Say words starting with 'B' & 'F' without moving your lips!
Try saying words that start with B and F while keeping your lips still, use a mirror to observe differences, and learn about speech sounds.
Step-by-step guide to say words starting with B and F without moving your lips
Step 1
Sit in front of the mirror so you can see your whole mouth clearly.
Step 2
On the paper write two headings: B words and F words.
Step 3
Under B words write five words that start with the letter B.
Step 4
Under F words write five words that start with the letter F.
Step 5
Put your index finger lightly on your throat so you can feel when your voice vibrates.
Step 6
Try to say your first B word while watching your lips in the mirror and keeping your lips still.
Step 7
Try to say your first F word while watching your lips in the mirror and keeping your lips still.
Step 8
Say each of the remaining B words one at a time while keeping your lips still and watching the mirror.
Step 9
Say each of the remaining F words one at a time while keeping your lips still and watching the mirror.
Step 10
Write one short sentence about whether your lips moved for the B words.
Step 11
Write one short sentence about whether your lips moved for the F words and whether your throat vibrated.
Step 12
Share your finished notes and what you learned about B and F on DIY.org.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
Help!?
What can we use if we don't have a mirror or paper?
Use a phone's front-facing camera as a mirror and type the B words and F words headings in a notes app or write them on sticky notes instead of paper.
I can't feel my throat vibrations or my lips keep moving — how can I fix that?
Press your index finger lightly on your throat and hum first to find the vibration, and if your lips keep moving practice with softer B and F words or mouth the sounds silently while watching the mirror.
How can I adapt this activity for younger or older kids?
For younger children, have a parent model in the mirror with two picture cards for B and two for F and help write the headings, while older kids can record themselves with a phone, write longer sentences about lip movement and throat vibration, and then post on DIY.org.
What are ways to extend or personalize the activity after finishing the steps?
Record a slow-motion video with the phone's front camera while you say each B and F word, add a third column on your paper for surprising observations, and include the clip and your written sentences when you share on DIY.org.
Watch videos on how to say words starting with B and F without moving your lips
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Facts about speech sounds and articulation
🗣️ "B" is a voiced sound — your vocal cords vibrate when you say words like "ball" or "baby".
👄 "B" is bilabial: you close both lips together and then pop them open to make the sound.
🦷 "F" is labiodental: your top teeth touch your bottom lip and air makes the buzzing sound for words like "fish".
🔍 Mirrors are used by speech therapists so you can see the difference: "B" shows lip movement, "F" keeps lips still.
🎯 Practicing B and F with fun games helps kids improve articulation and speech clarity fast.
