Science revision
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13 questions
| 🇬🇧 | 🇬🇧 |
| Inertia: an object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an external force. | Newton's first law |
| Force=mass x acceleration | Newton's second law |
| Every action has an equal opposite reaction | Newton's 3rd law |
| The distance light travels in a year | Light year |
| Average distance between the earth and sun | Astronomical unit |
| Everything was once compressed into an infinitly small point 15 billion years ago. | How did the universe begin |
| Protons and neutrons | 1 second after the big bang what was formed |
| They formed nuclei of simple elements (base elements) | 3 seconds after the big bang what did neutrons and protons form |
| Radiation era | What is the era 3-10,000 years after the big bang called |
| Matter-domination era | What is the era 300,000 years after big bang called |
| Stars are born | What happens 300 million years after big bang |
| The sun and solar system are born | What happened 10 billion years after the big bang |