Across
- 2. To turn around in a circle, like a top or the Earth turning on its axis.
- 5. A mobile robot that explores the surfaces of planets and moons.
- 6. Instrument used by astronomers to see faraway objects
- 8. To watch something closely.
- 9. A big, hot ball of gas in space that gives light and heat to Earth.
- 10. The time when the Sun is shining, and it’s light outside.
- 12. A launch vehicle to take things like satellites, telescopes and humans into space
- 13. The time it takes the Earth to go all the way around the Sun once.
- 14. The planet we live on; it’s round and has land, water, and air.
- 15. An invisible line that the Earth spins around.
- 16. The final, valid answer to the research question after investigation was done.
- 18. The time when the Sun is not shining, and it’s dark outside.
- 19. A statement, giving your own answer to a research question.
- 20. A round object that goes around the Earth and shines at night because it reflects the sun’s light.
Down
- 1. A device in space, used for communication, weather forecasting and research.
- 3. Place where they live and conduct experiments and research
- 4. A question about how things are working after observing something closely.
- 7. To conduct experiments in order to find valid answers to research question
- 11. A way to measure time; there are 24 hours in a day.
- 17. The path that one object, like Earth, takes to go around another, like the Sun.