Science 6 Q4 Test Reviewer

Which layer of the Earth is in a liquid state of matter?

• Crust

• Inner Core

• Mantle

• Outer Core

Which is the best description of the characteristics of the asthenosphere?

• Solid, but flowing

• Liquid, but dense

• Hot, but solid metal

• Brittle, but shifting

The lithosphere is composed of rock that can be described as being...

• liquid.

• solid.

• dense.

• flowing.

Which of the following best describes a change one would observe in moving from Earth's crust downward to the outer core?

• Pressure would change from very high to none

• Density would change from least to most dense

• Plasticity would change from flexible to rigid

• Heat would change from relatively hot to cool

The lithosphere consists of the-

• upper mantle and crust.

• lower mantle and outer core.

• inner and outer core.

• crust and the entire mantle.

According to scientific data, which layer of Earth is the thickest?

• Crust

• Inner Core

• Mantle

• Outer Core

What layer of the Earth is composed of material of the highest density?

• Outer Core

• Inner Core

• Crust

• Mantle

Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer?

• A metal ball bearing (solid) suspended in oil (liquid)

• Gelatin (red semi-solid) on top of a cracker (brittle solid)

• A ball of clay (solid) filled with water (liquid)

• Rubber ball (flexible solid) painted red (thin solid covering)

Oceans and other bodies of water are found on which layer of the Earth?

• Outer Core

• Mantle

• Inner Core

• Crust

Which of the following would be an accurate feature to include in a model of the Earth?

• A crust that is the thickest layer.

• An inner core that contains oceans.

• A thin mantle in the center of the model.

• A liquid outer core below the mantle.