ET_WK14

Front

What type of change alters the structure of a substance?

Back

chemical

Front

Which is an example of a physical change? Options: a nuclear reaction to make electricity, Dissolving sugar in water, Burning wood to ash, cutting paper

Back

cutting paper

Front

What subset type of properties are tested by applying a force?

Back

Mechanical properties

Front

What is density?

Back

Density is mass (or amount of stuff) per unit volume.

Front

What type of property is magnetism?

Back

A physical/ material property

Front

A simple electric generator is

Back

A device that converts mechanical energy to electrical energy, or a backwards motor.

Front

If you increase the number of coils (represented by N) in a simple generator, what happens to the electric?

Back

The electric output increases.

Front

What is used for a moderator in most cores?

Back

Water

Front

How are steady rates of energy production maintained in nuclear reactors?

Back

Raising and lowering control rods and coolant systems to regulate fission and heat removal.