Our Universe - PowerPoint PPT Presentation

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Our Universe
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Our Universe

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  1. Our Universe • explained

  2. Our Universe is made up ofthree things: • Spacetime • Matter • energy

  3. Spacetime • The 3 Dimensions of Space plus the 4th dimension: time

  4. Matter • Anything that has mass and volume

  5. Energy • The ability to move or change matter

  6. 5 Forms of energy • mechanical energy • chemical energy • electromagnetic energy • nuclear energy • Heat energy

  7. mechanical energy • energy of moving matter • includes sound and motion

  8. chemical energy • energy stored in bonds between atoms • converted to other forms when bonds formed or broken

  9. electromagnetic energy • energy of light and electricity

  10. nuclear energy • energy stored in the nucleus of an atom. • converted to other forms when nuclei are split or fused

  11. Heat energy • Energy of fast-moving particles in matter

  12. energy • is the ability to move or change matter