Chapter 6 Review: Earth's Structure

Which of Earth’s systems makes up all the living organisms found on Earth?

• atmosphere
• biosphere
• geosphere
• hydrosphere

The more dense an object _____.

• the stronger the gravitational force
• the less affect it has on the magnetic field
• the more round the object
• the weaker the gravitational force

Glaciers are part of Earth’s _____.

• atmosphere
• cryosphere
• mantle
• outer core

Which belongs to Earth’s geosphere?

• oceans
• foxes
• carbon dioxide
• mountains

Which helped the newly formed Earth become a sphere in shape?

• the magnetic field
• gravity
• density
• elevation

Which statement is true?

• Earth was formed prior to the Sun.
• Earth became spherical in shape because the hydrosphere smoothed out the irregular bumps.
• When Earth was forming, the most dense materials collected together to form the core.
• The solar system was formed from a cloud called the biosphere.

Which objects does the force of gravity pull together?

• dust
• stars
• all objects
• metal objects

Scientists believe the deeper into the geosphere _____.

• temperature and pressure both increase
• temperature increases as pressure decreases
• temperature and pressure both decrease
• temperature decreases as pressure increases

The different layers formed on Earth are due to the differences in _____ of the materials.

• the mass
• the volume
• the climate
• the density

Which is a layer NOT found in Earth’s mantle?

• upper mantle
• asthenosphere
• lithosphere
• crust