UNIT – 3 TEST
ROCKS, THE ROCK CYCLE AND SOIL
FILL IN THE BLANKS
1. The word ____________ means fire.
2. Magma comes from the ___________.
3. All igneous rocks are made of ____________.
4. The most important characteristic of all igneous
rocks is that they are _______________.
5. ___________ cools quickly to form an extrusive
igneous rock.
6. The broken-up rocks wear away or erode the sides
and bottom of ________ _________.
7. Over millions of years the layers at the bottom get
more and more _______________ by the layers on
top of them.
8. Sedimentary rocks always form __________.
9. Sometimes only the ____________ of the animal on
the sediments is left behind.
10. Ammonites lived ______ ___________ years ago.
11. Metamorphosis means _________.
12. Magma rises up from the __________ and forms an
intrusive igneous rock ________.
13. Layers of sediments build up on the _____ _______.
14. The __________________ rocks help to make soil.
15. Shale ___________ into clay soil.
QUESTION/ANSWER
1. Explain three ways in which soil composition
changes.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
2. How can you make your own compost?
___________________________________________
___________________________________________
___________________________________________
___________________________________________
3. Name three types of soil and explain how they are
used and what they are needed for.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
4. Name some types of metamorphic rocks. Explain
how they are made and what they are used for.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
5. What are fossils? How do fossils form? And where
do we find them?
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
6. Name some sedimentary rocks. Explain what they
are made of and their properties.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
7. What is weathering? Explain with examples.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
8. What is sedimentation?
___________________________________________
___________________________________________
___________________________________________
___________________________________________
9. How are igneous rocks made? Name some igneous
rocks.
___________________________________________
___________________________________________
___________________________________________
___________________________________________