Igneous Rocks Worksheet

Explore the formation, characteristics, and types of igneous rocks with this comprehensive worksheet for 6th graders.

Grade 6 Science Earth & Space ScienceIgneous Rocks

Use This Worksheet

Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseCustom

Standards

NGSS.MS-ESS2-1

Topics

scienceearth scienceigneous rocksrocksgeology

7 sections · Free to use · Printable

Igneous Rocks: Formation and Types

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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.

1. Igneous rocks are formed from the cooling and solidification of what?

Sediments

Magma or lava

Existing rocks under heat and pressure

Organic matter

2. What is the main difference between intrusive and extrusive igneous rocks?

Color

Where they cool and form

Their density

Their hardness

3. When magma cools slowly beneath the Earth's surface, it forms igneous rocks with large crystals.

4. Rocks formed from lava that cools quickly on the Earth's surface are called igneous rocks and often have very small or no crystals.

5. Describe how the cooling rate of magma or lava affects the crystal size in igneous rocks.

6. Granite is an example of an extrusive igneous rock.

True

False

7. Basalt is a common type of intrusive igneous rock found in oceanic crust.

True

False

8. Look at the image of the igneous rock below. Based on its appearance, do you think it is intrusive or extrusive? Explain your reasoning.