Science Study Guide pages 19-20

What is friction?

• A force that creates the motion of an object

• A force that opposes the motion of an object

• A force that has no effect on the motion of an object

• A force that supports the motion of an object

Which materials allow electricity to easily flow through them?

• Rubber

• Metals

• Plastics

• Wood

What is a closed circuit?

• A circuit with no electricity flow

• A circuit with only one component

• A circuit with no components

• A circuit with electricity flow

What is static electricity?

• The transfer of neutral particles between materials

• The absence of charged particles between materials

• The transfer of negatively charged particles between materials

• The transfer of positively charged particles between materials

What happens if there is an opening in a circuit?

• Electricity will flow within the circuit

• The circuit will produce more energy

• Electricity will not flow within the circuit

• The circuit will become more efficient

What can electrical energy be transformed into?

• Light energy

• Sound energy

• All of the above

• Heat energy

What creates a magnetic field when flowing through a wire?

• Light energy

• Heat energy

• Sound energy

• Electricity

Which of the following is an insulator?

• Copper

• Metals

• Rubber

• Aluminum

What is the central idea of electricity moving through circuits?

• Energy cannot be transformed into different forms

• Energy can move from one location to another through electrical circuits

• Energy can only be used for heating

• Energy can only be used for lighting

What is a simple circuit composed of?

• Bulb, battery, and resistor

• Bulb, battery, and switch

• Bulb, battery, and capacitor

• Bulb, battery, and wire