Science – Hour _____
Date:___________
Name:____________________
Section 5 Soil Crossword
Directions: Use the slideshow to find your answers.
http://tinyurl.com/zac4j4a
Across
1. the color of organic matter in soil (Slide 5)
4. a way to make humus, which is a part of soil (Slide 1)
6. often contains clay and less humus (Slide 8)
9. each layer of soil within a profile (Slide 2)
12. this layer has larger rock pieces (Slide 4)
14. the spaces between the particles of soil (Slide 4)
15. a loose mixture of rock fragments, organic material, water, and air (Slide 2)
18. soil can support this (Slide 3)
19. has to do with the particle size (Slide 4)
20. this is required for soil to exist (Slide 6)
Down
2. can errode soil very quickly (Slide 7)
3. contains rock and little decayed matter (Slide 8)
4. can affect soil color (Slide 9)
5. measure of how acidic or basic a substance is (Slide 5)
7. top layer that contains the most humus (Slide 8)
8. affected by parent rock, climate, topography, living things, and time (Slide 12)
10. a vertical section of soil that shows the layers (Slide 2)
11. means it can grow plants (Slide 4)
13. this substance helps organic material move further down into the soil (Slide 7)
16. part of the soil from decayed plants and animals (Slide 2)
17. the color of soil that has iron minerals in it (Slide 5)