Q4 Science 5 Wk 1

It is breaking down of rocks into fragments.

• Erosion

• Flooding

• Runoff

• Weathering

A type of weathering that involves a change in the composition of the rock?

• Chemical weathering

• Both chemical and mechanical

  weathering

• Mechanical weathering

• Biological weathering

What do you call the process by which humans extract stones from the mountain for construction purposes?

• Digging

• Flattering

• Weathering

• Quarrying

What will happen to the rocks when it exposed to higher temperature?

• contracts

• evaporates

• expands

• sink

It occurs due to the activity of living things such as plants, animals, and microorganisms.

• Chemical weathering

• Physical weathering

• Biological weathering

• Mechanical Weathering

It is the breaking down of rocks into smaller fragments.

• Physical weathering

• Mechanical weathering

• Biological Weathering

• None of these

Which of the following situation mechanical weathering is involved?

• A jackhammer breaks away slabs of bedrock.

• The carbonate compounds dissolved in water can easily erode rocks.

• Acid rain sprinkles over cobblestones.

• Water in the cracks of rocks freezes.

Just like the skin of the avocado, the is the outermost layer, or “skin” of the earth.

• mantle

• crust

• outer core

• inner core

Geologists are able to extract materials from inside the earth by drilling through the crust.

• True

• False

The core has the hottest recorded temperature among all the layers.

• True

• False