NSTSE (National Science Talent Search Exam- Unified Council) Class 5: Questions 242 - 247 of 1420

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Question 242

Question

MCQ▾

Which of the following is a sedimentary rock consisting of calcium carbonate?

Choices

Choice (4)Response

a.

Limestone

b.

Granite

c.

Obsidian

d.

Pumice

Question 243

Question

MCQ▾

When comparing fossil A and fossil B, which of the statement is correct?

This Diagram Shows the Layers of Fossils

Choices

Choice (4)Response

a.

Fossil A is soil.

b.

Fossil A is older than B.

c.

Fossil B is igneous.

d.

Fossil B is older than A.

Question 244

Question

MCQ▾

Which of these is light-weight for a rock and it floats in water?

Choices

Choice (4)Response

a.

Limestone

b.

Obsidian

c.

Pumice

d.

Sandstone

Question 245

Question

MCQ▾

________ is the eating or wearing away of land by wind, water and ice.

Choices

Choice (4)Response

a.

Weathering

b.

Deposition

c.

Erosion

d.

All of the above

Question 246

Question

MCQ▾

Sandstone rock is composed mainly of sand-sized minerals or rock grains and it is made of quartz. What type of stone is sandstone?

Choices

Choice (4)Response

a.

Metamorphic rocks

b.

Igneous rocks

c.

Sedimentary rocks

d.

None of the above

Question 247

Question

MCQ▾

The picture shows a sedimentary rock. Which of these best statement shows that the sedimentary was formed from older rocks?

This Picture Shows a Sedimentary Rock

Choices

Choice (4)Response

a.

Over time the sediments can be cemented together

b.

The position of the sediments

c.

Wind and water can break rock into pieces

d.

None of the above

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