Micro:bit: Circuits

What is a variable?

• A list of steps for solving a problem.

• A set of rules that programs follow to execute when certain conditions are met.

• A language that a computer understands.

• A box that holds values.

What is a conditional? Choose all answers that apply.

• IF - ELSE IF - ELSE

• A set of rules that a program follows to execute code IF certain conditions are met.

• AKA, Conditional Statement

• A section of code that is in all computer programs.

A circuit is...

• Like lightning or static electricity.

• A pathway that electricity follows to power items.

• A pathway that only uses a wire.

• A pathway that only uses a power source like a battery.

True or False: Electrons flow from the positive terminal of a battery to the negative terminal.

• True

• False

Which one of the following items is NOT a good conductor for electricity?

• Copper

• Water

• Silver

• Plastic

What is an insulator?

• A material that does not easily conduct electricity.

• Surround many conductive metals used in electric circuits.

• Plastic, glass, and rubber.

• All of the above.

What is a load in an electric circuit?

• A part of a circuit that turns electricity on/off.

• A power source like a battery.

• A device that uses electricity in a circuit.

• The wires and battery in a circuit.

What does a switch do in an electric circuit?

• A switch turns a battery on and off.

• A switch controls the flow of electricity in a circuit.

• A switch is like an on/off button that opens and closes a circuit.

• Only B and C are correct.

• All of the above are correct.