My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Earth & Space Ch.1

Across
A theory that has never been proven false
The pull of gravity on an object
Primary plant food element found in the ashes of burned fruit; think pot-ASH
Humus is formed as a result of this
Substances composed of two or more elements bonded together
For soil to drain well it must contain this
Substance having a pH of 10
Fertilizer labeled 10-8-14 would contain 10% of what element; alphabetical order
Measures amount of matter in an object
Legumes allow nitrogen-fixing bacteria to form swellings called _ on there roots.
Down
Farmer should apply this to crop when fruit starts to ripen;"firm up"
Soil mixture of sand, silt, clay, and humus
Plant with short stems, few leaves,and pale green need more of this
A sensible explanation to a scientific problem
Substances composed of only one type of atom
Measures how tightly packed matter is
Formed by lightning, nitrifying bacteria, and nitrogen-fixing bacteria