8th Grade Science - Final Exam accommodated

1. What matter is cycled in the atmosphere?

• A. birds
• B. solar energy
• C. air particles

2. Which of the following is NOT true about the geosphere?

• A.It is made up entirely of solid material.
• B. It contains iron, magnesium, and oxygen.
• C. It is made up of the crust, mantle, and core.

3. If a foam block floats in a container of syrup but a lead weight sinks, which is the LEAST dense material?

• A. foam
• B. syrup
• C. The materials are equally dense.

4. When objects transfer energy through touch, that process is called _______.

• A. radiation
• B. conduction
• C. densification

5. Changes to Earth's surface happen at ______ time scales and _______ spatial scales.

• A. all; all
• B. only slow; only small
• C. only fast; large and small

6. The process of _______ occurs when large landmasses move, like when Pangea broke apart.

• A. plate shift
• B. continental drift
• C. landmass movement

7. What is the lithosphere?

• A. another name for Earth's crust
• B. the outer, rigid part of the mantle and the crust combined
• C. the part of the core that is the closest to the mantle where it is the coolest

8. The Pacific ______________ is a region of heavy volcano and earthquake activity.

• A. Lava Circuit
• B. Ring of Fire
• C. Circle of Volcanoes

9. Tectonic plate motion is mainly caused by _______________.

• A. convection cells in the mantle
• B. the shaking caused by earthquakes
• C. the pull of the moon on the oceans

10. Which word describes the process by which a collision between two tectonic plates forces the denser plate under the less dense plate?

• A. submarine
• B. substitute
• C. subduction