Question

The mass of Earth is made up of these parts.

oceans     1.4 × 1021kg

crust      2.6 × 1022kg

atmosphere   5.1 × 1018kg

mantle     4.043 × 1024kg

outer core   1.835 × 1024kg

inner core   9.675 × 1022kg

What is the order, from least to greatest, of the masses of each part of Earth? Order the parts from least to greatest, with 1 being the smallest mass and 5 the greatest mass.

1. Atmosphere

2.
3.
4.
5.
6.

Answer 1

To order the parts of Earth by mass from least to greatest, we'll first write out the masses clearly:

1. Oceans: \(1.4 \times 10^{21} \, \text{kg}\)
2. Crust: \(2.6 \times 10^{22} \, \text{kg}\)
3. Atmosphere: \(5.1 \times 10^{18} \, \text{kg}\)
4. Mantle: \(4.043 \times 10^{24} \, \text{kg}\)
5. Outer Core: \(1.835 \times 10^{24} \, \text{kg}\)
6. Inner Core: \(9.675 \times 10^{22} \, \text{kg}\)

Now, let's arrange them in order from least to greatest:

1. **Atmosphere:** \(5.1 \times 10^{18} \, \text{kg}\)
2. **Oceans:** \(1.4 \times 10^{21} \, \text{kg}\)
3. **Crust:** \(2.6 \times 10^{22} \, \text{kg}\)
4. **Inner Core:** \(9.675 \times 10^{22} \, \text{kg}\)
5. **Outer Core:** \(1.835 \times 10^{24} \, \text{kg}\)
6. **Mantle:** \(4.043 \times 10^{24} \, \text{kg}\)

Thus, the order from least to greatest mass is:

1. Atmosphere
2. Oceans
3. Crust
4. Inner Core
5. Outer Core
6. Mantle