Shadowing Practice: Friction and Gravity | MightyOwl Science | 3rd Grade - Learn English Speaking with Video
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Hello, this is Mighty Owl.
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Can you think about a time when you were riding your bike and you applied the brakes?
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The bike slowed down, right?
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Well, did you ever wonder why?
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Here's the answer.
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There are forces around us that cause changes to the motion of objects.
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Let me explain.
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A force that opposes motion is called friction.
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It has the power to slow things down.
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Friction is present wherever two surfaces rub over each other, such as using the brakes on a bike to stop or to slow down.
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When you use the brakes on your bike, the brake pads apply friction to the tires, and this friction slows down the motion of the bike.
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Think about riding your bike down a hill and how important friction is.
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Right?
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Friction is a force that pushes against an object to slow its motion.
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When you're riding your scooter, for example, you drag your foot on the ground to slow it down or even stop the scooter.
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You may have used friction in your life without even realizing it.
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But why does friction even exist?
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Well, friction occurs because no surface is 100% perfectly smooth.
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Rougher surfaces like grass create more friction.
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Have you ever tried to roller skate on grass?
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It's pretty difficult.
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You might even drip and fall.
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But how about roller skating on the sidewalk in front of your house?
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Well, that would be easier because the sidewalk is smoother than the grass, and therefore there's less friction.
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You can see examples of friction all around you.
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When you write with a pen, the frictional forces between the pen
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and the paper cause some of the ink particles to stick to the surface of the paper.
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Have you ever rubbed your hands together to keep warm?
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The friction between your skin causes some of the energy of motion to be converted into heat.
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Before matches were invented, people used to rub two sticks together to start a fire.
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Just be careful if you decide to try that one out yourself.
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Now the next time you walk around, think about your feet pushing off the ground.
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You're applying frictional force.
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But you might want to be careful if you're walking on an icy sidewalk sidewalk, it can get tricky because it's quite smooth and there isn't much friction for your feet to use as a grip.
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If you slip and fall, well, that's another force entirely.
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In fact, the force that pulls things down to the center of the earth is called gravity.
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That's why when you jump up from the ground, you fall back no matter how hard you try to stay up in the air.
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Wait a What about astronauts jumping on the moon and slowly falling down?
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Well, gravity also exists on the moon, but it's not as strong as it is on the Earth.
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That's why astronauts can jump higher and fall back down more slowly, because the Moon is much smaller than our planet, and its gravity is less.
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Gravity is also what holds the Earth
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and all the rest of the planets in our solar system in their orbits around the Sun.
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Thank goodness for that!
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or else our Earth would spin away from the sun and float out into outer space.
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So to sum up everything so far, gravity is a pulling force that keeps us on the ground.
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Without it, we would all be floating around in the air.
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Now that might sound great, but can you imagine if there was no gravity on Earth?
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You wouldn't be able to run, lay in your bed, or even play basketball.
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Without gravity, if you kicked a ball, It would fly away in space and it would never come back.
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Now you can't see or touch gravity, but it's always there.
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In fact, no matter how heavy or light an object is, gravity will still pull it back down to the ground.
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You can climb up a ladder and drop a watermelon, a feather, or a ball.
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It doesn't matter.
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They will all still fall back down to the ground.
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Imagine for a second you have a cannon and you shoot a cannonball straight up into the sky.
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No matter how high it goes, gravity will pull it back down to the ground.
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But what if you threw a ball away from you?
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Yep, gravity will also pull it back to the ground.
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The force of gravity brings things down no matter what direction you throw them.
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Wow, you know so much about forces now.
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But maybe something you didn't know?
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All of them in fact work together.
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Take a look at what I mean.
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Imagine you push a ball down a ramp.
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The push gets the ball rolling.
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Gravity pulls the ball down the ramp.
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Friction pushes back and slows the ball's motion.
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At the bottom of the ramp, the ball bumps into a wall.
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The wall pushes back on the ball and stops it from rolling forward.
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Well there you go!
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All the forces we talked about do really work together in real life.
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Two new forces from today, friction and gravity.
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The force that opposes motion is called friction, and it has the power to slow things down.
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The factors that affect friction are the roughness of the surfaces and the force between the two objects.
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When you drop something on the ground, it falls because of gravity.
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Gravity is a pulling force that pulls things down to the ground.
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I think that's enough about forces for today.
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See you in the next video lesson.
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Thank you.
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Vocabulary and speaking notes for this lesson
This A2 speaking lesson is built on the video “Friction and Gravity”. The speaker keeps coming back to these words: friction, gravity, force, ground, ball. This video has 79 sentences and 938 words to shadow. The speech runs for 5:31. The speaker talks at a natural 170 words per minute, close to everyday conversation. 83% of the words are among the 3,000 most common in English; the rest is worth studying before you start. 12 of its 79 sentences are questions, so it is good practice for question intonation and short answers.
Key vocabulary in this video
15 words from the video worth learning, with pronunciation and meaning:
| Word | Pronunciation | Meaning |
|---|---|---|
| friction noun | /ˈfɹɪkʃən/ | The rubbing of one object or surface against another. |
| gravity noun | /ˈɡɹævɪti/ | Of an activity such as a ceremony, a person's conduct, etc.: the quality of being deeply serious and solemn, especially in a dignified manner; seriousness… |
| sidewalk noun | /ˈsaɪdwɔk/ | A paved footpath located at the side of a road, for the use of pedestrians. |
| smooth adjective | /smuːð/ | Having a texture that lacks friction. Not rough. |
| grass noun | /ɡɹɑːs/ | Any plant of the family Poaceae, characterized by leaves that arise from nodes in the stem and leaf bases that wrap around the stem, especially those grown as… |
| brake noun | /bɹeɪk/ | A device used to slow or stop the motion of a wheel, or of a vehicle, usually by friction (although other resistive forces, such as electromagnetic fields or… |
| roller noun | /ˈɹoʊlɚ/ | Any rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure. |
| float verb | /fləʊt/ | To be supported by a fluid of greater density (than the object). |
| oppose verb | /əˈpoʊz/ | To attempt to stop the progression of; to resist or antagonize by physical means, or by arguments, etc.; to contend against. |
| skate noun | /skeɪt/ | A runner or blade, usually of steel, with a frame shaped to fit the sole of a shoe, made to be fastened under the foot, and used for gliding on ice. |
| astronaut noun | /ˈæstɹəˌnɔt/ | A member of the crew of a spaceship or other spacecraft that travels beyond Earth's atmosphere, or someone trained to serve that purpose. |
| scooter noun | /ˈskuːtə(ɹ)/ | A kick scooter or push scooter; a human-powered land vehicle with a handlebar, deck and wheels that is propelled by a rider pushing off the ground. |
| lesson noun | /ˈlɛs.ən/ | A section of learning or teaching into which a wider learning content is divided. |
| occur verb | /əˈkɜː/ | To happen or take place. |
| dragon noun | /ˈdɹæɡən/ | In European mythologies, a gigantic beast, typically reptilian with leathery bat-like wings, lion-like claws, scaly skin and a lizard-like body, often a… |
Phrasal verbs you will hear
| Word | Pronunciation | Meaning |
|---|---|---|
| fall back verb | To retreat. | |
| slow down verb | To decelerate. | |
| come back verb | To return to a place. | |
| fall down verb | /fɔl ˈdaʊn/ | To fall to the ground. To collapse. |
| push back verb | To refute or argue against a position or an accusation; to express one's own view on a situation. | |
| push off verb | To go away; to get lost. | |
| roll forward verb | To extend a condition, investment, position or benefit into a subsequent period. | |
| sum up verb | To produce a total by adding. |
Sentences worth repeating
Short, complete lines from the video that you can reuse in everyday conversation:
- Have you ever tried to roller skate on grass?
- Have you ever rubbed your hands together to keep warm?
- But maybe something you didn't know?
- I think that's enough about forces for today.
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Passive voice be + past participle — the focus is on what happens, not who does it | is called · be converted · were invented |
| Present perfect have/has + past participle — a past action that still matters now | Have you ever tried · Have you ever rubbed |
| Possibility with “might / may” might/may + verb — something that is possible but not certain | may have · might even drip · might want |
| Comparatives -er than / more … than — comparing two things | smoother than · smaller than |
Pronunciation to watch
The speaker uses 8 contractions and reduced forms, such as you're, can't, didn't. Say them the short way, as you hear them.
- The “th” sounds: smooth /smuːð/, feather /ˈfɛðə/
How to practise with this video
- Listen to the whole video once without speaking and note the words you do not know.
- Start at 0.75× speed, shadow it sentence by sentence, then go back to normal speed once it feels easy.
- Record yourself and compare with the original, paying attention to words like friction, gravity, sidewalk.
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.