If a crane moves a rock upward for 25 m with a force of 20,000 N, how much work did the crane use?

• 500,000 J
• 800 J
• 45,000 J
• 5,000 J

_________________ is the difference in electrical potential energy between two places in a circuit. Measured in Volts (V).

• Friction
• Electric charge
• Voltage
• Parallel Circuit

Tags

NGSS.MS-PS3-2

____________________ _______________ is a property that causes subatomic particles (protons and electrons) to attract or repel each other.

• Friction
• Electric charge
• Voltage
• Parallel Circuit

Tags

NGSS.MS-PS2-3

____________________ _______________ is a circuit that contains more than one path for current flow.

• Friction
• Electric charge
• Voltage
• Parallel Circuit

___________________ is a material that does not allow heat or electrons to move through it easily.

• Conductors
• Insulator
• Fuse
• Ammeter

Tags

NGSS.MS-PS2-3

____________ is a safety device with a thin metal strip that will melt if too much current passes through a circuit.

• Conductors
• Insulator
• Fuse
• Ammeter

_______________ are materials which allow charges or heat to move through them.

• Conductors
• Insulator
• Fuse
• Ammeter

_______________ _________________ is an electric circuit with a single path.

• Electrons
• Electric current
• Series Circuit
• Circuit Breaker

______________ __________________ is a flow of electric charge. Measured in Amperes (A).

• Electrons
• Electric current
• Series Circuit
• Circuit Breaker

_________________ _________________ is a switch that opens when the current in a circuit is too high.

• Electrons
• Electric current
• Series Circuit
• Circuit Breaker

Tags

NGSS.MS-PS3-5