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
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