PHASE 2 ASSESSMENTS
PHASE 2.1 — FORMATIVE ASSESSMENT
Use the picture below to answer questions 1-4:
- The forward control button is wired up to GPIO pins __ and __ .
- The left control button is wired up to GPIO pins __ and __ .
- The right control button is wired up to GPIO pins __ and __ .
- The jump control button is wired up to GPIO pins __ and __ .
5. When a control button is pressed the circuit is ___, allowing current to flow through the wires.
C. Both open and closed
D. Neither open or closed
6. In the circuits created for the control buttons, energy was transferred from the __ through the ____ to the ___ and back to the Raspberry Pi.
A. buttons, wires, mouse
B. buttons, GPIO pins, screen
C. battery, GPIO pin, wire
D. battery, buttons, screen
7. When two wires connected to GPIO pins were touched together, why did you move you forward?
A. The circuit was closed and electric current is flowing through both pins.
B. The circuit was open and electric current is flowing through both pins.
C. The circuit was closed and electric current is flowing through one pin.
D. The circuit was open and electric current is flowing through one pin.
8. Which of these best describes the jumper wires used in your circuits?
A. Jumper wires are made of a substance that prevents electricity from jumping from one place to another.
B. Jumper wires help players jump over objects.
C. Jumper wires are made of a metal internal substance that conducts electricity and a protective insulator cover that does not.
D. Jumper wires are what mice use to play jump rope.
PHASE 2.2 — FORMATIVE ASSESSMENT
1. Which of these is classified as an output?
- All of these are outputs
2. Which of these is an input?
- All of these are inputs
3. What is the relationship between switches and buttons?
- A switch completes a circuit but a button does not.
- A button completes a circuit but a switch does not.
- A button is a type of switch that can be pressed to complete a circuit.
- A button can be pressed in a game but switches can’t.
4. Which of these best describes what occurs with the electrical current flow when switches are turned on and off?
- Current flows to the right when the switch is On and flows to the left when the switch is Off.
- Current can be controlled to behave like binary and either be 1 = ON or 0 = OFF
- Current flow cannot be controlled by turning a switch on or off.
- Current runs through a circuit even when a switch it turned off.
5. Which of these statements is FALSE about the control of electricity for buttons and switches?
- The button in our circuit needs to be held down to allow electricity to flow.
- Switches hold a binary number (1 or 0) depending on the position of the switch (On or Off).
- Buttons and switches cannot control the flow of electricity.
- Buttons and switches control the flow of electricity when turned on and off.
6. Why do we need two wires per component connected on the breadboard?
- To complete the circuit, electricity flows from the GPIO to the component on one wire, and from the component back to the GPIO on the other wire.
- Because one wire would be lonely without the other.
- In case one breaks we have a spare.
- To complete the circuit, electricity flows from the GPIO through both wires to the component.
7. Which of these best describes how the game knows a switch or button is pressed?
- The game doesn’t know, it is programmed to randomly do stuff every second
- The game is programmed to detect the state of the electricity going into the pin connected to the switch or button
- The game reads minds and knows what we intended to do
- The game is programmed to turn the output devices of switch and button on and off
PHASE 2.3 — FORMATIVE ASSESSMENT
1. Buttons and switches can be used on all types of electric and electronic devices, no matter the size.
2. Which of these statements is FALSE about polarity?
- Polarity is the direction of flow in an electric (or magnetic) field.
- Electric polarity has positive and negative poles.
- Polarity allows for the attraction and repulsion of charge (like magnets).
- Polarity has no effect on how an electrical component works.
3. In this picture of an LED, which "leg" is the negative pole?
- The long one
- The short one
- Both are negative
- It depends on how you place it in the circuit
- A piezo is a type of output that makes sound when current flows through it.
- The piezo buzzer in your kit has polarity.
- Piezo buzzers are never polarized.
- Polarized piezo buzzers have a mark indicating the positive pole.
5. In this circuit diagram, match the component number to the correct letter.
- Power source
6. Which of these is TRUE about the circuit diagram above? (See diagram in question 5)
- The current is not flowing.
- The buzzer is making a sound.
- The LED is on.
- There is no power source or battery.
7. In the Power Plant StoryMode level, Kinetic energy from the falling water is transformed by the generator into electrical energy and stored in the battery.
PHASE 2.4 — FORMATIVE ASSESSMENT
1. When one wire is disconnected in a __ circuit, all of the components will not function.
2. Which of these is FALSE for a parallel circuit?
- All components are wired separately, so more wires are needed.
- If one component fails, the others continue to operate.
- If one component fails, they all fail.
- Current flows in multiple branches at once from the same power source.
3. Identify the components in this circuit diagram.
- Power Source
4. What are the tiny (subatomic) particles that are flowing through a circuit called?
5. Annie made several circuit diagrams while designing her invention. In which circuit will the LED light shine?
6. Josh is helping hang a string of LED lights for a school party. On the box it says the lights are in a parallel circuit. Which of these statements is TRUE about the lights?
- Each light must have its own battery.
- If one light is broken, the other lights will stay lit.
- The lights are wired together in a series circuit.
- If one light is removed from the circuit, the other lights will not work.