click below
click below
Normal Size Small Size show me how
4th Agriculture
CCS 4th Gr Science FK3
Question | Answer |
---|---|
agriculture | the science of growing plants and animals on farms |
crop | a plant that people grow for consumption |
fibers | parts of plants or animals that people use to make cloth |
processed | to change food products in some way |
pests | organisms that harm the plants and animals that people use for food or to make products |
fertilizers | chemicals that farmers use to help their crops grow |
irrigation | the way in which farmers bring extra water to grow their crops |
pollution | something that makes air, water, or soil harmful for living things |
succession | a gradual change of an existing ecosystem into another ecosystem |
reclamation | the repairing of some of the damage done to an ecosystem |
conservation | the careful management and responsible use of natural resources |
preservation | the protection of an area |
weathering | the process that breaks up rocks |
erosion | the process by which wind and moving water carry away bits of rock and other material |
humus | top soil containing rotting plant and animal materials |
fertile | soil that has the nutrients to grow many plants |
texture | the property of soil that can be observed by the sense of touch |
soil conservation | the saving of soil |
contour plowing | plowing around a hill to reduce erosion |
strip cropping | the practice of planting one or more crops between rows of other crops to control erosion |
terracing | a farming method used on steep hillside to control erosion |