Hydroponics
Flashcard
•
Science
•
9th - 12th Grade
•
Hard
Gretta Nelson
FREE Resource
Student preview
8 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is hydroponics?
Back
Art of soil-less growing
2.
FLASHCARD QUESTION
Front
What is needed for plants to survive?
Back
Water, sunlight, air, nutrients, anchorage
3.
FLASHCARD QUESTION
Front
What is an example(s) of growing media?
Back
rockwool, lava rocks, styrofoam, sand, gravel
4.
FLASHCARD QUESTION
Front
Earliest documentation of Hydroponics?
Back
Egyptians-floating gardens
5.
FLASHCARD QUESTION
Front
What is a Passive System?
Back
No moving parts, portable
6.
FLASHCARD QUESTION
Front
What is an Active System?
Back
Moving parts, pumps, moving nutrients
7.
FLASHCARD QUESTION
Front
On a pH scale, acidic range is?
Back
1-6
8.
FLASHCARD QUESTION
Front
Ideal pH range for Lettuce?
Back
pH 7.0
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