Long Quiz 10 -Science

1) Which of the following is NOT a sub-layer of the mantle?

• A. Asthenosphere

• B. Mohorovicic discontinuity

• C. lower mantle (mesosphere)

• D. outermost rigid mantle layer

2) Which makes up the Earth’s lithosphere?

• A. uppermost solid mantle and crust

• B. soil layer and the porous rock layer

• C. continental crust and oceanic crust

• D. oceans and continental landmasses

3) What theory states that the Earth’s lithosphere is divided into segments called

plates?

• A. hotspot theory

• B. plate tectonic theory

• C. continental drift theory

• D. seafloor spreading

4) How many MAJOR segments are there in the Earth’s lithosphere?

• A. eight

• B. nine

• C. seven

• D. six

5) Where are most earthquake epicenters, volcanoes and mountain belts found?

• A. far away from tectonic plate boundaries

• B. along or near the tectonic plate boundaries

• C. at the center of most continental landmasses

• D. at the oceans in between tectonic plate boundaries

Answer explanation

7) The asthenosphere sublayer of the mantle is said to have some plasticity.

What does this mean?

• A. This layer is very rigid and does not flow or move.

• B. Organic substances compose the majority of this layer.

• C. The temperature of this layer is cooler than those above it.

• D. Materials in this layer are partially melted and flow like a fluid.

6) Which of the following is NOT a minor tectonic plate?

• A. African plate

• B. Caribbean plate

• C. Nazca plate

• D. Philippine plate

8) Which plate tectonic boundary is nearest to the Philippines?

• A. Pacific plate – Philippine plate boundary

• B. Eurasian plate – Philippine plate boundary

• C. Philippine plate – Australian plate boundary

• D. Philippine plate – North American plate boundary

9) Which of the following is NOT a basis for identifying where the boundaries

between tectonic plates lie?

• A. location of volcanoes

• B. where mountain ranges are located

• C. distribution of earthquake epicenters

• D. temperature difference on Earth’s surface

10) What can be inferred about the Philippines based on its location in relation to

the tectonic plates?

• A. There are a lot of earthquakes and volcanism.

• B. There is very minimal earthquakes and volcanism.

• C. There are a lot of earthquakes but minimal volcanism.

• D. There are a lot of volcanisms but minimal earthquakes.