Earth's Temperature and Pressure

Open Ended

Why do Earth's temperature and pressure increase as we go deeper into the planet?

Multiple Choice

Which of the following is a reason why pressure increases as you go deeper into the Earth?

• There is less air underground

• The weight of all the rock layers above presses down

• The temperature decreases with depth

• There is more water underground

Multiple Select

Which of the following are sources of heat inside the Earth?

• Radioactive decay

• Friction from rock layers moving

• Sunlight heating the surface

• Leftover heat from Earth's formation