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Grade 5 Science
| Question | Answer |
|---|---|
| Big bang | the beginning of the universe |
| Discovery | finding something new |
| Galactic | related to galaxies |
| Light-year | distance light travels in one year |
| Microgravity | very weak gravity |
| Constellation | a group of stars forming a pattern |
| Supernova | a star exploding |
| cosmic | related to space |
| mission | a planned space journey |
| countdown | numbers counted before launch |
| probe | a robot sent to explore space |
| rocket launch | sending a rocket to space |
| interstellar | between stars |
| observation | watching and studying |
| trajectory | the path of a moving object |
| star cluster | group of nearby stars |
| Astronomy | the study of space |
| moon | a object that orbits a planet |
| milky way | our home galaxy |
| orbit | the path an object follows in space |
| asteroid | a rocky object in space |
| meteor | a streak a light from space dust |
| meteorite | a rock that lands on earth |
| comet | an icy object that orbits the sun |
| gravity | the force that pulls objects together |
| universe | everything that exists in space |
| planet | a large objects that orbits a star |
| sun | the star at the center or our solar system |
| Astronaut | a person who travels in space |
| earth | our home planet |
| telescope | a tool for viewing distant objects |
| mercury | the closest planet to the sun |
| venus | the hottest planet |
| solar system | the sun and objects around it |
| spacecraft | a machine designed for space travel |
| satelite | an object that orbits earth |
| international space station | a space laboratory |
| rocket | a vehicle that travels to space |