Science in Everyday Life (simple machines, inventions, technology applications, scientific method)

Grade 6 Science — Science in Everyday Life (simple machines, inventions, technology applications, scientific method): 25 practice questions with instant scoring and explanations.

1. A simple machine is a device that:
2. The six simple machines are:
3. A lever consists of a rigid bar that rotates about a fixed point called the:
4. A pulley is used to:
5. An inclined plane makes work easier by:
6. A wedge is a simple machine used for:
7. A screw is essentially:
8. The mechanical advantage of a simple machine is:
9. A doorknob is an application of which simple machine?
10. Scissors are examples of:
11. The scientific method involves:
12. A hypothesis is:
13. A variable in an experiment is:
14. A control in an experiment is:
15. Microscopes are used to:
16. Thermometers are used to:
17. A graduated cylinder is used to:
18. The balance is used to:
19. Friction is useful in:
20. Friction is a disadvantage in:
21. Lubricants reduce friction by:
22. The wheel and axle work together by:
23. Which of the following is an everyday application of simple machines?
24. Observations in the scientific method are:
25. A successful experiment requires: