Prática de Shadowing: What is Energy? - Aprenda a falar inglês com vídeo

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Energy is all around us.
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Scientists define energy as the ability to do work or cause change.
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We cannot see energy, but we can see the things that energy does.
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energy makes things move it powers the machines we use it can make things get hotter
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or produce sound energy is used to light up our homes
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and cities and power the vehicles we use all organisms need energy to grow reproduce and carry out life processes.
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Plants use the light energy from the sun to make food in the form of sugar.
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This energy is passed to animals when they feed on plants and other animals.
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There are two main forms of energy, kinetic energy and potential energy.
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Kinetic energy is the energy of movement.
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Mechanical energy, sound, light, heat and electrical energy are all examples of kinetic energy.
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You can learn more about these forms of kinetic energy in our related videos.
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energy is the energy something has due to its position, composition or state.
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The stored energy can be converted into various types of kinetic energy.
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Fuels such as petroleum, gas and wood contain a form of potential energy called chemical energy.
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When these fuels are burned, the chemical energy is converted into light and heat.
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Potential energy due to an object's position above the ground is called gravitational potential energy.
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A rock on top of a hill has gravitational potential energy.
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As it rolls down the hill, the potential energy is converted into kinetic as it is pulled down by the earth's gravity.
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An arrow in a bow has potential energy due to its position behind the drawn string.
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This is called Elastic Potential Energy.
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The elastic potential energy increases the more the string is drawn back.
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When the string is released, the potential energy is converted into kinetic energy as the arrow flies forward.
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That's pretty cool.
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Be sure to check out our related videos to learn more about different energy forms and conversions.
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Thanks for watching.
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Bye.
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Don't forget to subscribe!

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Vocabulário e dicas de fala para esta lição

Esta aula de conversação de nível B1 usa o vídeo “What is Energy?”. As palavras que mais se repetem: energy, potential, kinetic, converted, string. Este vídeo tem 28 frases e 337 palavras para praticar shadowing. A fala dura 3:00. O falante mantém um ritmo estável de cerca de 112 palavras por minuto, confortável para o shadowing. 86% das palavras estão entre as 3.000 mais comuns do inglês; vale a pena estudar o restante antes de começar.

Vocabulário principal deste vídeo

As 12 palavras mais avançadas do vídeo, com pronúncia e significado:

PalavraPronúnciaSignificado
kinetic adjetivo/kɪˈnɛtɪk/cinético
convert verbo/kənˈvɝt/converter, transformar
gravitational adjetivo/ˌɡɹævɪˈteɪʃənəl/gravitacional
elastic adjetivo/ə-/elástico
arrow substantivo/ˈæɹəʊ/flecha, seta
organism substantivo/ˈɔɹ.ɡəˌnɪz.əm/organismo
reproduce verbo/ˌɹi.pɹəˈdus/reproduzir
subscribe verbo/səbˈskɹaɪb/assinar
scientist substantivo/ˈsaɪəntəst/cientista
gravity substantivo/ˈɡɹævɪti/gravidade
conversion substantivo/kənˈvɝʒən/conversão
define verbo/dɪˈfaɪn/definir

Phrasal verbs que você vai ouvir

PalavraPronúnciaSignificado
carry out verbo/ˈkæ.ɹi aʊt/carregar
check out verboverificar, sacar só

Pronúncia para ficar de olho

  • Os sons de “sh” e “zh”: gravitational /ˌɡɹævɪˈteɪʃənəl/, conversion /kənˈvɝʒən/
  • Palavras longas — acerte a sílaba tônica: gravitational /ˌɡɹævɪˈteɪʃənəl/, organism /ˈɔɹ.ɡəˌnɪz.əm/

Como praticar com este vídeo

  1. Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
  2. Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
  3. Grave a sua voz e compare com o original, prestando atenção a palavras como kinetic, convert, gravitational.

O que é a Técnica de Shadowing?

Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.

Técnica de shadowing: leia o guia completo passo a passo →