The document introduces key concepts about simple machines, including the six types (lever, screw, pulley, wheel and axle, inclined plane, and wedge) and how they function. It discusses compound machines like scissors, wheelbarrows, and bicycles. The goal is for students to investigate and understand simple machines and their uses, as well as examples found in school, home, and work environments.

1. Big Board Facts Welcome To

2. Matter NEXT

3. Matter NEXT

4. Simple Machines NEXT

5. The student will investigate and understand simple machines and their uses. Key concepts include types of simple machines (lever, screw, pulley, wheel and axle, inclined plane, and wedge); how simple machines function; compound machines (scissors, wheelbarrow, and bicycle); and examples of simple and compound machines found in the school, home, and work environment.

6. Science Project Compound Machine

7. Simple Machine

8. Simple Machine

9. Simple Machine

10. Measurement

11. Magnets

12. Matter 13 Which of these is an example of liquid water? A Frost B Ice C Rain D Steam Show Answer

13. Matter C rain Back to Board

14. Matter Show Answer If water gets into the crack of a rock and then freezes, the rock will MOST likely — F break apart G be able to float H become larger J change colors

15. Matter F Break apart Back to Board

16. Matter Show Answer Which of these causes the MOST evaporation of water from a lake? A Freezing of the lake B Heat from the Sun C Melting snow forming streams D Volcanic activity near the lake

17. B Heat from the sun Matter Back to Board

18. Matter Show Answer A glass jar broke into pieces when it fell on the floor. What is now different about the glass? F The material in the glass G The color of the glass H The total amount of glass J The shape of the glass

19. J Shape of the glass Matter Back to Board

20. Simple Machines Back to Board Which of the following is NOT a compound machine? A. scissors B. wheelbarrow C. ax D. bicycle

21. Show Answer C. ax

22. Back to Board Seesaw, crowbars, and shovels are examples of A. screws B. pulleys C. inclined planes D. levers

23. Show Answer D. levers

24. Back to Board Which of these objects is a type of screw? A. flagpole B. doorknob C. roller skates D. jar lid

25. Show Answer D. jar lid

26. Back to Board The blade of a knife is an example of F. a wheel and axle G. a pulley H. an inclined plane J. a wedge

27. Show Answer J. a wedge

28. Back to Board A simple machine made by wrapping an inclined plane around a cylinder is called a A. screw B., wheel and axle C. pulley D. lever

29. Show Answer A. screw

30. Show Question Which instrument would you pick to help you better observe a very small object? F. mirror , G. magnifying glass H camera J. telescope

31. Show Answer 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 G. magnifying glass

32. To End Which item below uses a magnet? A. can opener B. knife C. spoon D.frying pan

33. A. can opener

34. End It Authored by Jeff Ertzberger - 2004 University of North Carolina at Wilmington All rights reserved. All Clipart and Sounds Copyright Microsoft PowerPoint and Microsoft Office Gallery Online – All Rights Reserved. Some images have been modified from original version. This presentation may not be sold, or redistributed without written permission, and may only be used for non-profit educational use. Using and Distributing this Template You are free to use this template in non-profit educational settings. If you improve it, I ask that you send it back to me with your improvements so that I can share it with others. You will be given credit for your improvements. If your improvements include media such as: clip art, pictures, sounds, etc be sure that you obtain permission to use and distribute those before sending it to me. Send improvements to: [email_address]