Science and Technology Crossword Puzzle

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Across
  1. 4. ____________ is the largest planet.
  2. 7. ___________ house is made of bricks, iron rod and cement.
  3. 9. A means of communication used to get desired information whenever we want.
  4. 10. ____________ of a body is the amount of matter in the body.
  5. 14. ______________ system
  6. 16. __________ system helps us to breathe air.
  7. 18. It makes food using water, sunlight and carbon dioxide.
  8. 22. Light does not pass through ________________ materials.
  9. 23. This bird have sharp curved claws called talons.
  10. 24. Man went to the Moon for the first time in a spacecraft called _____________.
  11. 26. An ____________ is produced when sound is reflected or bounced back to you.
  12. 27. ____________ system helps in digesting food.
  13. 29. _____________ system
  14. 30. The ___________ is the Earth's satellite.
  15. 32. ____________ is a force that opposes motion.
  16. 33. Foods with lots of sugar and starch are rich in _________________.
  17. 34. _________ transport is the most common means of trasport.
  18. 36. It is the fastest way to send written messages.
  19. 38. __________ system transports blood from heart to various parts of the body.
  20. 41. It is the movement of Earth around the Sun in a fixed path called orbit.
Down
  1. 1. __________ house is made of mud, sticks and straw.
  2. 2. _____________ is a force that pulls everything down towards the Earth.
  3. 3. This bird have long thin legs to wade through water.
  4. 5. ___________ is anything that has mass and occupies space.
  5. 6. ____________ system removes the waste from the body.
  6. 8. Good source of protein for a vegetarian person.
  7. 11. It fixes the plant in the soil.
  8. 12. House made of ice.
  9. 13. Spinning movement of the Earth about its axis is called ________________.
  10. 15. _____________ system gives shape and support to the body.
  11. 17. Light passes through ________________ materials.
  12. 19. Amount of space that a body occupies is called its _______________.
  13. 20. Bird uses its beak as needle to sew leaves with materials loke thread and wool.
  14. 21. ____________ is the smallest planet.
  15. 25. _________ system helps in producing young ones.
  16. 28. Our Earth is _____________ in shape.
  17. 31. There are _________ planets in our solar system.
  18. 35. It is a complete food because it contains proteins, fats, vitamins and minerals.
  19. 37. __________ transport is the fastest means to travel.
  20. 39. It supports the plant and carries water and food to different parts of the plant.
  21. 40. Light is a form of ____________.