Smart Doorbell - Student Workbook

Warm Up - “How does it work?”

Look at the image below and bulleted notes as to how you think it works as a security system.

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Mini-lesson Keyword Review Fill in the blanks with the appropriate keyword using the work bank below.

Sensor

Infrared sensor

Magnetic sensor

Temperature sensor

Heat sensitive sensor

1. A _______________________ is used to detect changes and when used as an input will trigger an output.

2. An ____________________________ can be used in a security system which will set an alarm off when the beam is broken.

3. A _____________________________ will detect a change when a person is in the room due to the heat generated.

4. The heating within a house/building can be controlled when a ________________ is used.

5. Within a mobile device is an electronic compass used for navigation and this is developed using a _____________________.

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Let’s Discuss

In your workbook or with a partner, record, discuss, or share ​on example of how a sensor can be useful to completing an everyday task.

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Challenge 1 Look at the pictures and read the steps that describe Challenge 1.

What happens first? Second? Third? Write the number of the step to match each picture.

Step 1 has been completed for you.

Steps

Instructions

Workspace

Test your system.

Step 1.

Start with the system from the worked example.

Drag a Camera Block and a Sound Player block onto the workspace.

Connect them to the Toggle block.

Drag a Toggle block onto the workspace. Connect it between the Light Sensor and RGB LED blocks.

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Set the Sound Player block to ‘Doorbell’.

We can use transitional phrases to talk about the order events or actions that take place. Practice using transitional phrases when presenting your system.

Time & Sequence

Compare (+)

Contrast (-)

Cause and Effect

first/second/third

also

but

because

next

equally

however

so

after

likewise

otherwise

therefore

then

in addition

on one hand… ...on the other hand

as a result

finally/overall/to sum up

similarly

opposite

due to

Ⓒ 2018 SAM Labs

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