Exploring the Interior of the Earth

What is the primary reason the inner core of the Earth remains solid?

• Low pressure

• High temperature

• Increased pressure

• Presence of water

Which elements are primarily found in the Earth's inner core?

• Carbon and Hydrogen

• Gold and Silver

• Copper and Zinc

• Iron and Nickel

Why is the outer core in a liquid state?

• It has less pressure compared to the inner core

• It is closer to the surface

• It contains more water

• It is made of different elements

What generates the convection currents in the outer core?

• Solar energy

• Wind

• Tidal forces

• Heat from the inner core

Tags

NGSS.HS-ESS2-3

What is the asthenosphere compared to in terms of its consistency?

• Molten lava

• Liquid water

• Solid rock

• Road tar softened by the sun

Which type of crust is thicker?

• Oceanic crust

• Continental crust

• Both are the same thickness

• Neither, they vary constantly

What causes convection currents to move within the Earth's mantle?

• Differences in temperature and density

• Earthquakes

• Solar radiation

• Magnetic fields

Which layer of the Earth is the most dense?

• Outer core

• Inner core

• Mantle

• Crust

What happens to the material in the mantle as it heats up?

• It evaporates

• It stays in place

• It rises

• It sinks

Tags

NGSS.MS-ESS2-1

Cooking an egg in a frying pan is an example of which type of heat transfer?

• Radiation

• Convection

• Evaporation

• Conduction