B2CEFRVocabulary20 min

Vocabulary & Pronunciation: Wearable Technology

Wearable technology and smartwatches

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B2 English • 20 Minutes Lesson

Wearable Technology & Smartwatches

Master key vocabulary and spoken pronunciation for modern smart devices.

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👩‍🏫

For Teachers

Guide students through the word table, run the 16 practice activities, and complete the shadowing section within 20 minutes.
Use the built-in auto-grading and answer explanations to check responses together and give instant feedback.

🎒

For Learners

First, read the word table carefully and test yourself with the memory tips.
Next, complete the 16 interactive exercises and practice your speaking by recording your voice in the shadowing section.

Pattern Example

"The sensor is not always exact. Even so, it gives me a good idea of how much I walk."

1 Word table

📟 Theme 1: The Device

Word Meaning Common Collocations Example Sentence Memory Tip
sensor An electronic piece that detects light, heat, or movement. optical sensor, motion sensor The heart-rate sensor measures your pulse quickly. SENSE-or: it senses physical changes.
pedometer A device that counts steps taken on foot. digital pedometer, built-in pedometer My pedometer showed ten thousand steps today. PED = foot (like pedal). It measures steps.
wrist The joint connecting the hand to the arm. wear on wrist, wrist strap Fasten the smartwatch strap firmly around your wrist. WRIST sounds like TWIST your hand.
waterproof Not allowing water to pass through or damage it. fully waterproof, waterproof casing This watch is waterproof so you can swim with it. WATER + PROOF (protects against water).

📊 Theme 2: The Data

Word Meaning Common Collocations Example Sentence Memory Tip
pulse The regular beating rate of your heart. check your pulse, resting pulse After sprinting, my pulse rose to 140 beats per minute. PULSE rhymes with IMPULSE (heartbeat).
calorie A unit measuring energy in food or burned by exercise. burn calories, calorie count Running for thirty minutes burns over 300 calories. Think of HEAT (calor = heat in Latin).
accuracy How correct or exact a measurement is. high accuracy, GPS accuracy The GPS accuracy helps record exact running paths. ACCURATE = correct target hit.

⚡ Theme 3: The Use

Word Meaning Common Collocations Example Sentence Memory Tip
wireless Connecting without physical cables or wires. wireless connection, wireless charging The watch syncs via a wireless connection to your phone. WIRE + LESS = zero wires needed.
sync To transfer and update data between devices. sync data, sync automatically Sync your watch every evening to save your step history. Short for SYNCHRONIZE (make move together).
fitness The condition of being physically healthy and strong. fitness tracker, fitness goal Wearing a fitness tracker encourages me to exercise daily. FIT + NESS = state of being physically fit.

2 Practice

PART A

Collocation Matrix: Match each verb with its natural noun phrase

Verb
calories
watch on wrist
pulse
data
1. take (your)
____calories ____watch on wrist ____pulse ____data
2. burn
____calories ____watch on wrist ____pulse ____data
3. sync
____calories ____watch on wrist ____pulse ____data
4. wear
____calories ____watch on wrist ____pulse ____data
PART B

Gap-Fill: Complete the sentences using the Word Bank

Word Bank: waterproof pedometer sensor fitness

Item 5

"My new watch has an optical heart-rate ____ to monitor your body."

Item 6

"Make sure your device is ____ before you go swimming."

Item 7

"This app helps me track my daily ____ goals and exercise routines."

Item 8

"The built-in ____ measures how many steps I take each day."

PART C

Choose the Word: Select the word that fits the meaning best

Item 9

"The device connects through a _____ signal to your smartphone."

____ a. wireless ____ b. waterproof ____ c. fitness

Item 10

"I checked the _____ of the GPS during my outdoor run."

____ a. pedometer ____ b. pulse ____ c. accuracy

Item 11

"Press the button to _____ your workout history with the app."

____ a. pulse ____ b. sync ____ c. sensor

Item 12

"You can wear the strap around your _____ for continuous tracking."

____ a. accuracy ____ b. wrist ____ c. wireless
PART D

Sentence-Building: Reorder the given words into a correct sentence

Item 13

The optical sensor measures motion.
____ (Type complete sentence here...)

Item 14

This wireless pedometer tracks steps.
____ (Type complete sentence here...)

Item 15

Count every calorie and pulse.
____ (Type complete sentence here...)

Item 16

Waterproof watches boost fitness accuracy.
____ (Type complete sentence here...)

3 Shadowing

🎙️

Listen to the spoken audio, repeat out loud, and record your voice to practice clear pronunciation and natural rhythm.

1. Collocation 🔊 Listen

"sync your device"

[Bài tập luyện nói]

____
2. Collocation 🔊 Listen

"check your pulse"

[Bài tập luyện nói]

____
3. Collocation 🔊 Listen

"wear on wrist"

[Bài tập luyện nói]

____
4. Collocation 🔊 Listen

"track daily fitness"

[Bài tập luyện nói]

____
5. Sentence 🔊 Listen

"The sensor tracks your daily steps easily."

[Bài tập luyện nói]

____
6. Sentence 🔊 Listen

"Is this smartwatch completely waterproof for swimming?"

[Bài tập luyện nói]

____
7. Sentence 🔊 Listen

"I need to count every calorie I burn."

[Bài tập luyện nói]

____
8. Sentence 🔊 Listen

"Connect your watch using a wireless signal."

[Bài tập luyện nói]

____
9. Sentence 🔊 Listen

"You can sync your data with the app."

[Bài tập luyện nói]

____
10. Sentence 🔊 Listen

"The pedometer helps me stay active all day."

[Bài tập luyện nói]

____
11. Hard Word 🔊 Listen

"calorie"

IPA: /ˈkæl.ər.i/

[Bài tập luyện nói]

____
12. Hard Word 🔊 Listen

"accuracy"

IPA: /ˈæk.jə.rə.si/

[Bài tập luyện nói]

____

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