Across
- 3. the energy transformation we use to convert mechanical energy to electrical energy
- 4. a unit used to measure force
- 5. a magnet that can travel through an electric current
- 7. any push or pull on an object
- 8. the unit that is used to measure work
- 11. the change in distance in an amount of time
- 13. the tool you use to see things very far away in outer space
- 16. the change in an object´s direction
- 18. planet a very minor planet that is not considered one of the main ones such as Pluto
- 21. a change in speed or velocity
- 22. the part of the atom that has a positive charge
- 23. the force that pulls us away from The Earth
- 24. a giant sphere in space in which helps make our solar system complete
Down
- 1. two forces that are equal in their sizes
- 2. a space rock that has mechanical energy (it can move around in outer space)
- 4. the part of the atom that has no charge at all
- 6. the amount of matter an object contains
- 9. System the process in outer space where we have specific planets in a specific order
- 10. energy the energy of movement on a person or object
- 12. the part of the atom that has a negative charge
- 14. a horizontal flying device in space that astronomists can observe
- 15. the energy transformation we use to convert electrical energy to mechanical energy
- 17. the arrow symbol that goes between what is happening in a chemical equation (like an equal sign in math)
- 19. the unit that is used to measure power
- 20. when two objects rub against each other