3.2.25

Vacuums

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Vacuums

There is no air in a vacuum.

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Vacuums

  • The word is from the Latin vacuus meaning void
  • There is a famous film tagline “in space no one can hear you scream”
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Waves in vacuums

  • In a vacuum there are no particles or matter
  • This means sound cannot travel in a vacuum
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Air resistance in a vacuum

  • Air resistance is when air molecules push against an object moving through air
  • Because there is no air there is not any air resistance on an object in outer space

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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