20Q

[Dr.Death]

- is it a living beeing? -- No
- Is it useful to humans? -- Yes
- can it change its form? -- Yes
- is it bigger than average hand of human -- In the most cases No
- is it edible? -- No
- can it change its mass? -- No
- Is it a liquid? -- No
- can it be wore? -- No
- a chameleon? -- No
- Anything to do with electricity? -- No
- does it weight more than steel? (the material its made of) -- No
- Is it expensiv? -- No
- Is it a kind of toy? -- No
- a living thing? -- Still no
- Can I open somthing with it? -- No
- is it a folding rule? -- No
- is it a experimental thing? -- It is used in many experiments
- Is it usefull at school? -- Yes
- is it a putty eraser -- No
- can I write with it? -- No
- is it elastic? -- No
- Can I measure with it? -- Yes
- calipers? -- No
- can you measure a distance with it? -- Yes
- can you measure temperature with it? -- Yes
- thermometer? -- No
- can you measure more than distance and temperature with it? -- Yes

Can you measure speed with it?

Yes

Is it mainly used for checking the temperature?

No

Maybe i should mark all questions that lead in wrong directions :P It's such an easy word