1. What can you Observe About Earth’s Materials?
Chapter 4 Review
What can you Observe About Earth’s Materials?

2. Which is not an example of an Earth material
Which is not an example of an Earth material? Rock, Soil, Sand, or Apple
Apple

3. Solid, non-living materials found in nature that most rocks and soil are made are called ____________________.
minerals

4. Which property is the best one to use to identify a mineral and why?
Streak, because different minerals can have the same color.

5. Texture is an important property of rocks that you can touch
Texture is an important property of rocks that you can touch. Rocks with larger grains feel ________ and __________.
coarse and rough

6. Which two properties of rocks can you see with your eyes?
color and layers

7. Which example is not a mineral? Silver, Cinnamon, Quartz, and Gold

8. Soil forms as _______ break down into smaller pieces.
rocks

9. All soil is a combination of rock pieces, air, water, and _____________.
humus

10. There are 3 types of soil; clay, loam, and ________________.
Sand

11. Which soil type has the largest grains?
Sand… again

12. Rocks are made of humus. True or False?
False! They are made of minerals. Soil is made of humus (and other things too).

13. All 3 types of soil have humus, but which one has the most?
Loam-That’s why its color is the darkest

14. What does texture mean when talking about rocks and soil?
How does it feel? Rough or smooth, coarse or glassy

15. Boulders, Gravel, Sand, Soil, and Clay Largest to smallest
Boulders, Clay, Soil, Sand, and Gravel Put these Earth materials in order by size.
Boulders, Gravel, Sand, Soil, and Clay
Largest to smallest