Water
What is the most necessary ingredient for living organisms?
Answer: Water
What does irrigation mean?
Answer: Supplying water to crops
Which irrigation system sprays water through the air like rain?
Answer: Sprinkler irrigation
What does it mean to use water efficiently?
Answer: Using only the water plants need without wasting it
True or False: All farms use the same irrigation system.
Answer: False
What covers about ___ of the earth's surface
Answer: 70%
Why do farmers use irrigation?
Answer: To help crops grow when there isn’t enough rain
Which system uses long arms that rotate in a circle across a field?
Answer: Center pivot irrigation
Which irrigation system usually wastes the least amount of water?
Answer: Drip irrigation
Why is too much water bad for plants?
Answer: It can cause root rot or waste water
Answer: 97%, 2%, and 1%
Name one place irrigation water can come from.
Answer: Rivers, wells, lakes, or reservoirs
Which irrigation system delivers water directly to plant roots using tubes or hoses?
Answer: Drip irrigation
Name one way farmers can save water when irrigating crops.
Answer: Watering at the right time, fixing leaks, or using efficient systems
Which uses more water: flooding a field or drip irrigation?
Answer: Flooding a field
The _____ are the largest reservoir of water we know
Answer: Ocean
What might happen to crops if irrigation is not used during a long dry period?
Answer: Crops could stop growing, dry out, or die
Which irrigation system moves water through pipes and sprays it over crops?
Answer: Sprinkler irrigation
Why is watering crops at the wrong time of day less efficient?
Answer: Water can evaporate and be wasted
Why don’t all farms use the same irrigation system?
Answer: Different crops, land, water supply, and costs
____ is vital in keeping the water balance on earth
Answer: Rain
How does irrigation help farmers produce enough food for people?
Answer: It helps crops grow even when rainfall is low or uneven
Why might a farmer choose drip irrigation instead of sprinklers?
Answer: It saves water and delivers water directly to plant roots
How does drip irrigation help reduce water waste on farms?
Answer: It puts water directly at the roots with little evaporation or runoff
What could happen if a farm wastes too much water over time?
Answer: Water supplies could run low and farming could become harder