WONDER #1600: How Does a Scale Work?

Question 1 of 3

The basic balance scale dates back over 5,000 years and was probably developed in what ancient civilization?

1. Egypt
2. Sumeria
3. Babylon
4. Greece

Question 2 of 3

The amount of force on an object due to gravity is its what?

1. length
2. width
3. depth
4. weight

Question 3 of 3

Spring scales measure weight using which scientific law?

1. thermodynamics
2. gravity
3. Hooke's law
4. Newton's law

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