Across
- 9. A gentle change in color or slope.
- 11. An object that attracts iron and steel.
- 12. The distance from the center of a circle.
- 13. A detailed drawing used for building.
- 15. To watch something carefully.
- 17. A tool used to measure length.
- 18. A machine that can be programmed to do tasks.
- 20. A part of a whole.
- 24. What makes things move or change.
- 26. The force that pulls things toward Earth.
- 27. How much space something takes up.
- 28. Instructions a computer follows.
- 31. A single number from 0 to 9.
- 32. An imaginary line something rotates around.
- 34. Someone who creates a new device or idea.
- 35. A closed path through which electricity flows.
- 36. The study of numbers, shapes, and patterns.
- 37. A simple machine using wheels and ropes.
Down
- 1. The study of substances and how they interact.
- 2. Facts and information collected for analysis.
- 3. A large object that orbits a star.
- 4. A wheel with teeth that helps machines move.
- 5. A machine that makes something move.
- 6. A symbol for a number we don't know yet.
- 7. A plan for making or building something.
- 8. When something is the same on both sides.
- 10. A person who designs and builds things.
- 11. How much matter is in an object.
- 14. The smallest part of a digital image.
- 16. A push or pull on an object.
- 17. A robot vehicle used to explore space.
- 19. Language used to tell computers what to do.
- 21. Formed where two lines meet.
- 22. A simple machine that helps lift things.
- 23. The smallest unit of matter.
- 25. A math sentence that shows two things are equal.
- 29. How closely packed the particles are.
- 30. What something is made of.
- 33. The study of the natural world.