is static electricity?

100

DC means

What is direct current?

100

Electrical pressure that forces charge to flow.

What is voltage?

200

A spherical surface curving away from the object or image. 

What is convex?

200

This causes a gravitational field.

What is mass?

200

Two types of charged particles.

What are protons and electrons?
200

AC means

What is alternating current?

200

A device that regulates electric current.

What is a resistor?

300

This can be seen and projected onto a screen.

What is a real image?

300

An isolated electron creates

What is an electric field?

300

The pump in a water circuit is equivalent to what in an electrical circuit. 

What is a battery?
300

Static electric forms by

What are friction, conduction, and induction?

300

When the presence of nearby charges causes movable charges in a metal to accumulate.

What is induction?

400

CCD stands for

What is a charge-coupled device?

400

This lowers AC voltage while also lowering or raising the current.

What is a transformer?

400
The water filter is equivalent to

What is a resistor?

400

Moving charge

What is electric current?
400

A substance that does not conduct electricity. 

What is an insulator?
500

An objective and eyepiece is found in a 

What is a telescope?
500

The strength of the induced current is proportional to the number of turns in the coil and to the rate at which the flux through the coil is increasing or decreasing.

What is Faraday's law?

500

The pipe is equivalent to

What is a wire?

500

Electrons flow easily

What are metals?

500

A machine that uses an engine to rotate a coil of wire in a magnetic field, producing electric current. 

What is a generator?