Physical Science Midterm

A/An ____ is described as the flow of electric charge or current equal to one coulomb per second.

• capacitor

• ampere

• capacitance

• volt

Tags

NGSS.HS-PS2-5

What do control rods do in a nuclear reactor?

• They absorb neutrons to stop the chain reaction.

• They absorb excess energy from the reaction.

• They control the temperature of the water.

• The fuel pellets are stored there.

Tags

NGSS.HS-PS3-1

Which of the following would be the best insulator?

• aluminum

• copper

• air

• silver

Tags

NGSS.MS-PS3-3

In a step-up transformer, the number of turns of wire is greater in the ____ coil than in the ____ coil, and the ____ voltage exceeds the ____ voltage.

• input, output, input, output

• output, input, output, input

• input, output, output, input

• output, input, input, output

A ____ is described as a device that converts chemical energy to electric energy.

• resistor

• lightbulb

• battery

• capacitor

Renewable organic matter, such as wood and rice hulls, are examples of ____.

• fission products

• fossil fuels

• biomass

• nuclear fuels

Tags

NGSS.MS-LS2-3

A ____ is described as a device with specific resistance and is used to control current.

• resistor

• battery

• parallel connection

• series connection

The thermal energy obtained from a nuclear reactor is used to make ____.

• fission products

• electricity

• nuclear waste

• steam

Tags

NGSS.HS-PS3-4

Which of the following statements is true about electric forces?

• Electric forces cause objects to repel or attract each other.

• Electric forces cause objects to only repel each other.

• Electric forces cause objects to only attract each other.

• Electric forces have no effect on each other.

Tags

NGSS.MS-PS2-5

NGSS.MS-PS2-3

Current that does not reverse direction is called ______.

• direct current
• alternating current
• magnetic current
• circuit current