Grade 6 | Unit 7 | Lesson 4: Ordering Rational Numbers | Practice Problems

• 1.3

Here are the boiling points of certain elements in degrees Celsius.

Element	Boiling Point (°C)
Argon	-185.8
Chlorine	-34
Fluorine	-188.1
Hydrogen	-252.87
Krypton	-153.2

List the elements from least to greatest boiling points.

Explain why zero is considered its own opposite.

Over several months, the weight of a baby measured in pounds doubles. Does its weight measured in kilograms also double? Explain.